[1390] in linux-announce channel archive
ISDN-Product Howto
daemon@ATHENA.MIT.EDU (Lars Wirzenius)
Fri Dec 1 16:38:51 1995
Date: Thu, 30 Nov 1995 23:40:31 +0200
From: Lars Wirzenius <wirzeniu@cc.helsinki.fi>
To: linux-announce@vger.rutgers.edu
From: David Flood <davidf@ssc.com>
Subject: ISDN-Product Howto
In-Reply-To: <Pine.LNX.3.91.951127172359.10557C-100000@uncle.ssc.com>
Approved: linux-announce@news.ornl.gov (Lars Wirzenius)
Newsgroups: comp.os.linux.announce
Followup-to: comp.os.linux.networking
Organization: ?
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Before I clutter up Sunsite's Incomming with this, I'm releasing it to
the net only as a message. Version 0.2 and subsequent versions will be
u'led to Sunsite.
ISDN-Product Howto
Version: 0.1
Date: 12 November 1995
Writen by: David Flood davidf@ssc.com
Note: All copyrights and trademarks used in this document are the property
of the respective owners.
This document is intended as a referance to SOME of the products availible
to connect computers running Linux to a ISDN circut. All opinions are my
own unless attributed to someone else. Additional documentation, success
and / or failure stories, and suggested additions can be sent to me. The
order in which products are listed in this document has no meaning outside
of the fact that I went through my files and took each product as I came
to it.
Product: 3Com Impact External ISDN Modem
Model Number: 3c871, 3c872
Manufacturer: 3Com
Interface Type: RS-232-C Serial
Linux Driver Availible: N/A
Source(s) of Information: 3Com documentation, actual use of a 3c871
Specifications:
Internal BRI NT1
Configuration uses a superset of the AT command set
Support for Multilink PPP and V.120 protocols
Dynamic Bandwidth Allocation of channels
Internal 14.4 V.32bis analog fax modem (3c872 only)
Analog voice output port
Comments:
I have used the 3c871 model but not the 3c872. Once the modem is
connected to the computer, any communications program can be used to configure
the modem using an extended set of the ATSx= commands. These registers are
well documented in the manual. In addition, the modem comes with MSDOS and
MS Windows install programs that basicly give the user a graphical interface
and issue the AT commands behind the scenes. There are two drawbacks to this
product. (1) Since it is external, the type of UART in your serial port will
determine the top speed for the data transfer. (2) The product does not
support any form of Bonding.
Product: 3Com Impact internal ISDN Modem
Model Number: 3c861 (S/T interface)
3c862 (U interface)
Manufacturer: 3Com
Interface Type: Emulates network card (?)
Linux Driver Availible: NO
Source(s) of Information: 3Com web page
Specifications: Not availible
Comments:
I have one of the 3c862 (U interface) cards on order. Once I have
recived it, more information will be added.
Product: Courier I-Modem with ISDN/V.34
Model Number: U-Interfaces
00698-0 (External with analog device port)
00699-0 (External without analog device port)
00700-0 (Internal with analog device port)
00701-0 (Internal without analog device port)
S/T Interface
001102-0 (External)
001101-0 (Internal)
Manufacturer: USR
Interface Type: Unknown
Linux Driver Availible: Unknown
Source(s) of Information: USR Homepage
Specifications: Integrated NT-1 (U-Interface models only)
BRI line support
V.110 and V.120 standards
Comments: I've tried to contact USR to obtain a evaluation model and have had
no luck.
Product: Everyware 1000 Internal
Model Number: 1030 (S/T Interface)
1040 (U Interface)
1050 (S/T Interface with compression)
1060 (U Interface with compression)
Manufacturer: Combinet
Interface Type: Communications port for configuration
Network port for data
Linux Driver Availible: Yes
Source(s) of Information: Combinet documentation, driver documentation,
actual use of a 1060
Specifications: U Interface models have integrated NT-1
Passive PPP mode
Comments: This card, with the 3.01 firmware upgrade, could be a good choice
for an ISP but not a user unless both ends have Combinet products.
However, since the 1060 requires that the 'PPP init' signal come from the
other device, you can't hook two 1060's up and have them talk.
Product: DataFire Internal ISDN LAN Adapter
Model Number: N/A
Manufacturer: Digi International
Interface Type: Unknown
Linux Driver Availible: NO
Source(s) of Information: Digi documentation and phone calls to Digi Support
Specifications: U-Interface with integrated NT-1
Comments: This card is aimed at connecting a single computer to a MS or Novell
based system. The card has no security features. It relies on the called
computer to supply them. The support personnel that I talked to were very
hostile towards using this card under Linux.
Product: Pipeline external
Model Number: Pipeline 25 ISDN
Manufacturer: Ascend
Interface Type: Communications port for config
Ethernet port for data
Linux Driver Availible: N/A
Source(s) of Information: Ascend liturature
Specifications: S/T or U interface
10 Base-T or AUI network interface
DB-9 RS-232-C configuration port
IP, IPX, and network bridging
Additional protocols and security features at additional cost
Comments: Except for the fact that this is an external unit that requires two
separate interfaces, it should be usable.
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