€•\ÔŒsphinx.addnodes”Œdocument”“”)�”}”(Œ rawsource”Œ”Œchildren”]”(Œ translations”Œ LanguagesNode”“”)�”}”(hhh]”(hŒ pending_xref”“”)�”}”(hhh]”Œdocutils.nodes”ŒText”“”ŒChinese (Simplified)”…”�”}”Œparent”hsbaŒ attributes”}”(Œids”]”Œclasses”]”Œnames”]”Œdupnames”]”Œbackrefs”]”Œ refdomain”Œstd”Œreftype”Œdoc”Œ reftarget”Œ./translations/zh_CN/networking/arcnet-hardware”Œmodname”NŒ classname”NŒ refexplicit”ˆuŒtagname”hhh ubh)�”}”(hhh]”hŒChinese (Traditional)”…”�”}”hh2sbah}”(h]”h ]”h"]”h$]”h&]”Œ refdomain”h)Œreftype”h+Œ reftarget”Œ./translations/zh_TW/networking/arcnet-hardware”Œmodname”NŒ classname”NŒ refexplicit”ˆuh1hhh ubh)�”}”(hhh]”hŒItalian”…”�”}”hhFsbah}”(h]”h ]”h"]”h$]”h&]”Œ refdomain”h)Œreftype”h+Œ reftarget”Œ./translations/it_IT/networking/arcnet-hardware”Œmodname”NŒ classname”NŒ refexplicit”ˆuh1hhh ubh)�”}”(hhh]”hŒJapanese”…”�”}”hhZsbah}”(h]”h ]”h"]”h$]”h&]”Œ refdomain”h)Œreftype”h+Œ reftarget”Œ./translations/ja_JP/networking/arcnet-hardware”Œmodname”NŒ classname”NŒ refexplicit”ˆuh1hhh ubh)�”}”(hhh]”hŒKorean”…”�”}”hhnsbah}”(h]”h ]”h"]”h$]”h&]”Œ refdomain”h)Œreftype”h+Œ reftarget”Œ./translations/ko_KR/networking/arcnet-hardware”Œmodname”NŒ classname”NŒ refexplicit”ˆuh1hhh ubh)�”}”(hhh]”hŒPortuguese (Brazilian)”…”�”}”hh‚sbah}”(h]”h ]”h"]”h$]”h&]”Œ refdomain”h)Œreftype”h+Œ reftarget”Œ./translations/pt_BR/networking/arcnet-hardware”Œmodname”NŒ classname”NŒ refexplicit”ˆuh1hhh ubh)�”}”(hhh]”hŒSpanish”…”�”}”hh–sbah}”(h]”h ]”h"]”h$]”h&]”Œ refdomain”h)Œreftype”h+Œ reftarget”Œ./translations/sp_SP/networking/arcnet-hardware”Œmodname”NŒ classname”NŒ refexplicit”ˆuh1hhh ubeh}”(h]”h ]”h"]”h$]”h&]”Œcurrent_language”ŒEnglish”uh1h hhŒ _document”hŒsource”NŒline”NubhŒcomment”“”)�”}”(hŒ SPDX-License-Identifier: GPL-2.0”h]”hŒ SPDX-License-Identifier: GPL-2.0”…”�”}”hh·sbah}”(h]”h ]”h"]”h$]”h&]”Œ xml:space”Œpreserve”uh1hµhhh²hh³ŒH/var/lib/git/docbuild/linux/Documentation/networking/arcnet-hardware.rst”h´KubhŒsection”“”)�”}”(hhh]”(hŒtitle”“”)�”}”(hŒARCnet Hardware”h]”hŒARCnet Hardware”…”�”}”(hhÏh²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hÍhhÊh²hh³hÇh´KubhŒ field_list”“”)�”}”(hhh]”hŒfield”“”)�”}”(hhh]”(hŒ field_name”“”)�”}”(hŒAuthor”h]”hŒAuthor”…”�”}”(hhéh²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hçhhäh³hÇh´KubhŒ field_body”“”)�”}”(hŒ*Avery Pennarun ”h]”hŒ paragraph”“”)�”}”(hŒ)Avery Pennarun ”h]”(hŒAvery Pennarun <”…”�”}”(hhÿh²hh³Nh´NubhŒ reference”“”)�”}”(hŒapenwarr@worldvisions.ca”h]”hŒapenwarr@worldvisions.ca”…”�”}”(hj h²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”Œrefuri”Œmailto:apenwarr@worldvisions.ca”uh1jhhÿubhŒ>”…”�”}”(hhÿh²hh³Nh´Nubeh}”(h]”h ]”h"]”h$]”h&]”uh1hýh³hÇh´Khhùubah}”(h]”h ]”h"]”h$]”h&]”uh1h÷hhäubeh}”(h]”h ]”h"]”h$]”h&]”uh1hâh³hÇh´Khhßh²hubah}”(h]”h ]”h"]”h$]”h&]”uh1hÝhhÊh²hh³hÇh´KubhŒnote”“”)�”}”(hŒaThis file is a supplement to arcnet.rst. Please read that for general driver configuration help.”h]”hþ)�”}”(hŒaThis file is a supplement to arcnet.rst. Please read that for general driver configuration help.”h]”hŒaThis file is a supplement to arcnet.rst. Please read that for general driver configuration help.”…”�”}”(hj;h²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hýh³hÇh´K hj7ubah}”(h]”h ]”h"]”h$]”h&]”uh1j5hhÊh²hh³hÇh´Nubhþ)�”}”(hXBecause so many people (myself included) seem to have obtained ARCnet cards without manuals, this file contains a quick introduction to ARCnet hardware and some cabling tips. If you have any other information, do not hesitate to :ref:`send an email to netdev `.”h]”(hŒåBecause so many people (myself included) seem to have obtained ARCnet cards without manuals, this file contains a quick introduction to ARCnet hardware and some cabling tips. If you have any other information, do not hesitate to ”…”�”}”(hjOh²hh³Nh´Nubh)�”}”(hŒ.:ref:`send an email to netdev `”h]”hŒinline”“”)�”}”(hjYh]”hŒsend an email to netdev”…”�”}”(hj]h²hh³Nh´Nubah}”(h]”h ]”(Œxref”Œstd”Œstd-ref”eh"]”h$]”h&]”uh1j[hjWubah}”(h]”h ]”h"]”h$]”h&]”Œrefdoc”Œnetworking/arcnet-hardware”Œ refdomain”jhŒreftype”Œref”Œ refexplicit”ˆŒrefwarn”ˆŒ reftarget”Œ arcnet-netdev”uh1hh³hÇh´KhjOubhŒ.”…”�”}”(hjOh²hh³Nh´Nubeh}”(h]”h ]”h"]”h$]”h&]”uh1hýh³hÇh´KhhÊh²hubhÉ)�”}”(hhh]”(hÎ)�”}”(hŒIntroduction to ARCnet”h]”hŒIntroduction to ARCnet”…”�”}”(hj‰h²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hÍhj†h²hh³hÇh´Kubhþ)�”}”(hŒ‹ARCnet is a network type which works in a way similar to popular Ethernet networks but which is also different in some very important ways.”h]”hŒ‹ARCnet is a network type which works in a way similar to popular Ethernet networks but which is also different in some very important ways.”…”�”}”(hj—h²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hýh³hÇh´Khj†h²hubhþ)�”}”(hX9First of all, you can get ARCnet cards in at least two speeds: 2.5 Mbps (slower than Ethernet) and 100 Mbps (faster than normal Ethernet). In fact, there are others as well, but these are less common. The different hardware types, as far as I'm aware, are not compatible and so you cannot wire a 100 Mbps card to a 2.5 Mbps card, and so on. From what I hear, my driver does work with 100 Mbps cards, but I haven't been able to verify this myself, since I only have the 2.5 Mbps variety. It is probably not going to saturate your 100 Mbps card. Stop complaining. :)”h]”hX=First of all, you can get ARCnet cards in at least two speeds: 2.5 Mbps (slower than Ethernet) and 100 Mbps (faster than normal Ethernet). In fact, there are others as well, but these are less common. The different hardware types, as far as I’m aware, are not compatible and so you cannot wire a 100 Mbps card to a 2.5 Mbps card, and so on. From what I hear, my driver does work with 100 Mbps cards, but I haven’t been able to verify this myself, since I only have the 2.5 Mbps variety. It is probably not going to saturate your 100 Mbps card. Stop complaining. :)”…”�”}”(hj¥h²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hýh³hÇh´Khj†h²hubhþ)�”}”(hŒZYou also cannot connect an ARCnet card to any kind of Ethernet card and expect it to work.”h]”hŒZYou also cannot connect an ARCnet card to any kind of Ethernet card and expect it to work.”