Alarm (J15) - Comtech EF Data DMD-2050E Installation And Operation Manual

DMD2050E Universal Satellite Modem

5.3.4 ALARM (J15)

The Alarm port uses contact closures to identify the status of the unit. Pins 1 through 6 supply
Form C contacts for major alarm status on the modulator and demodulator.
Normally Open or Normally Closed conditions indicate a FAULTED or OFF state.
C = Closed
•
NO = Normally Open
•
NC = Normally Closed
•
Table 5-4. Pinouts for J15 ALARM Port 15-pin Female D Connector
Use the front panel to set up Prompt and Service alarm summaries. Select one summary type for
each alarm type:
Prompt Alarms Summaries
a) Prompt alarms
b) Prompt and Tx Minor alarms
c) Prompt and Tx minor and Tx Major alarms
MN-DMD2050E Revision 2
Label Description
ALARM J15 Alarm Port
Pin No. Signal Name
1 Mod Fault - C
2 Mod Fault – NC
3 Mod Fault – NO
4 Demod Fault - C
5 Demod Fault – NC
6 Demod Fault – NO
7 Prompt - C
8 Prompt – NC
9 Prompt – NO
10 Service – C
11 Service – NC
12 Service – NO
13 No Connect
14 AGC Out
15 Ground
Connector Type
15-pin Female D
Signal Direction
MF-C No Direction
MF-NC No Direction
MF-NO No Direction
DF-C No Direction
DF-NC No Direction
DF-NO No Direction
CEF-C No Direction
CEF-NC No Direction
CEF-NO No Direction
SP1-NO No Direction
SP1-NC No Direction
SP2-NO No Direction
SP2-NC No Direction
AGC No Direction
GND ---
Service Alarms Summaries
a) Service alarms
b) Service and Rx Minor alarms
c) Service and Rx minor and Rx Major alarms
External Connections
5–6