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Old 11-23-2004, 11:01 AM   #1
jiawj
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Registered: Jul 2004
Location: Beijing, China
Distribution: Slackware,Redhat
Posts: 121

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how to connect null-modem-cable


hello!
I wanna login linux with serial console,
and I had bought DB9( 9pin serial port ) and DB25(25pin parallel port) connector.

in DB9 --- RJ45 null modem cable --- DB9 method, I had complete connetected and logon.

who can show me the map that DB25 with RJ45
example:
DB25 --- RJ45 null modem cable --- DB25
DB25 --- RJ45 null modem cable --- DB9

followed map is DB9 to RJ45, maybe useful to somebody.

DB9 to RJ-45 connector

Connector1 Connector2
DB-9-RJ-45 DB-9-RJ-45
1-----5 1------5
2-----6 2------4
3-----4 3------6
4-----7 4------7
5-----3 5------3
6-----2 6------2
7-----1 7------8
8-----8 8------1
9-----n/c 9-------n/c
 
Old 11-25-2004, 05:00 PM   #2
jiawj
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Registered: Jul 2004
Location: Beijing, China
Distribution: Slackware,Redhat
Posts: 121

Original Poster
Rep: Reputation: 15

I find the documents of Serial Console and how to link the connector of DB9 and DB25 by manual.
on the site:
www.nullmodem.com
 
  


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