Date: Sat, 21 Jun 1997 13:14:00 +0200 (CEST) From: Blaz Zupan <blaz@gold.amis.net> To: tomthai@future.net (Tom T. Thai) Cc: freebsd-isp@FreeBSD.ORG Subject: Re: ISDN Message-ID: <199706211114.NAA00333@gold.amis.net> In-Reply-To: <Pine.BSD.3.91.970621052832.24384A-100000@dream.future.net> from "Tom T. Thai" at "Jun 21, 97 05:35:47 am"
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> 1. If I had a BRI line and a TA attached to it, the TA can only handle > one B channel at a time right? If yes, then would I be wasting the 2nd B > channel if one of my users use only one B channel at a time? It depends on the TA. For example the Zyxel Omni TA128 has two serial ports, you connect each one to a serial port on your terminal server and use both channels at 64K (that's what I do, I have an Omni connected to a Cisco 2511, but am currently replacing this setup with a Livingston Portmaster 3). > 2. If I had the same setup as #1, and a user want to do 128K (both B > channels), do I have to setup anything special on the RAS? Or can I > setup to handle the dynamic link automatically via the TA? The Omni (and I guess other TA's as well) can handle this automagically so it looks to your terminal server just like a fast (128K) modem. > 3. What is a good TA if I want to do 128K on the server side to a smart > multiserial RAS? Zyel Omni TA128 (am I repeating myself?). But make sure to download firmware version 2.04 from ftp.zyxel.com, otherwise it will probably fail every day and you will have to turn it off :( -- Blaz Zupan, blaz@amis.net, http://www.amis.net/staff/blaz Medinet d.o.o., Linhartova 21, 2000 Maribor, Slovenia
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