Operating instructions

Rear Panel Interfaces DMD20/DMD20 LBST Universal Satellite Modem
5-18 TM103 – Rev. 2.8
40 IDR ESC Backward Alarm
Out - 2 Common
ESCBWO 2C No Direction
41 Synchronous Data Terminal
Timing – B
SYNC TT-B Input
42 IDR ESC Backward Alarm
Output - 2 Normally Open
ESCBWO 2NO No Direction
43 G.703 Drop Data Out - B
Synchronous Data Receive
Timing – B
DDO-B RT-B Output
44 IDR ESC Backward Alarm
Out - 3 Normally Closed
ESCBWO 3NC No Direction
45 G.703 Insert Data Out
Synchronous Data
IDO-B RD-B Output
46 IDR ESC Backward Alarm
Out - 4 Common
ESCBWO 4C No Direction
47 External Clock Input - B BAL EXC-B Input
48 Ground GND ---
49 IDR ESC Audio Input
Channel - 1B
ESCAUDTX 1B Input
50 IDR ESC Audio Input
Channel - 2B
ESCAUDTX 2B Input
51 IDR ESC Audio Output
Channel - 1B
ESCAUDRX 1B Output
52 IDR ESC Audio Output
Channel - 2B
ESCAUDRX 2B Output
53 IDR ESC Backward Alarm
Input - 4
ESCBWI 4 Input
54 IBS ES Transmit Data – B
IDR ESC Backward Alarm
Input - 2
TX-B BWI 2 Input
55 Demod Fault Open Collector
Output
DMD FLT Output
Open Collector
56 IBS ES Receive Data Input - B ES RXD-B Output
57 Ground GND ---
58 IDR ESC Transmit 8 Kbps
Output Clock - B
ESCTXC-B Output
59 IDR ESC Transmit 8 Kbps
Output Data - B
ESCTXD-B Input
60 IDR ESC Receive 8 Kbps
Clock Output - B
ESCRXC-B Output
61 IDR ESC Receive 8 Kbps
Data Output - B
ESCRXD-B Output