2002-02-16 21:38:40 +00:00
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<TITLE>ISDN nodelist flags (rev.002).</TITLE>
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<PRE>
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| Document: fsc-0091
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| Version: 001
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| Date: 01 Jun 1996
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| Arjen Lentz, 2:283/512
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ISDN nodelist flags (rev.002) Arjen Lentz (agl@bitbike.com)
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addendum to FTS-0005 FidoNet 2:283/512
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superceding FSC-0075 October 30th, 1995
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Input from Michael Buenter, Jan Ceuleers, Chris Lueders, and others. Thanks!
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The proposed new information text in nodelist trailer is as follows:
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Nodelist Specification of minimal support required for this flag;
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flag any additional support to be arranged via agreement between users
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======== =================================================================
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V110L ITU-T V.110 19k2 async ('low').
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V110H ITU-T V.110 38k4 async ('high').
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V120L ITU-T V.120 56k async, layer 2 framesize 259, window 7, modulo 8.
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V120H ITU-T V.120 64k async, layer 2 framesize 259, window 7, modulo 8.
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X75 ITU-T X.75 SLP (single link procedure) with 64kbit/s B channel;
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layer 2 max.framesize 2048, window 2, non-ext.mode (modulo 8);
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layer 3 transparent (no packet layer).
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ISDN Other configurations. Use *only* if none of the above fits.
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===========================================================================
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NOTE: No flag implies another. Each capability MUST be specifically listed.
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If no modem connects are support, the nodelist speed field should be 300.
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Conversion from old to new ISDN capability flags:
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- Nodes in the USA currently use the 'ISDN' flag.
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Most will be able to change to V120H (64k lines).
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Also many to V120L,V120H (64k lines) with autodetecting equipment.
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Some to only V120L (still with 56k lines).
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- Nodes in Europe currently use the ISDNA, ISDNB and ISDNC flags.
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A simple translation will do the trick here.
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ISDNA -> V110L
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ISDNB -> V110H
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ISDNC -> X75
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</PRE>
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