Operating instructions

Rear Panel Interfaces DMD50 Universal Satellite Modem
5-10 TM118 – Rev. 1.1
10 IDR ESC Backward Alarm
Output - 3 Common
ESCBWO 3C No Direction
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 No Direction
13 External Clock Input - A BAL EXC-A No Connection
14 Ground GND ---
15 IDR ESC Audio Input Channel 1A ESCAUDTX 1A Input
16 IDR ESC Audio Input Channel 2A ESCAUDTX 2A Input
17 IDR ESC Audio Output Channel 1A ESCAUD RX 1A Output
18 IDR ESC Audio Output Channel 2A ESCAUD RX 2A Output
19 IDR ESC Backward Alarm Input - 3 ESCBWI 3 Input
20 IBS ES Transmit Data A IDR ESC
Backward Alarm Input 1
TXD-A BWI 1 Input
21 Mod Fault Open Collector Output MOD FLT Output Open
Collector
22 IBS ES Receive Data Output - A ES RXD-A Output
23 IBS ES Data Set Ready
(RS-232 Only)
ES DSR No Connection
24 IDR ESC Transmit 8 Kbps
Output Clock
ESCTXC-A Output
25 IDR ESC Transmit 8 Kbps
Output Data
ESCTXD-A Input
26 IDR ESC Receive 8 Kbps
Output Clock
ESCRXC-A Output
27 IDR ESC Receive 8 Kbps
Output Data
ESCRXD-A Output
28 IDR ESC Backward Alarm
Output - 4 Normally Closed
ESCBWO 4NC No Direction
29 IBS Transmit Octet Input - A TXO-A Input
30 Synchronous Data Mode A SYNC DM-A Output
31 Synchronous Data Clear to
Send - A
SYNC CS-A Output
32 IBS Receive Octet
Output - A
RXO-A Output
33 Synchronous Data Request to
Send - A
SYNC RS-A Input
34 Synchronous Data Receiver
Ready - A
SYNC RR-A Output
35 G.703 Send Data Input - B G703B SD-B Input