Switch Interface (J5) - Radyne DMD20 Installation And Operation Manual

DMD20/20LBST Universal Satellite Modem

5.8.5 SWITCH INTERFACE (J5)

The Switch Interface Port is a 68-Pin High-Density Female Connector. Refer to Table 5-10 for
pinouts.
Table 5-10. SWITCH INTERFACE Port 68-Pin High-Density Female Connector (J5)
Pin No.
1 G.703 Send Data Input A
2 Synchronous Data Send
Data Input - A
3
IDR ESC Backward Alarm
Out - 1 Common
4 G.703 Insert Data Input – A
5 Synchronous Data Send
Timing Output – A
6
IDR ESC Backward Alarm
Out - 1 Normally Open
7 Synchronous Data Terminal Timing
Input – A
8
IDR ESC Backward Alarm
Out - 2 Normally Closed
9 G.703 Drop Data Out A -
Synchronous Data Receive Timing
Output - A
10
IDR ESC Backward Alarm
Output - 3 Common
11 G.703 Insert Data Out A -
Synchronous Data Receive Data A
12
IDR ESC Backward Alarm
Output - 3 Normally 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
21 Mod Fault Open Collector Output
22 IBS ES Receive Data Output - A
23
IBS ES Data Set Ready
(RS-232 Only)
MN-DMD20-20LBST Revision 14
Signal Name 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
MOD FLT
ES RXD-A
ES DSR
Rear Panel Interfaces
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
Output Open
Collector
Output
No Connection
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