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Cables and Connectors
RS-232 Connector and Cable Pin-Outs
RS-232 Connector and Cable Pin-Outs
The Management Module's RS-232 port connector is wired as depicted in the
following table.
Use the RS-232 port to connect a PC to be used as the console. To make this
connection, you must use a null modem cable or you can use the minimum
cable pin-out described below.
This appendix lists cables that have been tested and verified for use with the
HP Hub-16M. It also includes minimum pin-out information so, if you wish to
use an unlisted cable, you can verify that the cables used in your installation
are correctly wired. Note that each pin-out does not necessarily match the
pin-out for the corresponding HP cable, but cables manufactured to follow
the minimum pin-out will function correctly.
N o t e
Incorrectly wired cabling is the most common cause of problems for LAN
communications. HP recommends that you work with a qualified LAN cable
installer for assistance with your cabling requirements.
A-4
PIN
US
CCITT
1
DCD
109
2
Rx
104
3
Tx
103
4
DTR
108
5
GND
102
6
DSR
107
7
RTS
105
8
CTS
106
9
RI
125
DIN
M5
D2
D1
S1
-
M1
S2
M2
M3
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