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From: mccalpin@loligo.fsu.edu (John McCalpin)
Newsgroups: comp.dcom.lans,comp.periphs,comp.terminals
Subject: Re: Terminal Servers?
Keywords: terminals unix server
Message-ID: <217@loligo.fsu.edu>
Date: 10 Dec 88 13:11:13 GMT
References: <147@iquery.UUCP>
Reply-To: mccalpin@loligo.UUCP (John McCalpin)
Followup-To: comp.periphs
Organization: Supercomputer Computations Research Institute
Lines: 16

At FSU, we have had good luck with the Annex terminal servers from
Encore.  They have 16 serial ports (non-standard connectors, though),
and one parallel printer port.  Our box is set up for a thick-wire
ethernet transceiver cable.
We have had no hardware failures in the 2 years that we have had the
box.  It does re-boot itself (by grabbing its software from a local Sun)
about every two to four weeks -- probably due to a soft parity error
in the 1 MB local RAM.  The software is pretty good, except that the
parallel printer driver does not seem too reliable.
Although all the ports are rated at 19,200 baud, the throughput
on the higher-numbered ports starts to degrade if more than
about 6 users are active at 9600 baud....  This is not noticeable
interactively, but kermit file transfers slow down a lot....

John D. McCalpin
mccalpin@masig1.ocean.fsu.edu