…”�”}”(hj³h²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hýh³hÇh´K#hj†h²hubhþ)�”}”(hXFThere are two "types" of ARCnet - STAR topology and BUS topology. This refers to how the cards are meant to be wired together. According to most available documentation, you can only connect STAR cards to STAR cards and BUS cards to BUS cards. That makes sense, right? Well, it's not quite true; see below under "Cabling."”h]”hXPThere are two “typesâ€� of ARCnet - STAR topology and BUS topology. This refers to how the cards are meant to be wired together. According to most available documentation, you can only connect STAR cards to STAR cards and BUS cards to BUS cards. That makes sense, right? Well, it’s not quite true; see below under “Cabling.â€�”…”�”}”(hjÁh²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hýh³hÇh´K&hj†h²hubhþ)�”}”(hX$Once you get past these little stumbling blocks, ARCnet is actually quite a well-designed standard. It uses something called "modified token passing" which makes it completely incompatible with so-called "Token Ring" cards, but which makes transfers much more reliable than Ethernet does. In fact, ARCnet will guarantee that a packet arrives safely at the destination, and even if it can't possibly be delivered properly (ie. because of a cable break, or because the destination computer does not exist) it will at least tell the sender about it.”h]”hX.Once you get past these little stumbling blocks, ARCnet is actually quite a well-designed standard. It uses something called “modified token passingâ€� which makes it completely incompatible with so-called “Token Ringâ€� cards, but which makes transfers much more reliable than Ethernet does. In fact, ARCnet will guarantee that a packet arrives safely at the destination, and even if it can’t possibly be delivered properly (ie. because of a cable break, or because the destination computer does not exist) it will at least tell the sender about it.”…”�”}”(hjÏh²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hýh³hÇh´K,hj†h²hubhþ)�”}”(hŒ²Because of the carefully defined action of the "token", it will always make a pass around the "ring" within a maximum length of time. This makes it useful for realtime networks.”h]”hŒºBecause of the carefully defined action of the “tokenâ€�, it will always make a pass around the “ringâ€� within a maximum length of time. This makes it useful for realtime networks.”…”�”}”(hjÝh²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hýh³hÇh´K5hj†h²hubhþ)�”}”(hX In addition, all known ARCnet cards have an (almost) identical programming interface. This means that with one ARCnet driver you can support any card, whereas with Ethernet each manufacturer uses what is sometimes a completely different programming interface, leading to a lot of different, sometimes very similar, Ethernet drivers. Of course, always using the same programming interface also means that when high-performance hardware facilities like PCI bus mastering DMA appear, it's hard to take advantage of them. Let's not go into that.”h]”hX$In addition, all known ARCnet cards have an (almost) identical programming interface. This means that with one ARCnet driver you can support any card, whereas with Ethernet each manufacturer uses what is sometimes a completely different programming interface, leading to a lot of different, sometimes very similar, Ethernet drivers. Of course, always using the same programming interface also means that when high-performance hardware facilities like PCI bus mastering DMA appear, it’s hard to take advantage of them. Let’s not go into that.”…”�”}”(hjëh²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hýh³hÇh´K9hj†h²hubhþ)�”}”(hXOne thing that makes ARCnet cards difficult to program for, however, is the limit on their packet sizes; standard ARCnet can only send packets that are up to 508 bytes in length. This is smaller than the Internet "bare minimum" of 576 bytes, let alone the Ethernet MTU of 1500. To compensate, an extra level of encapsulation is defined by RFC1201, which I call "packet splitting," that allows "virtual packets" to grow as large as 64K each, although they are generally kept down to the Ethernet-style 1500 bytes.”h]”hXOne thing that makes ARCnet cards difficult to program for, however, is the limit on their packet sizes; standard ARCnet can only send packets that are up to 508 bytes in length. This is smaller than the Internet “bare minimumâ€� of 576 bytes, let alone the Ethernet MTU of 1500. To compensate, an extra level of encapsulation is defined by RFC1201, which I call “packet splitting,â€� that allows “virtual packetsâ€� to grow as large as 64K each, although they are generally kept down to the Ethernet-style 1500 bytes.”…”�”}”(hjùh²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hýh³hÇh´KBhj†h²hubhþ)�”}”(hŒXFor more information on ARCnet networks, visit the "ARCNET Resource Center" WWW page at:”h]”hŒ\For more information on ARCnet networks, visit the “ARCNET Resource Centerâ€� WWW page at:”…”�”}”(hjh²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hýh³hÇh´KJhj†h²hubhŒ block_quote”“”)�”}”(hŒhttps://www.arcnet.cc ”h]”hþ)�”}”(hŒhttps://www.arcnet.cc”h]”j)�”}”(hjh]”hŒhttps://www.arcnet.cc”…”�”}”(hjh²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”Œrefuri”juh1jhjubah}”(h]”h ]”h"]”h$]”h&]”uh1hýh³hÇh´KMhjubah}”(h]”h ]”h"]”h$]”h&]”uh1jh³hÇh´KMhj†h²hubeh}”(h]”Œintroduction-to-arcnet”ah ]”h"]”Œintroduction to arcnet”ah$]”h&]”uh1hÈhhÊh²hh³hÇh´KubhÉ)�”}”(hhh]”(hÎ)�”}”(hŒCabling ARCnet Networks”h]”hŒCabling ARCnet Networks”…”�”}”(hjDh²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hÍhjAh²hh³hÇh´KQubhþ)�”}”(hŒThis section was rewritten by”h]”hŒThis section was rewritten by”…”�”}”(hjRh²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hýh³hÇh´KShjAh²hubj)�”}”(hŒ%Vojtech Pavlik ”h]”hþ)�”}”(hŒ$Vojtech Pavlik ”h]”(hŒVojtech Pavlik <”…”�”}”(hjdh²hh³Nh´Nubj)�”}”(hŒvojtech@suse.cz”h]”hŒvojtech@suse.cz”…”�”}”(hjlh²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”Œrefuri”Œmailto:vojtech@suse.cz”uh1jhjdubhŒ>”…”�”}”(hjdh²hh³Nh´Nubeh}”(h]”h ]”h"]”h$]”h&]”uh1hýh³hÇh´KUhj`ubah}”(h]”h ]”h"]”h$]”h&]”uh1jh³hÇh´KUhjAh²hubhþ)�”}”(hŒ1using information from several people, including:”h]”hŒ1using information from several