Path: utzoo!mnetor!uunet!husc6!think!ames!pasteur!ucbvax!FINFUN.BITNET!MAKI%VTTEL1
From: MAKI%VTTEL1@FINFUN.BITNET
Newsgroups: comp.protocols.tcp-ip.ibmpc
Subject: Re: Serial card of PC/PS2
Message-ID: <8804081021.aa00869@Louie.UDEL.EDU>
Date: 8 Apr 88 11:08:00 GMT
Sender: daemon@ucbvax.BERKELEY.EDU
Organization: The Internet
Lines: 25

> Hi,
>
> Can somebody tell me where I can get a serial communication card
> with the following characteristics:
>
> 1. V.35 interface (alternatively RS449/422, or T1)
> 2. unbundled with S/W, i.e. I can buy the Hardware alone
> 3. programming interface open, i.e. I need to program it
> 4. HDLC mode (Bisync and Async would be nice too)
> 5. preferably can work all the way to T1 speed (1.544 Mbps)
> 6. Either for the PC and PS2


For PC/AT IBM has the "Realtime Interface Co-Processor".
It contains a 186, up to 1 Mbyte of memory, 1 ZSCC, 1 ZCIO.
On the card you can put 2 interfaces. Available are RS232C,
RS-422-A (in this case almost X21), V35, 20 mA.
Maximum line speed is 64Kbit/s.
You can put on it any software you like.

Santtu Maki
Technical Research Centre of Finland
Telecommunications laboratory

(VTTTELTY@FINFUN.BITNET)