Comtech EF Data SMS-301 - Manual (Page 38)

Installation SMS-301 Redundancy Switch
2–16 Rev. 3
2.3.8 Status/Fault (J14)
Refer to Table 2-14 for Status/Faults (J14) pinout assignments.
Connector-Type: 15-Pin D Subminiature, female Form C contact
Rating 2A maximum @ 30 VDC, 0.6A @ 125 VAC
Table 2-14. Status/Faults (J14) Pinout Assignments
Pinout
Pin # Name Function
1 Spare COM
2 Spare NO
3 Spare NC
4 CEQ COM
5 CEQ NO Common Equipment OK
6 CEQ NC Common Equipment Faulted
7 MODONL COM
8 MODONL NO Mod B On-line Status
9 MODONL NC Mod A On-line Status
10 SW COM
11 SW NO Switch OK
12 SW NC Switch Faulted
13 DMDONL COM
14 DMDONL NO Demod B On-line Status
15 DMDONL NC Demod A On-line Status
2.3.9 IF Connections: Transmit and Receive
The data is provided in the following listing:
Connector type BNC 75
Ω (50Ω Optional)
Return loss ≥ 18 dB from 50 to 180 MHz
2.3.10 Ground
A #10-32 stud is provided on the rear of the chassis for connecting a common chassis
ground between all of the equipment.