3Com 3CR16708-91 Getting Started Guide - Page 69
Pin-outs, RJ-45 to RS-232 Adapter Cable, RJ-45 Pin, Signal, DB-9 Pin, Direction
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B PIN-OUTS RJ-45 to RS-232 Adapter Cable An RJ-45 to DB-9 adapter cable is provided with the Switch for connecting a management device to the RJ-45 console port on the rear panel. The pinout is shown below. Table 10 Pin assignments RJ-45 Pin 1 2 3 4 5 6 7 8 Signal RTS DTR TxD DCD Ground RxD DSR CTS DB-9 Pin 7 4 3 1 5 2 6 8 Direction ---
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B
P
IN
-
OUTS
RJ-45 to RS-232
Adapter Cable
An RJ-45 to DB-9 adapter cable is provided with the Switch for
connecting a management device to the RJ-45 console port on the rear
panel. The pinout is shown below.
Table 10
Pin assignments
RJ-45 Pin
Signal
DB-9 Pin
Direction
1
RTS
7
±
2
DTR
4
±
3
TxD
3
±
4
DCD
1
²
5
Ground
5
---
6
RxD
2
²
7
DSR
6
²
8
CTS
8
²