Microsoft KB Archive/108296: Difference between revisions
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<pre class="fixed_text"> 25-pin Connector to 9-pin Connector | <pre class="fixed_text"> 25-pin Connector to 9-pin Connector | ||
---------------------------------------------------- | ---------------------------------------------------- | ||
2 (transmit data) | 2 (transmit data) <-> 2 (receive data) | ||
3 (receive data) | 3 (receive data) <-> 3 (transmit data) | ||
4 (request to send) | 4 (request to send) <-> 8 (clear to send) | ||
5 (clear to send) | 5 (clear to send) <-> 7 (request to send) | ||
6,8 (data send ready, | 6,8 (data send ready, | ||
carrier detect) | carrier detect) <-> 4 (data terminal ready) | ||
7 (ground) | 7 (ground) <-> 5 (ground) | ||
20 (data terminal | 20 (data terminal | ||
ready) | ready) <-> 6,1 (data send ready, | ||
carrier detect) | carrier detect) | ||
</pre> | </pre> |
Revision as of 15:03, 20 July 2020
Article ID: 108296
Article Last Modified on 10/31/2006
APPLIES TO
- Microsoft Windows NT Advanced Server 3.1
- Microsoft Windows NT Workstation 3.1
- Microsoft Windows NT Advanced Server 3.1
- Microsoft Windows NT Server 4.0 Standard Edition
- Microsoft Windows NT Workstation 4.0 Developer Edition
This article was previously published under Q108296
SUMMARY
The Windows NT Remote Access Help file includes tables showing the correct wiring of a null modem cable for use with RAS. The two tables included show the correct wiring for a 9-pin null modem cable and a 25-pin null modem cable. The following table contains the proper null modem wiring that must be used when the cable connects a 9-pin serial port to a 25-pin serial port.
25-pin Connector to 9-pin Connector ---------------------------------------------------- 2 (transmit data) <-> 2 (receive data) 3 (receive data) <-> 3 (transmit data) 4 (request to send) <-> 8 (clear to send) 5 (clear to send) <-> 7 (request to send) 6,8 (data send ready, carrier detect) <-> 4 (data terminal ready) 7 (ground) <-> 5 (ground) 20 (data terminal ready) <-> 6,1 (data send ready, carrier detect)
Additional query words: prodnt nul
Keywords: kbnetwork KB108296