Comtech EF Data LBC-4000 - Manual (Page 42)

LBC-4000 L-Band Up/Down Converter System with Ethernet Revision 2
Rear Panel Connections MN-LBC4000A
3–8
3.2.2.3 P1 | RELAY (Summary Fault Output) Connector (DB-9F)
The P1 | RELAY summary fault output is a 9‐pin Type "D" female (DB‐9F)
connector.
Table 3-2. P1 | RELAY Connector Pinouts
Pin # Description
1 SUMFLT1_NC
6 SUMFLT1_COM
2 SUMFLT1_NO
7 NC
3 SUMFLT2_NC
8 SUMFLT2_COM
4 SUMFLT2_NO
9 NC
5 GND
Notes – For Normal Fault Relay Logic:
1. Pin 1 to Pin 6: OK – No Fault
2. Pin 2 to Pin 6: Fault