people, including:”…”�”}”(hjŒh²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hýh³hÇh´KWhjAh²hubj)�”}”(hŒ´- Avery Pennraun - Stephen A. Wood - John Paul Morrison - Joachim Koenig ”h]”hŒ bullet_list”“”)�”}”(hhh]”(hŒ list_item”“”)�”}”(hŒ-Avery Pennraun ”h]”hþ)�”}”(hj§h]”(hŒAvery Pennraun <”…”�”}”(hj©h²hh³Nh´Nubj)�”}”(hŒapenwarr@worldvisions.ca”h]”hŒapenwarr@worldvisions.ca”…”�”}”(hj°h²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”Œrefuri”Œmailto:apenwarr@worldvisions.ca”uh1jhj©ubhŒ>”…”�”}”(hj©h²hh³Nh´Nubeh}”(h]”h ]”h"]”h$]”h&]”uh1hýh³hÇh´KYhj¥ubah}”(h]”h ]”h"]”h$]”h&]”uh1j£hj ubj¤)�”}”(hŒ)Stephen A. Wood ”h]”hþ)�”}”(hjÒh]”(hŒStephen A. Wood <”…”�”}”(hjÔh²hh³Nh´Nubj)�”}”(hŒsaw@hallc1.cebaf.gov”h]”hŒsaw@hallc1.cebaf.gov”…”�”}”(hjÛh²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”Œrefuri”Œmailto:saw@hallc1.cebaf.gov”uh1jhjÔubhŒ>”…”�”}”(hjÔh²hh³Nh´Nubeh}”(h]”h ]”h"]”h$]”h&]”uh1hýh³hÇh´KZhjÐubah}”(h]”h ]”h"]”h$]”h&]”uh1j£hj ubj¤)�”}”(hŒ0John Paul Morrison ”h]”hþ)�”}”(hjýh]”(hŒJohn Paul Morrison <”…”�”}”(hjÿh²hh³Nh´Nubj)�”}”(hŒjmorriso@bogomips.ee.ubc.ca”h]”hŒjmorriso@bogomips.ee.ubc.ca”…”�”}”(hjh²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”Œrefuri”Œ"mailto:jmorriso@bogomips.ee.ubc.ca”uh1jhjÿubhŒ>”…”�”}”(hjÿh²hh³Nh´Nubeh}”(h]”h ]”h"]”h$]”h&]”uh1hýh³hÇh´K[hjûubah}”(h]”h ]”h"]”h$]”h&]”uh1j£hj ubj¤)�”}”(hŒ#Joachim Koenig ”h]”hþ)�”}”(hŒ"Joachim Koenig ”h]”(hŒJoachim Koenig <”…”�”}”(hj*h²hh³Nh´Nubj)�”}”(hŒ jojo@repas.de”h]”hŒ jojo@repas.de”…”�”}”(hj2h²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”Œrefuri”Œmailto:jojo@repas.de”uh1jhj*ubhŒ>”…”�”}”(hj*h²hh³Nh´Nubeh}”(h]”h ]”h"]”h$]”h&]”uh1hýh³hÇh´K\hj&ubah}”(h]”h ]”h"]”h$]”h&]”uh1j£hj ubeh}”(h]”h ]”h"]”h$]”h&]”Œbullet”Œ-”uh1jžh³hÇh´KYhjšubah}”(h]”h ]”h"]”h$]”h&]”uh1jh³hÇh´KYhjAh²hubhþ)�”}”(hŒ4and Avery touched it up a bit, at Vojtech's request.”h]”hŒ6and Avery touched it up a bit, at Vojtech’s request.”…”�”}”(hj`h²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hýh³hÇh´K^hjAh²hubhþ)�”}”(hŒþARCnet (the classic 2.5 Mbps version) can be connected by two different types of cabling: coax and twisted pair. The other ARCnet-type networks (100 Mbps TCNS and 320 kbps - 32 Mbps ARCnet Plus) use different types of cabling (Type1, Fiber, C1, C4, C5).”h]”hŒþARCnet (the classic 2.5 Mbps version) can be connected by two different types of cabling: coax and twisted pair. The other ARCnet-type networks (100 Mbps TCNS and 320 kbps - 32 Mbps ARCnet Plus) use different types of cabling (Type1, Fiber, C1, C4, C5).”…”�”}”(hjnh²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hýh³hÇh´K`hjAh²hubhþ)�”}”(hŒ­For a coax network, you "should" use 93 Ohm RG-62 cable. But other cables also work fine, because ARCnet is a very stable network. I personally use 75 Ohm TV antenna cable.”h]”hŒ±For a coax network, you “shouldâ€� use 93 Ohm RG-62 cable. But other cables also work fine, because ARCnet is a very stable network. I personally use 75 Ohm TV antenna cable.”…”�”}”(hj|h²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hýh³hÇh´KehjAh²hubhþ)�”}”(hX_Cards for coax cabling are shipped in two different variants: for BUS and STAR network topologies. They are mostly the same. The only difference lies in the hybrid chip installed. BUS cards use high impedance output, while STAR use low impedance. Low impedance card (STAR) is electrically equal to a high impedance one with a terminator installed.”h]”hX_Cards for coax cabling are shipped in two different variants: for BUS and STAR network topologies. They are mostly the same. The only difference lies in the hybrid chip installed. BUS cards use high impedance output, while STAR use low impedance. Low impedance card (STAR) is electrically equal to a high impedance one with a terminator installed.”…”�”}”(hjŠh²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hýh³hÇh´KihjAh²hubhþ)�”}”(hŒÐUsually, the ARCnet networks are built up from STAR cards and hubs. There are two types of hubs - active and passive. Passive hubs are small boxes with four BNC connectors containing four 47 Ohm resistors::”h]”hŒÏUsually, the ARCnet networks are built up from STAR cards and hubs. There are two types of hubs - active and passive. Passive hubs are small boxes with four BNC connectors containing four 47 Ohm resistors:”…”�”}”(hj˜h²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hýh³hÇh´KohjAh²hubhŒ literal_block”“”)�”}”(hŒV | | wires R + junction -R-+-R- R 47 Ohm resistors R |”h]”hŒV | | wires R + junction -R-+-R- R 47 Ohm resistors R |”…”�”}”hj¨sbah}”(h]”h ]”h"]”h$]”h&]”hÅhÆuh1j¦h³hÇh´KshjAh²hubhþ)�”}”(hX÷The shielding is connected together. Active hubs are much more complicated; they are powered and contain electronics to amplify the signal and send it to other segments of the net. They usually have eight connectors. Active hubs come in two variants - dumb and smart. The dumb variant just amplifies, but the smart one decodes to digital and encodes back all packets coming through. This is much better if you have several hubs in the net, since many dumb active hubs may worsen the signal quality.”h]”hX÷The shielding is connected together. Active hubs are much more complicated; they are powered and contain electronics to amplify the signal and send it to other segments of the net. They usually have eight connectors. Active hubs come in two variants - dumb and smart. The dumb variant just amplifies, but the smart one decodes to digital and encodes back all packets coming through. This is much better if you have several hubs in the net, since many dumb active hubs may worsen the signal quality.”…”�”}”(hj¶h²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hýh³hÇh´KyhjAh²hubhþ)�”}”(hŒ7And now to the cabling. What you can connect together:”h]”hŒ7And now to the cabling. What you can connect together:”…”�”}”(hjÄh²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hýh³hÇh´K�hjAh²hubhŒenumerated_list”“”)�”}”(hhh]”(j¤)�”}”(hŒNA card to a card. This is the simplest way of creating a 2-computer network. ”h]”hþ)�”}”(hŒMA card to a card. This is the simplest way of creating a 2-computer network.”h]”hŒMA card to a card. This is the simplest way of creating a 2-computer network.”