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Appendix B. Connector Pinouts
10BaseT
Alarm
Power
B-8
This is used to connect the TDU 120e to the local area net-
work. See Table B-9.
Connector type (USOC), Shielded 8-pin, module TDU
120e.
Table B-9. 10BaseT Ethernet Connector
Pin
This is used to connect the TDU 120e to an external alarm
device. See Table B-10.
Connector Type 4-pin, Eurostyle connector
Table B-10. External Alarm Device Connector
Pin
1
NC
2
NO
3
COM
4
GND
Table B-11. Power Connector (DC powered units)
Pin
1
2
TDU 120e User Manual
Name (To Nic)
1
TX1
2
TX2
3
RX1
6
RX2
Name
Normally closed
Normally open
Common
Connected to unit chassis
Name
+
+24 or +48 VDC
_
-24 or -48 VDC
Description
Description
61202156L2-1
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