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CHAPTER 3: Installation
3.5 Connecting User Cables
Obtain the correct cable for the supported interface. The Switch connectors are
female, and the cable connectors should therefore be male. Alarming and
monitoring functions are based on the following pin assignments:
Signal Name
RS-232/V.24
RS-530
V.35
DB25 Pin
DB25 Pin
M/34 pin
SD
2
2 and 14
P and S
RD
3
3 and 16
R and T
RTS
4
4 and 19
C
CTS
5
5 and 13
D
SG
7
7
B
DCD
8
8 and 10
F
SCT
15
15 and 12
Y and AA
SCR
17
17 and 9
V and X
DTR
20
20 and 23
H
