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User Interfaces DMD15/DMD15L IBS/IDR Satellite Modem
5-10 TM051 – Rev. 5.8
18 Backward Alarm Out - 3 C ESCBWO 3C N/A
19 Backward Alarm Out - 3 NC ESCBWO 3NC N/A
20 Backward Alarm Out - 4 C ESCBWO 4C N/A
21 Backward Alarm Out - 4 NC ESCBWO 4NC N/A
22 Backward Alarm In – 1 ESCBWI 1 Input
23 Backward Alarm In – 3 ESCBWI 3 Input
24 No Connection NC ---
25 No Connection NC ---
5.18 SWITCH (J18)
The Switch Port is a 68-Pin High-Density Female Connector. Refer to Table 5-12 for pinouts.
Table 5-12. Switch Port 68-Pin High-Density Female Connector (J18)
Pin No. Signal Name Signal Direction
1 G.703 Send Data Input A G.703B SD-A Input
2 Synchronous Data Send
Data Input - A
SYNC SD-A Input
3 IDR ESC Backward Alarm
Out - 1 Common
ESCBWO 1C ---
4 G.703 Insert Data Input – A G.703B IDI-A Input
5 Synchronous Data Send
Timing Output – A
SYNC ST-A Output
6 IDR ESC Backward Alarm
Out - 1 Normally Open
ESCBWO 1NO Input
7 Synchronous Data Termin
al Timing
Input – A
SYNC TT-A Input
8 IDR ESC Backward Alarm
Out - 2 Normally Closed
ESCBWO 2NC ---
9 G.703 Drop Data Out A -
Synchronous Data Receive Timing
Output - A
DDO-A RT-A Output
10 IDR ESC Backward Alarm
Output - 3 Common
ESCBWO 3C ---
11 G.703 Insert Data Out A -
Synchronous Data Receive Data A
IDO-A RD-A Output
12 IDR ESC Backward Alarm
Output - 3 Normally Open
ESCBWO 3NO ---
13 External Clock Input - A BAL EXC-A Input
14 Ground GND ---
15 IDR ESC Audio Input Channel 1A ESCAUDTX 1A Input