Esc Alarm (J5) - Comtech EF Data DMD50 Installation And Operation Manual

DMD50 Universal Satellite Modem
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5.15.4 ESC ALARM (J5)

The ESC (Engineering Service Circuits) Alarms Port is a 25-Pin Female "D" Connector. Refer to
Table 5-22 for pinouts.
Table 5-22. ESC ALARM Port 25-Pin Female "D" Connector (J1)
Pin
No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
MN-DMD50– Revision 3
Receive Data B (+)
Drop Data Out (-)
Insert Data In (-) EXC (-)
Mod Fault
Demod Fault
Signal Name
Ground
Backward Alarm Out -
1NO
No Connection
Backward Alarm Out - 2
NO
No Connection
Backward Alarm Out - 3
NO
Ground
Backward Alarm Out - 4
NO
No Connection
Backward Alarm In - 2
Backward Alarm In - 4
No Connection
No Connection
Backward Alarm Out - 1 C
Backward Alarm Out - 1
NC
Backward Alarm Out - 2 C
Backward Alarm Out - 2
NC
Backward Alarm Out - 3 C
Backward Alarm Out - 3
NC
Backward Alarm Out - 4 C
Backward Alarm Out - 4
NC
Backward Alarm In – 1
Backward Alarm In – 3
No Connection
No Connection
RD-B Output
DDO-A Output
IDI-A Input
Open Collector
MOD-FLT
Output
Open Collector
DMD-FLT
Output
Signal
GND
ESCBWO
1NO
NC
ESCBWO
2NO
NC
ESCBWO
3NO
GND
ESCBWO
4NO
NC
ESCBWI 2
ESCBWI 4
NC
NC
ESCBWO 1C
ESCBWO
1NC
ESCBWO 2C
ESCBWO
2NC
ESCBWO 3C
ESCBWO
3NC
ESCBWO 4C
ESCBWO
4NC
ESCBWI 1
ESCBWI 3
NC
NC
User Interfaces
Directio
n
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N/A
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N/A
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N/A
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N/A
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Input
Input
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N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
Input
Input
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