…”�”}”(hjÛh²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hýh³hÇh´Kƒhj×ubah}”(h]”h ]”h"]”h$]”h&]”uh1j£hjÔh²hh³hÇh´Nubj¤)�”}”(hŒæA card to a passive hub. Remember that all unused connectors on the hub must be properly terminated with 93 Ohm terminators (or something else if you don't have the right ones), although the network may work without terminators. ”h]”hþ)�”}”(hŒåA card to a passive hub. Remember that all unused connectors on the hub must be properly terminated with 93 Ohm terminators (or something else if you don't have the right ones), although the network may work without terminators.”h]”hŒçA card to a passive hub. Remember that all unused connectors on the hub must be properly terminated with 93 Ohm terminators (or something else if you don’t have the right ones), although the network may work without terminators.”…”�”}”(hjóh²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hýh³hÇh´K†hjïubah}”(h]”h ]”h"]”h$]”h&]”uh1j£hjÔh²hh³hÇh´Nubj¤)�”}”(hXA card to an active hub. Here there is no need to terminate the unused connectors except some kind of aesthetic feeling. But, there may not be more than eleven active hubs between any two computers. That of course doesn't limit the number of active hubs on the network. ”h]”hþ)�”}”(hXA card to an active hub. Here there is no need to terminate the unused connectors except some kind of aesthetic feeling. But, there may not be more than eleven active hubs between any two computers. That of course doesn't limit the number of active hubs on the network.”h]”hXA card to an active hub. Here there is no need to terminate the unused connectors except some kind of aesthetic feeling. But, there may not be more than eleven active hubs between any two computers. That of course doesn’t limit the number of active hubs on the network.”…”�”}”(hj h²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hýh³hÇh´K‹hjubah}”(h]”h ]”h"]”h$]”h&]”uh1j£hjÔh²hh³hÇh´Nubj¤)�”}”(hŒAn active hub to another. ”h]”hþ)�”}”(hŒAn active hub to another.”h]”hŒAn active hub to another.”…”�”}”(hj#h²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hýh³hÇh´K�hjubah}”(h]”h ]”h"]”h$]”h&]”uh1j£hjÔh²hh³hÇh´Nubj¤)�”}”(hŒAn active hub to passive hub. ”h]”hþ)�”}”(hŒAn active hub to passive hub.”h]”hŒAn active hub to passive hub.”…”�”}”(hj;h²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hýh³hÇh´K’hj7ubah}”(h]”h ]”h"]”h$]”h&]”uh1j£hjÔh²hh³hÇh´Nubeh}”(h]”h ]”h"]”h$]”h&]”Œenumtype”Œarabic”Œprefix”hŒsuffix”Œ.”uh1jÒhjAh²hh³hÇh´Kƒubhþ)�”}”(hŒ™Remember that you cannot connect two passive hubs together. The power loss implied by such a connection is too high for the network to operate reliably.”h]”hŒ™Remember that you cannot connect two passive hubs together. The power loss implied by such a connection is too high for the network to operate reliably.”…”�”}”(hjZh²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hýh³hÇh´K”hjAh²hubhþ)�”}”(hŒ(An example of a typical ARCnet network::”h]”hŒ'An example of a typical ARCnet network:”…”�”}”(hjhh²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hýh³hÇh´K—hjAh²hubj§)�”}”(hŒù R S - STAR type card S------H--------A-------S R - Terminator | | H - Hub | | A - Active hub | S----H----S S | | S”h]”hŒù R S - STAR type card S------H--------A-------S R - Terminator | | H - Hub | | A - Active hub | S----H----S S | | S”…”�”}”hjvsbah}”(h]”h ]”h"]”h$]”h&]”hÅhÆuh1j¦h³hÇh´K™hjAh²hubhþ)�”}”(hXeThe BUS topology is very similar to the one used by 10BASE2 Ethernet. The only difference is in cable and terminators: they should be 93 Ohm. 10BASE2 Ethernet uses 50 Ohm impedance. You use T connectors to put the computers on a single line of cable, the bus. You have to put terminators at both ends of the cable. A typical BUS ARCnet network looks like::”h]”hXdThe BUS topology is very similar to the one used by 10BASE2 Ethernet. The only difference is in cable and terminators: they should be 93 Ohm. 10BASE2 Ethernet uses 50 Ohm impedance. You use T connectors to put the computers on a single line of cable, the bus. You have to put terminators at both ends of the cable. A typical BUS ARCnet network looks like:”…”�”}”(hj„h²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hýh³hÇh´K¢hjAh²hubj§)�”}”(hŒ~ RT----T------T------T------T------TR B B B B B B B - BUS type card R - Terminator T - T connector”h]”hŒ~ RT----T------T------T------T------TR B B B B B B B - BUS type card R - Terminator T - T connector”…”�”}”hj’sbah}”(h]”h ]”h"]”h$]”h&]”hÅhÆuh1j¦h³hÇh´K¨hjAh²hubhþ)�”}”(hŒ But that is not all! The two types can be connected together. According to the official documentation, the only way of connecting them is using an active hub::”h]”hŒŸBut that is not all! The two types can be connected together. According to the official documentation, the only way of connecting them is using an active hub:”…”�”}”(hj h²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hýh³hÇh´K¯hjAh²hubj§)�”}”(hŒL A------T------T------TR | B B B S---H---S | S”h]”hŒL A------T------T------TR | B B B S---H---S | S”…”�”}”hj®sbah}”(h]”h ]”h"]”h$]”h&]”hÅhÆuh1j¦h³hÇh´K³hjAh²hubhþ)�”}”(hŒThe official docs also state that you can use STAR cards at the ends of a BUS network in place of a BUS card and a terminator::”h]”hŒ~The official docs also state that you can use STAR cards at the ends of a BUS network in place of a BUS card and a terminator:”…”�”}”(hj¼h²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hýh³hÇh´K¹hjAh²hubj§)�”}”(hŒ&S------T------T------S B B”h]”hŒ&S------T------T------S B B”…”�”}”hjÊsbah}”(h]”h ]”h"]”h$]”h&]”hÅhÆuh1j¦h³hÇh´K¼hjAh²hubhþ)�”}”(hX1But, according to my own experiments, you can simply hang a BUS type card anywhere in middle of a cable in a STAR topology network. And more - you can use the bus card in place of any star card if you use a terminator. Then you can build very complicated networks fulfilling all your needs! An example::”h]”hX0But, according to my own experiments, you can simply hang a BUS type card anywhere in middle of a cable in a STAR topology network. And more - you can use the bus card in place of any star card if you use a terminator. Then you can build very complicated networks fulfilling all your needs! An