Rear Panel Interfaces
5.9.4 ESC ALARM (J5)
The ESC (Engineering Service Circuits) Alarms Port is a 25-Pin Female "D" Connector. Refer to
Table 5-18 for pinouts.
Table 5-18. ESC ALARM Port 25-Pin Female "D" Connector (J1)
Pin No.
1
2
Backward Alarm Out - 1NO
3
4
Backward Alarm Out - 2 NO
5
6
Backward Alarm Out - 3 NO
7
8
Backward Alarm Out - 4 NO
9
10
Backward Alarm In - 2
11
Backward Alarm In - 4
12
13
14
Backward Alarm Out - 1 C
15
Backward Alarm Out - 1 NC
16
Backward Alarm Out - 2 C
17
Backward Alarm Out - 2 NC
18
Backward Alarm Out - 3 C
19
Backward Alarm Out - 3 NC
20
Backward Alarm Out - 4 C
21
Backward Alarm Out - 4 NC
22
Backward Alarm In – 1
23
Backward Alarm In – 3
24
25
5.9.5 SD (DDI) (J6)
The Send Data (Drop Data In) Port (Unbalanced) is a 75-Ohm Female BNC Connector.
5.9.6 DDO (J7)
The Drop Data Out Port (Unbalanced) is a 75-Ohm Female BNC Connector.
5-22
Signal Name
Ground
No Connection
No Connection
Ground
No Connection
No Connection
No Connection
No Connection
No Connection
DMD50 Universal Satellite Modem
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
Direction
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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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TM118 – Rev. 1.1