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Rear Panel Interfaces
When operating the remote port as RS232 using a cable pinned 1 for 1
may cause communication failures due to miss routing of standard
RS232 com port signals.
When operating the remote port as RS232, the cable used should only
have pins 2, 3 and 5 connected.
5.3.12 ETHERNET (J21)
The ETHERNET Port (J21) can be used for the Monitor & Control (M&C) Functions of the unit.
The physical interface is a standard female RJ-45 Connector.
5.4 G.703 IDR/IBS Interface (Optional)
The DMD50 supports two versions of the G703 IDR/IBS interface.
Interface options are G703 T1/E1/T2/E2 or G703 T1/E1/T2/E2/E3/T3 and STS1.
5.4.1 ESC ALARM (J1)
The ESC (Engineering Service Circuits) Alarms Port is a 25-Pin Female "D" Connector. Refer to
Table 5-6 for pinouts.
Table 5-6. 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
5-6
Signal Name
Ground
No Connection
No Connection
Ground
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
Direction
---
N/A
---
N/A
---
N/A
---
N/A
---
Input
Input
---
---
N/A
TM118 – Rev. 1.1
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