example:”…”�”}”(hjØh²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hýh³hÇh´K¿hjAh²hubj§)�”}”(hXÛ S | RT------T-------T------H------S B B B | | R S------A------T-------T-------A-------H------TR | B B | | B | S BT | | | | S----A-----S S------H---A----S | | | | S------T----H---S | S S B R S”h]”hXÛ S | RT------T-------T------H------S B B B | | R S------A------T-------T-------A-------H------TR | B B | | B | S BT | | | | S----A-----S S------H---A----S | | | | S------T----H---S | S S B R S”…”�”}”hjæsbah}”(h]”h ]”h"]”h$]”h&]”hÅhÆuh1j¦h³hÇh´KÅhjAh²hubhþ)�”}”(hXrA completely different cabling scheme is used with Twisted Pair cabling. Each of the TP cards has two RJ (phone-cord style) connectors. The cards are then daisy-chained together using a cable connecting every two neighboring cards. The ends are terminated with RJ 93 Ohm terminators which plug into the empty connectors of cards on the ends of the chain. An example::”h]”hXqA completely different cabling scheme is used with Twisted Pair cabling. Each of the TP cards has two RJ (phone-cord style) connectors. The cards are then daisy-chained together using a cable connecting every two neighboring cards. The ends are terminated with RJ 93 Ohm terminators which plug into the empty connectors of cards on the ends of the chain. An example:”…”�”}”(hjôh²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hýh³hÇh´KÒhjAh²hubj§)�”}”(hŒ­ ___________ ___________ _R_|_ _|_|_ _|_R_ | | | | | | |Card | |Card | |Card | |_____| |_____| |_____|”h]”hŒ­ ___________ ___________ _R_|_ _|_|_ _|_R_ | | | | | | |Card | |Card | |Card | |_____| |_____| |_____|”…”�”}”hjsbah}”(h]”h ]”h"]”h$]”h&]”hÅhÆuh1j¦h³hÇh´KØhjAh²hubhþ)�”}”(hX8There are also hubs for the TP topology. There is nothing difficult involved in using them; you just connect a TP chain to a hub on any end or even at both. This way you can create almost any network configuration. The maximum of 11 hubs between any two computers on the net applies here as well. An example::”h]”hX7There are also hubs for the TP topology. There is nothing difficult involved in using them; you just connect a TP chain to a hub on any end or even at both. This way you can create almost any network configuration. The maximum of 11 hubs between any two computers on the net applies here as well. An example:”…”�”}”(hjh²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hýh³hÇh´KßhjAh²hubj§)�”}”(hŒÝRP-------P--------P--------H-----P------P-----PR | RP-----H--------P--------H-----P------PR | | PR PR R - RJ Terminator P - TP Card H - TP Hub”h]”hŒÝRP-------P--------P--------H-----P------P-----PR | RP-----H--------P--------H-----P------PR | | PR PR R - RJ Terminator P - TP Card H - TP Hub”…”�”}”hjsbah}”(h]”h ]”h"]”h$]”h&]”hÅhÆuh1j¦h³hÇh´KåhjAh²hubhþ)�”}”(hŒ¥Like any network, ARCnet has a limited cable length. These are the maximum cable lengths between two active ends (an active end being an active hub or a STAR card).”h]”hŒ¥Like any network, ARCnet has a limited cable length. These are the maximum cable lengths between two active ends (an active end being an active hub or a STAR card).”…”�”}”(hj,h²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hýh³hÇh´KïhjAh²hubj)�”}”(hŒÙ========== ======= =========== RG-62 93 Ohm up to 650 m RG-59/U 75 Ohm up to 457 m RG-11/U 75 Ohm up to 533 m IBM Type 1 150 Ohm up to 200 m IBM Type 3 100 Ohm up to 100 m ========== ======= =========== ”h]”hŒtable”“”)�”}”(hhh]”hŒtgroup”“”)�”}”(hhh]”(hŒcolspec”“”)�”}”(hhh]”h}”(h]”h ]”h"]”h$]”h&]”Œcolwidth”K uh1jHhjEubjI)�”}”(hhh]”h}”(h]”h ]”h"]”h$]”h&]”Œcolwidth”Kuh1jHhjEubjI)�”}”(hhh]”h}”(h]”h ]”h"]”h$]”h&]”Œcolwidth”K uh1jHhjEubhŒtbody”“”)�”}”(hhh]”(hŒrow”“”)�”}”(hhh]”(hŒentry”“”)�”}”(hhh]”hþ)�”}”(hŒRG-62”h]”hŒRG-62”…”�”}”(hjwh²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hýh³hÇh´Kôhjtubah}”(h]”h ]”h"]”h$]”h&]”uh1jrhjoubjs)�”}”(hhh]”hþ)�”}”(hŒ93 Ohm”h]”hŒ93 Ohm”…”�”}”(hjŽh²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hýh³hÇh´Kôhj‹ubah}”(h]”h ]”h"]”h$]”h&]”uh1jrhjoubjs)�”}”(hhh]”hþ)�”}”(hŒ up to 650 m”h]”hŒ up to 650 m”…”�”}”(hj¥h²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hýh³hÇh´Kôhj¢ubah}”(h]”h ]”h"]”h$]”h&]”uh1jrhjoubeh}”(h]”h ]”h"]”h$]”h&]”uh1jmhjjubjn)�”}”(hhh]”(js)�”}”(hhh]”hþ)�”}”(hŒRG-59/U”h]”hŒRG-59/U”…”�”}”(hjÅh²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hýh³hÇh´KõhjÂubah}”(h]”h ]”h"]”h$]”h&]”uh1jrhj¿ubjs)�”}”(hhh]”hþ)�”}”(hŒ75 Ohm”h]”hŒ75 Ohm”…”�”}”(hjÜh²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hýh³hÇh´KõhjÙubah}”(h]”h ]”h"]”h$]”h&]”uh1jrhj¿ubjs)�”}”(hhh]”hþ)�”}”(hŒ up to 457 m”h]”hŒ up to 457 m”…”�”}”(hjóh²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hýh³hÇh´Kõhjðubah}”(h]”h ]”h"]”h$]”h&]”uh1jrhj¿ubeh}”(h]”h ]”h"]”h$]”h&]”uh1jmhjjubjn)�”}”(hhh]”(js)�”}”(hhh]”hþ)�”}”(hŒRG-11/U”h]”hŒRG-11/U”…”�”}”(hjh²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hýh³hÇh´Köhjubah}”(h]”h ]”h"]”h$]”h&]”uh1jrhj ubjs)�”}”(hhh]”hþ)�”}”(hŒ75 Ohm”h]”hŒ75 Ohm”…”�”}”(hj*h²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hýh³hÇh´Köhj'ubah}”(h]”h ]”h"]”h$]”h&]”uh1jrhj ubjs)�”}”(hhh]”hþ)�”}”(hŒ up to 533 m”h]”hŒ up to 533 m”…”�”}”(hjAh²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hýh³hÇh´Köhj>ubah}”(h]”h ]”h"]”h$]”h&]”uh1jrhj ubeh}”(h]”h ]”h"]”h$]”h&]”uh1jmhjjubjn)�”}”(hhh]”(js)�”}”(hhh]”hþ)�”}”(hŒ IBM Type 1”h]”hŒ IBM Type 1”…”�”}”(hjah²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hýh³hÇh´K÷hj^ubah}”(h]”h ]”h"]”h$]”h&]”uh1jrhj[ubjs)�”}”(hhh]”hþ)�”}”(hŒ150 Ohm”h]”hŒ150 Ohm”…”�”}”(hjxh²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hýh³hÇh´K÷hjuubah}”(h]”h ]”h"]”h$]”h&]”uh1jrhj[ubjs)�”}”(hhh]”hþ)�”}”(hŒ up to 200 m”h]”hŒ up to 200 m”…”�”}”(hj�h²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hýh³hÇh´K÷hjŒubah}”(h]”h ]”h"]”h$]”h&]”uh1jrhj[ubeh}”(h]”h ]”h"]”h$]”h&]”uh1jmhjjubjn)�”}”(hhh]”(js)�”}”(hhh]”hþ)�”}”(hŒ IBM Type 3”h]”hŒ IBM Type 3”…”�”}”(hj¯h²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hýh³hÇh´Køhj¬ubah}”(h]”h ]”h"]”h$]”h&]”uh1jrhj©ubjs)�”}”(hhh]”hþ)�”}”(hŒ100 Ohm”h]”hŒ100 Ohm”…”�”}”(hjÆh²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hýh³hÇh´KøhjÃubah}”(h]”h ]”h"]”h$]”h&]”uh1jrhj©ubjs)�”}”(hhh]”hþ)�”}”(hŒ up to 100 m”h]”hŒ up to 100 