Black Box Pin Signal Direction, Pin Signal Direction, Analog (RJ-45) Pin Equipment (RJ-11) Pin

144
PRO SWITCHING SYSTEM
Table B-3. Pin Configuration, COMM IN Port (DB25 Male)
Pin Signal Direction
1 SHIELD GND —
2TD In
3 RD Out
4 RTS In
5 CTS Out
6 DSR Out
7 SIGNAL GND —
20 DTR In
Table B-4. Pin Configuration, COMM OUT Port (DB25 Female)
Pin Signal Direction
1 SHIELD GND —
2 TD Out
3RD In
4 RTS Out
5 CTS In
6 DSR In
7 SIGNAL GND —
20 DTR Out
Table B-5. Pin Configuration, Cable Connecting the ANALOG Port and
RJ-11 Connector
Analog (RJ-45) Pin Equipment (RJ-11) Pin
11
22
33
44