Switch Interface (J5) - Comtech EF Data DMD50 Installation And Operation Manual

DMD50 Universal Satellite Modem
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5.9.1 SWITCH INTERFACE (J5)

The Switch Interface Port is a 68-Pin High-Density Female Connector. Refer to Table 5-11 for
pinouts.
Table 5-11. SWITCH INTERFACE Port 68-Pin High-Density Female Connector (J5)
Pin
No.
1 G.703 Send Data Input A
2 Synchronous Data Send
3 IDR ESC Backward Alarm
4 G.703 Insert Data Input – A
5 Synchronous Data Send
6 IDR ESC Backward Alarm
7 Synchronous Data Terminal Timing Input – A
8 IDR ESC Backward Alarm
Closed
9 G.703 Drop Data Out A - Synchronous Data Receive
Timing Output - A
10 IDR ESC Backward Alarm
11 G.703 Insert Data Out A - Synchronous Data Receive
Data A
12 IDR ESC Backward Alarm
Open
13 External Clock Input - A
14 Ground
15 IDR ESC Audio Input Channel 1A
16 IDR ESC Audio Input Channel 2A
17 IDR ESC Audio Output Channel 1A
18 IDR ESC Audio Output Channel 2A
19 IDR ESC Backward Alarm Input - 3
20 IBS ES Transmit Data A IDR ESC Backward Alarm
Input 1
MN-DMD50– Revision 3
No Connection
Receive Data B (+)
Drop Data Out (-)
Insert Data In (-) EXC (-)
Mod Fault
Demod Fault
Signal Name
Data Input - A
Out - 1 Common
Timing Output – A
Out - 1 Normally Open
Out - 2 Normally
Output - 3 Common
Output - 3 Normally
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RD-B Output
DDO-A Output
IDI-A Input
MOD-FLT Open Collector
Output
DMD-FLT Open Collector
Output
Signal
G.703B SD-A
SYNC SD-A
ESCBWO 1C
G.703B IDI-A
SYNC ST-A
ESCBWO
1NO
SYNC TT-A
ESCBWO
2NC
DDO-A RT-A
ESCBWO 3C
IDO-A RD-A
ESCBWO
3NO
BAL EXC-A
GND
ESCAUDTX
1A
ESCAUDTX
2A
ESCAUD RX
1A
ESCAUD RX
2A
ESCBWI 3
TXD-A BWI 1
User Interfaces
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Direction
Input
Input
No Direction
Input
Output
No Direction
Input
No Direction
Output
No Direction
Output
No Direction
No Connection
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Input
Input
Output
Output
Input
Input
5–11