m”…”�”}”(hjÝh²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hýh³hÇh´KøhjÚubah}”(h]”h ]”h"]”h$]”h&]”uh1jrhj©ubeh}”(h]”h ]”h"]”h$]”h&]”uh1jmhjjubeh}”(h]”h ]”h"]”h$]”h&]”uh1jhhjEubeh}”(h]”h ]”h"]”h$]”h&]”Œcols”Kuh1jChj@ubah}”(h]”h ]”h"]”h$]”h&]”uh1j>hj:ubah}”(h]”h ]”h"]”h$]”h&]”uh1jh³hÇh´KóhjAh²hubhþ)�”}”(hX®The maximum length of all cables connected to a passive hub is limited to 65 meters for RG-62 cabling; less for others. You can see that using passive hubs in a large network is a bad idea. The maximum length of a single "BUS Trunk" is about 300 meters for RG-62. The maximum distance between the two most distant points of the net is limited to 3000 meters. The maximum length of a TP cable between two cards/hubs is 650 meters.”h]”hX²The maximum length of all cables connected to a passive hub is limited to 65 meters for RG-62 cabling; less for others. You can see that using passive hubs in a large network is a bad idea. The maximum length of a single “BUS Trunkâ€� is about 300 meters for RG-62. The maximum distance between the two most distant points of the net is limited to 3000 meters. The maximum length of a TP cable between two cards/hubs is 650 meters.”…”�”}”(hjh²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hýh³hÇh´KûhjAh²hubeh}”(h]”Œcabling-arcnet-networks”ah ]”h"]”Œcabling arcnet networks”ah$]”h&]”uh1hÈhhÊh²hh³hÇh´KQubhÉ)�”}”(hhh]”(hÎ)�”}”(hŒSetting the Jumpers”h]”hŒSetting the Jumpers”…”�”}”(hj)h²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hÍhj&h²hh³hÇh´Mubj)�”}”(hXü- Every ARCnet card has its own "unique" network address from 0 to 255. Unlike Ethernet, you can set this address yourself with a jumper or switch (or on some cards, with special software). Since it's only 8 bits, you can only have 254 ARCnet cards on a network. DON'T use 0 or 255, since these are reserved (although neat stuff will probably happen if you DO use them). By the way, if you haven't already guessed, don't set this the same as any other ARCnet device on your network! - There may be ETS1 and ETS2 settings. These may or may not make a difference on your card (many manuals call them "reserved"), but are used to change the delays used when powering up a computer on the network. This is only necessary when wiring VERY long range ARCnet networks, on the order of 4km or so; in any case, the only real requirement here is that all cards on the network with ETS1 and ETS2 jumpers have them in the same position. Chris Hindy sent in a chart with actual values for this: ======= ======= =============== ==================== ET1 ET2 Response Time Reconfiguration Time ======= ======= =============== ==================== open open 74.7us 840us open closed 283.4us 1680us closed open 561.8us 1680us closed closed 1118.6us 1680us ======= ======= =============== ==================== Make sure you set ETS1 and ETS2 to the SAME VALUE for all cards on your network. ”h]”jŸ)�”}”(hhh]”(j¤)�”}”(hXãEvery ARCnet card has its own "unique" network address from 0 to 255. Unlike Ethernet, you can set this address yourself with a jumper or switch (or on some cards, with special software). Since it's only 8 bits, you can only have 254 ARCnet cards on a network. DON'T use 0 or 255, since these are reserved (although neat stuff will probably happen if you DO use them). By the way, if you haven't already guessed, don't set this the same as any other ARCnet device on your network! ”h]”hþ)�”}”(hXâEvery ARCnet card has its own "unique" network address from 0 to 255. Unlike Ethernet, you can set this address yourself with a jumper or switch (or on some cards, with special software). Since it's only 8 bits, you can only have 254 ARCnet cards on a network. DON'T use 0 or 255, since these are reserved (although neat stuff will probably happen if you DO use them). By the way, if you haven't already guessed, don't set this the same as any other ARCnet device on your network!”h]”hXîEvery ARCnet card has its own “uniqueâ€� network address from 0 to 255. Unlike Ethernet, you can set this address yourself with a jumper or switch (or on some cards, with special software). Since it’s only 8 bits, you can only have 254 ARCnet cards on a network. DON’T use 0 or 255, since these are reserved (although neat stuff will probably happen if you DO use them). By the way, if you haven’t already guessed, don’t set this the same as any other ARCnet device on your network!”…”�”}”(hjBh²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hýh³hÇh´Mhj>ubah}”(h]”h ]”h"]”h$]”h&]”uh1j£hj;ubj¤)�”}”(hXæThere may be ETS1 and ETS2 settings. These may or may not make a difference on your card (many manuals call them "reserved"), but are used to change the delays used when powering up a computer on the network. This is only necessary when wiring VERY long range ARCnet networks, on the order of 4km or so; in any case, the only real requirement here is that all cards on the network with ETS1 and ETS2 jumpers have them in the same position. Chris Hindy sent in a chart with actual values for this: ======= ======= =============== ==================== ET1 ET2 Response Time Reconfiguration Time ======= ======= =============== ==================== open open 74.7us 840us open closed 283.4us 1680us closed open 561.8us 1680us closed closed 1118.6us 1680us ======= ======= =============== ==================== Make sure you set ETS1 and ETS2 to the SAME VALUE for all cards on your network. ”h]”(hþ)�”}”(hXThere may be ETS1 and ETS2 settings. These may or may not make a difference on your card (many manuals call them "reserved"), but are used to change the delays used when powering up a computer on the network. This is only necessary when wiring VERY long range ARCnet networks, on the order of 4km or so; in any case, the only real requirement here is that all cards on the network with ETS1 and ETS2 jumpers have them in the same position. Chris Hindy sent in a chart with actual values for this:”h]”(hXÌThere may be ETS1 and ETS2 settings. These may or may not make a difference on your card (many manuals call them “reservedâ€�), but are used to change the delays used when powering up a computer on the network. This is only necessary when wiring VERY long range ARCnet networks, on the order of 4km or so; in any case, the only real requirement here is that all cards on the network with ETS1 and ETS2 jumpers have them in the same position. Chris Hindy <”…”�”}”(hjZh²hh³Nh´Nubj)�”}”(hŒ chrish@io.org”h]”hŒ chrish@io.org”…”�”}”(hjbh²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”Œrefuri”Œmailto:chrish@io.org”uh1jhjZubhŒ.