Console port pin assignments, Db-9 port pin assignments – SMC Networks 100 User Manual
Page 66
C
ABLES
B-6
Console Port Pin Assignments
The DB-9 serial port on the switch’s rear panel is used to connect
to the switch for out-of-band console configuration. The on-board
menu-driven configuration program can be accessed from a
terminal, a PC running a terminal emulation program, or from a
remote location via a modem connection. The pin assignments
used to connect to the serial port are provided in the following
tables.
Figure B-1. DB-9 Console Port Pin Numbers
DB-9 Port Pin Assignments
EIA
Circuit
CCITT
Signal
Description
Switch’s
DB9 DTE
Pin #
PC DB9
DTE
Pin #
Modem
DB25
DCE Pin #
Signal
Direction
DTE-DCE
CF
109
DCD (Data Carrier Detected)
1
1
8
<------
BB
104
RxD (Received Data)
2
2
3
<------
BA
103
TxD (Transmitted Data)
3
3
2
------>
CD
108.2
DTR (Data Terminal Ready)
4
4
20
------>
AB
102
SG (Signal Ground)
5
5
7
-------
CC
107
DSR (Data Set Ready)
6
6
6
<------
CA
105
RTS (Request-to-Send)
7
7
4
------>
CB
106
CTS (Clear-to-Send)
8
8
5
<------
CE
125
RI (Ring Indicator)
9
9
22
<------