- Original Message -
From: Andrew Michael
To:
Sent: Sunday, December 16, 2001 1:51 PM
Subject: Token Ring Setup Help [7:29351]
Hi everyone.
I'm unsure of which cabling I need to set up a token ring lab.
Currently,
I have four ISA Token Ring cards. These cards have an RJ-45 and D-9
connections available. Is there an advantage of using one over the other?
What do the pinouts look like for a token ring network?
The RJ-45 connector is for UTP (unshielded twisted pair, also known as IBM
Type 3) token ring wiring systems. RJ-45 Token Ring MAUs (Multistation
access units) are available for these, and you can use standard Cat5
(EIA/TIA 568A or 568B) patch cables.
The DB-9 connector is for STP (shielded twisted pair) or Type 1 (an IBM
nomenclature) token ring wiring systems. IBM 8228 MAUs are available for
these connections. The associated patch cable is an STP cable, DB-9 male to
an IBM Data Connector (it is a connector that looks like it could plug into
itself, also known as Boy George connectors).
There are also cables that are RJ-45 to IBM Data connector, and DB-9 to
RJ-45 (known as media converters)
The advantage of using the UTP wiring system is the ability to use any Cat5
wiring system to connect the token ring stations. The STP wiring system is
typically bulky and considered obsolete today. However, it was also
considered to be more dependable than the Category 3 cabling that was
available at the time the Type 1 system was introduced.
Here is a link to a page with the pinouts for either:
for RJ-45
http://www.cisco.com/univercd/cc/td/doc/product/access/acs_fix/accespro/accp
roug/apugcble.htm#31516 (watch the URL Wrap)
for DB-9
http://www.cisco.com/univercd/cc/td/doc/product/access/acs_fix/cis2500/2505/
2500him/77412.htm#xtocid1972510 (watch the url wrap)
Any help greatly appreciated! Thanks in advance.
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