> sent in a chart with actual values for this:”…”�”}”(hjZh²hh³Nh´Nubeh}”(h]”h ]”h"]”h$]”h&]”uh1hýh³hÇh´MhjVubj)�”}”(hXo======= ======= =============== ==================== ET1 ET2 Response Time Reconfiguration Time ======= ======= =============== ==================== open open 74.7us 840us open closed 283.4us 1680us closed open 561.8us 1680us closed closed 1118.6us 1680us ======= ======= =============== ==================== ”h]”j?)�”}”(hhh]”jD)�”}”(hhh]”(jI)�”}”(hhh]”h}”(h]”h ]”h"]”h$]”h&]”Œcolwidth”Kuh1jHhjƒubjI)�”}”(hhh]”h}”(h]”h ]”h"]”h$]”h&]”Œcolwidth”Kuh1jHhjƒubjI)�”}”(hhh]”h}”(h]”h ]”h"]”h$]”h&]”Œcolwidth”Kuh1jHhjƒubjI)�”}”(hhh]”h}”(h]”h ]”h"]”h$]”h&]”Œcolwidth”Kuh1jHhjƒubhŒthead”“”)�”}”(hhh]”jn)�”}”(hhh]”(js)�”}”(hhh]”hþ)�”}”(hŒET1”h]”hŒET1”…”�”}”(hj¹h²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hýh³hÇh´Mhj¶ubah}”(h]”h ]”h"]”h$]”h&]”uh1jrhj³ubjs)�”}”(hhh]”hþ)�”}”(hŒET2”h]”hŒET2”…”�”}”(hjÐh²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hýh³hÇh´MhjÍubah}”(h]”h ]”h"]”h$]”h&]”uh1jrhj³ubjs)�”}”(hhh]”hþ)�”}”(hŒ Response Time”h]”hŒ Response Time”…”�”}”(hjçh²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hýh³hÇh´Mhjäubah}”(h]”h ]”h"]”h$]”h&]”uh1jrhj³ubjs)�”}”(hhh]”hþ)�”}”(hŒReconfiguration Time”h]”hŒReconfiguration Time”…”�”}”(hjþh²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hýh³hÇh´Mhjûubah}”(h]”h ]”h"]”h$]”h&]”uh1jrhj³ubeh}”(h]”h ]”h"]”h$]”h&]”uh1jmhj°ubah}”(h]”h ]”h"]”h$]”h&]”uh1j®hjƒubji)�”}”(hhh]”(jn)�”}”(hhh]”(js)�”}”(hhh]”hþ)�”}”(hŒopen”h]”hŒopen”…”�”}”(hj'h²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hýh³hÇh´Mhj$ubah}”(h]”h ]”h"]”h$]”h&]”uh1jrhj!ubjs)�”}”(hhh]”hþ)�”}”(hŒopen”h]”hŒopen”…”�”}”(hj>h²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hýh³hÇh´Mhj;ubah}”(h]”h ]”h"]”h$]”h&]”uh1jrhj!ubjs)�”}”(hhh]”hþ)�”}”(hŒ74.7us”h]”hŒ74.7us”…”�”}”(hjUh²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hýh³hÇh´MhjRubah}”(h]”h ]”h"]”h$]”h&]”uh1jrhj!ubjs)�”}”(hhh]”hþ)�”}”(hŒ840us”h]”hŒ840us”…”�”}”(hjlh²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hýh³hÇh´Mhjiubah}”(h]”h ]”h"]”h$]”h&]”uh1jrhj!ubeh}”(h]”h ]”h"]”h$]”h&]”uh1jmhjubjn)�”}”(hhh]”(js)�”}”(hhh]”hþ)�”}”(hŒopen”h]”hŒopen”…”�”}”(hjŒh²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hýh³hÇh´Mhj‰ubah}”(h]”h ]”h"]”h$]”h&]”uh1jrhj†ubjs)�”}”(hhh]”hþ)�”}”(hŒclosed”h]”hŒclosed”…”�”}”(hj£h²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hýh³hÇh´Mhj ubah}”(h]”h ]”h"]”h$]”h&]”uh1jrhj†ubjs)�”}”(hhh]”hþ)�”}”(hŒ283.4us”h]”hŒ283.4us”…”�”}”(hjºh²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hýh³hÇh´Mhj·ubah}”(h]”h ]”h"]”h$]”h&]”uh1jrhj†ubjs)�”}”(hhh]”hþ)�”}”(hŒ1680us”h]”hŒ1680us”…”�”}”(hjÑh²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hýh³hÇh´MhjÎubah}”(h]”h ]”h"]”h$]”h&]”uh1jrhj†ubeh}”(h]”h ]”h"]”h$]”h&]”uh1jmhjubjn)�”}”(hhh]”(js)�”}”(hhh]”hþ)�”}”(hŒclosed”h]”hŒclosed”…”�”}”(hjñh²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hýh³hÇh´Mhjîubah}”(h]”h ]”h"]”h$]”h&]”uh1jrhjëubjs)�”}”(hhh]”hþ)�”}”(hŒopen”h]”hŒopen”…”�”}”(hj h²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hýh³hÇh´Mhj ubah}”(h]”h ]”h"]”h$]”h&]”uh1jrhjëubjs)�”}”(hhh]”hþ)�”}”(hŒ561.8us”h]”hŒ561.8us”…”�”}”(hj h²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hýh³hÇh´Mhj ubah}”(h]”h ]”h"]”h$]”h&]”uh1jrhjëubjs)�”}”(hhh]”hþ)�”}”(hŒ1680us”h]”hŒ1680us”…”�”}”(hj6 h²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hýh³hÇh´Mhj3 ubah}”(h]”h ]”h"]”h$]”h&]”uh1jrhjëubeh}”(h]”h ]”h"]”h$]”h&]”uh1jmhjubjn)�”}”(hhh]”(js)�”}”(hhh]”hþ)�”}”(hŒclosed”h]”hŒclosed”…”�”}”(hjV h²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hýh³hÇh´MhjS ubah}”(h]”h ]”h"]”h$]”h&]”uh1jrhjP ubjs)�”}”(hhh]”hþ)�”}”(hŒclosed”h]”hŒclosed”…”�”}”(hjm h²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hýh³hÇh´Mhjj ubah}”(h]”h ]”h"]”h$]”h&]”uh1jrhjP ubjs)�”}”(hhh]”hþ)�”}”(hŒ1118.6us”h]”hŒ1118.6us”…”�”}”(hj„ h²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hýh³hÇh´Mhj� ubah}”(h]”h ]”h"]”h$]”h&]”uh1jrhjP ubjs)�”}”(hhh]”hþ)�”}”(hŒ1680us”h]”hŒ1680us”…”�”}”(hj› h²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hýh³hÇh´Mhj˜ ubah}”(h]”h ]”h"]”h$]”h&]”uh1jrhjP ubeh}”(h]”h ]”h"]”h$]”h&]”uh1jmhjubeh}”(h]”h ]”h"]”h$]”h&]”uh1jhhjƒubeh}”(h]”h ]”h"]”h$]”h&]”Œcols”Kuh1jChj€ubah}”(h]”h ]”h"]”h$]”h&]”uh1j>hj|ubah}”(h]”h ]”h"]”h$]”h&]”uh1jh³hÇh´MhjVubhþ)�”}”(hŒPMake sure you set ETS1 and ETS2 to the SAME VALUE for all cards on your network.”h]”hŒPMake sure you set ETS1 and ETS2 to the SAME VALUE for all cards on your network.”…”�”}”(hjÎ h²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hýh³hÇh´M hjVubeh}”(h]”h ]”h"]”h$]”h&]”uh1j£hj;ubeh}”(h]”h ]”h"]”h$]”h&]”jXjYuh1jžh³hÇh´Mhj7ubah}”(h]”h ]”h"]”h$]”h&]”uh1jh³hÇh´Mhj&h²hubeh}”(h]”Œsetting-the-jumpers”ah ]”h"]”Œsetting the jumpers”ah$]”h&]”uh1hÈhhÊh²hh³hÇh´MubhÉ)�”}”(hhh]”(hÎ)�”}”(hŒLED Indicators”h]”hŒLED Indicators”…”�”}”(hjù h²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hÍhjö h²hh³hÇh´M$ubhþ)�”}”(hŒFMany cards have red and green LEDs, which have the following meanings:”h]”hŒFMany cards have red and green LEDs, which have the following meanings:”…”�”}”(hj h²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hýh³hÇh´M&hjö h²hubj)�”}”(hXž=============== =============== ===================================== Green Red Status =============== =============== ===================================== OFF OFF Power off OFF Short flashes Cabling problems (broken cable or not terminated) OFF (short) ON Card init ON ON Normal state - everything OK, nothing happens ON Long flashes Data transfer ON OFF Never happens (maybe when wrong ID) =============== =============== =====================================”h]”j?)�”}”(hhh]”jD)�”}”(hhh]”(jI)�”}”(hhh]”h}”(h]”h ]”h"]”h$]”h&]”Œcolwidth”Kuh1jHhj ubjI)�”}”(hhh]”h}”(h]”h ]”h"]”h$]”h&]”Œcolwidth”Kuh1jHhj ubjI)�”}”(hhh]”h}”(h]”h ]”h"]”h$]”h&]”Œcolwidth”K%uh1jHhj ubj¯)�”}”(hhh]”jn)�”}”(hhh]”(js)�”}”(hhh]”hþ)�”}”(hŒGreen”h]”hŒGreen”…”�”}”(hjF h²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hýh³hÇh´M)hjC ubah}”(h]”h ]”h"]”h$]”h&]”uh1jrhj@ ubjs)�”}”(hhh]”hþ)�”}”(hŒRed”h]”hŒRed”…”�”}”(hj] h²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hýh³hÇh´M)hjZ ubah}”(h]”h ]”h"]”h$]”h&]”uh1jrhj@ ubjs)�”}”(hhh]”hþ)�”}”(hŒStatus”h]”hŒStatus”…”�”}”(hjt h²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hýh³hÇh´M)hjq ubah}”(h]”h ]”h"]”h$]”h&]”uh1jrhj@ ubeh}”(h]”h ]”h"]”h$]”h&]”uh1jmhj= ubah}”(h]”h ]”h"]”h$]”h&]”uh1j®hj ubji)�”}”(hhh]”(jn)�”}”(hhh]”(js)�”}”(hhh]”hþ)�”}”(hŒOFF”h]”hŒOFF”…”�”}”(hj� h²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hýh³hÇh´M+hjš ubah}”(h]”h ]”h"]”h$]”h&]”uh1jrhj— ubjs)�”}”(hhh]”hþ)�”}”(hŒOFF”h]”hŒOFF”…”�”}”(hj´ h²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hýh³hÇh´M+hj± ubah}”(h]”h ]”h"]”h$]”h&]”uh1jrhj— ubjs)�”}”(hhh]”hþ)�”}”(hŒ Power off”h]”hŒ Power off”…”�”}”(hjË h²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hýh³hÇh´M+hjÈ ubah}”(h]”h ]”h"]”h$]”h&]”uh1jrhj— ubeh}”(h]”h ]”h"]”h$]”h&]”uh1jmhj” ubjn)�”}”(hhh]”(js)�”}”(hhh]”hþ)�”}”(hŒOFF”h]”hŒOFF”…”�”}”(hjë h²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hýh³hÇh´M,hjè ubah}”(h]”h ]”h"]”h$]”h&]”uh1jrhjå ubjs)�”}”(hhh]”hþ)�”}”(hŒ Short flashes”h]”hŒ Short flashes”…”�”}”(hj h²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hýh³hÇh´M,hjÿ ubah}”(h]”h ]”h"]”h$]”h&]”uh1jrhjå ubjs)�”}”(hhh]”hþ)�”}”(hŒ1Cabling problems (broken cable or not terminated)”h]”hŒ1Cabling problems (broken cable or not terminated)”…”�”}”(hj h²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hýh³hÇh´M,hj ubah}”(h]”h ]”h"]”h$]”h&]”uh1jrhjå ubeh}”(h]”h ]”h"]”h$]”h&]”uh1jmhj” ubjn)�”}”(hhh]”(js)�”}”(hhh]”hþ)�”}”(hŒ OFF (short)”h]”hŒ OFF (short)”…”�”}”(hj9 h²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hýh³hÇh´M.hj6 ubah}”(h]”h ]”h"]”h$]”h&]”uh1jrhj3 ubjs)�”}”(hhh]”hþ)�”}”(hŒON”h]”hŒON”…”�”}”(hjP h²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hýh³hÇh´M.hjM ubah}”(h]”h ]”h"]”h$]”h&]”uh1jrhj3 ubjs)�”}”(hhh]”hþ)�”}”(hŒ Card init”h]”hŒ Card init”…”�”}”(hjg h²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hýh³hÇh´M.hjd ubah}”(h]”h ]”h"]”h$]”h&]”uh1jrhj3 ubeh}”(h]”h ]”h"]”h$]”h&]”uh1jmhj” ubjn)�”}”(hhh]”(js)�”}”(hhh]”hþ)�”}”(hŒON”h]”hŒON”…”�”}”(hj‡ h²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hýh³hÇh´M/hj„ ubah}”(h]”h ]”h"]”h$]”h&]”uh1jrhj� ubjs)�”}”(hhh]”hþ)�”}”(hŒON”h]”hŒON”…”�”}”(hjž h²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hýh³hÇh´M/hj› ubah}”(h]”h ]”h"]”h$]”h&]”uh1jrhj� ubjs)�”}”(hhh]”hþ)�”}”(hŒ-Normal state - everything OK, nothing happens”h]”hŒ-Normal state - everything OK, nothing happens”…”�”}”(hjµ h²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hýh³hÇh´M/hj² ubah}”(h]”h ]”h"]”h$]”h&]”uh1jrhj� ubeh}”(h]”h ]”h"]”h$]”h&]”uh1jmhj” ubjn)�”}”(hhh]”(js)�”}”(hhh]”hþ)�”}”(hŒON”h]”hŒON”…”�”}”(hjÕ h²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hýh³hÇh´M1hjÒ ubah}”(h]”h ]”h"]”h$]”h&]”uh1jrhjÏ ubjs)�”}”(hhh]”hþ)�”}”(hŒ Long flashes”h]”hŒ Long flashes”…”�”}”(hjì h²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hýh³hÇh´M1hjé ubah}”(h]”h ]”h"]”h$]”h&]”uh1jrhjÏ ubjs)�”}”(hhh]”hþ)�”}”(hŒ Data transfer”h]”hŒ Data transfer”…”�”}”(hj h²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hýh³hÇh´M1hj ubah}”(h]”h ]”h"]”h$]”h&]”uh1jrhjÏ ubeh}”(h]”h ]”h"]”h$]”h&]”uh1jmhj” ubjn)�”}”(hhh]”(js)�”}”(hhh]”hþ)�”}”(hŒON”h]”hŒON”…”�”}”(hj# h²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hýh³hÇh´M2hj ubah}”(h]”h ]”h"]”h$]”h&]”uh1jrhj ubjs)�”}”(hhh]”hþ)�”}”(hŒOFF”h]”hŒOFF”…”�”}”(hj: h²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hýh³hÇh´M2hj7 ubah}”(h]”h ]”h"]”h$]”h&]”uh1jrhj ubjs)�”}”(hhh]”hþ)�”}”(hŒ#Never happens (maybe when wrong ID)”h]”hŒ#Never happens (maybe when wrong ID)”…”�”}”(hjQ h²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hýh³hÇh´M2hjN ubah}”(h]”h ]”h"]”h$]”h&]”uh1jrhj ubeh}”(h]”h ]”h"]”h$]”h&]”uh1jmhj” ubeh}”(h]”h ]”h"]”h$]”h&]”uh1jhhj ubeh}”(h]”h ]”h"]”h$]”h&]”Œcols”Kuh1jChj ubah}”(h]”h ]”h"]”h$]”h&]”uh1j>hj ubah}”(h]”h ]”h"]”h$]”h&]”uh1jh³hÇh´M(hjö h²hubeh}”(h]”Œled-indicators”ah ]”h"]”Œled indicators”ah$]”h&]”uh1hÈhhÊh²hh³hÇh´M$ubeh}”(h]”Œarcnet-hardware”ah ]”h"]”Œarcnet hardware”ah$]”h&]”uh1hÈhhh²hh³hÇh´Kubeh}”(h]”h ]”h"]”h$]”h&]”Œsource”hÇuh1hŒcurrent_source”NŒ current_line”NŒsettings”Œdocutils.frontend”ŒValues”“”)�”}”(hÍNŒ generator”NŒ datestamp”NŒ source_link”NŒ source_url”NŒ toc_backlinks”jrŒfootnote_backlinks”KŒ sectnum_xform”KŒstrip_comments”NŒstrip_elements_with_classes”NŒ strip_classes”NŒ report_level”KŒ halt_level”KŒexit_status_level”KŒdebug”NŒwarning_stream”NŒ traceback”ˆŒinput_encoding”Œ utf-8-sig”Œinput_encoding_error_handler”Œstrict”Œoutput_encoding”Œutf-8”Œoutput_encoding_error_handler”j¶ Œerror_encoding”Œutf-8”Œerror_encoding_error_handler”Œbackslashreplace”Œ language_code”Œen”Œrecord_dependencies”NŒconfig”NŒ id_prefix”hŒauto_id_prefix”Œid”Œ dump_settings”NŒdump_internals”NŒdump_transforms”NŒdump_pseudo_xml”NŒexpose_internals”NŒstrict_visitor”NŒ_disable_config”NŒ_source”hÇŒ _destination”NŒ _config_files”]”Œ7/var/lib/git/docbuild/linux/Documentation/docutils.conf”aŒfile_insertion_enabled”ˆŒ raw_enabled”KŒline_length_limit”M'Œpep_references”NŒ pep_base_url”Œhttps://peps.python.org/”Œpep_file_url_template”Œpep-%04d”Œrfc_references”NŒ rfc_base_url”Œ&https://datatracker.ietf.org/doc/html/”Œ tab_width”KŒtrim_footnote_reference_space”‰Œsyntax_highlight”Œlong”Œ smart_quotes”ˆŒsmartquotes_locales”]”Œcharacter_level_inline_markup”‰Œdoctitle_xform”‰Œ docinfo_xform”KŒsectsubtitle_xform”‰Œ image_loading”Œlink”Œembed_stylesheet”‰Œcloak_email_addresses”ˆŒsection_self_link”‰Œenv”NubŒreporter”NŒindirect_targets”]”Œsubstitution_defs”}”Œsubstitution_names”}”Œrefnames”}”Œrefids”}”Œnameids”}”(j‘ jŽ j>j;j#j jó jð j‰ j† uŒ nametypes”}”(j‘ ‰j>‰j#‰jó ‰j‰ ‰uh}”(jŽ hÊj;j†j jAjð j&j† jö uŒ footnote_refs”}”Œ citation_refs”}”Œ autofootnotes”]”Œautofootnote_refs”]”Œsymbol_footnotes”]”Œsymbol_footnote_refs”]”Œ footnotes”]”Œ citations”]”Œautofootnote_start”KŒsymbol_footnote_start”KŒ id_counter”Œ collections”ŒCounter”“”}”…”R”Œparse_messages”]”Œtransform_messages”]”Œ transformer”NŒ include_log”]”Œ decoration”Nh²hub.