Comtech EF Data DMD2401/DMD2401L User Manual
Page 150
DMD2401/DMD2401L/DMD2401 IBS/IDR Satellite Modem
Electrical Interfaces
TM065 - Rev. 3.3
5-11
16
ESCAUDTX 2A
IDR ESC Audio Input Channel 2A
Input
17
ESCAUD RX 1A
IDR ESC Audio Output Channel 1A
Output
18
ESCAUD RX 2A
IDR ESC Audio Output Channel 2A
Output
19
ESCBWI 3
IDR ESC Backward Alarm Input - 3
Input
20
ES TXD-A/BWI 1
IBS ES Transmit Data A
IDR ESC Backward Alarm Input 1
Input
21
MOD FLT
Mod Fault Open Collector Output
Output
Open
Collector
22
ES RXD-A
IBS ES Receive Data Output - A
Output
23
ES DSR
IBS ES Data Set Ready (RS-232 Only)
Output
24
ESCTXC-A
IDR ESC Transmit 8 Kbps Output Clock
Output
25
ESCTXD-A
IDR ESC Transmit 8 Kbps Output Data
Input
26
ESCRXC-A
IDR ESC Receive 8 Kbps Output Clock
Output
27
ESCRXD-A
IDR ESC Receive 8 Kbps Output Data
Output
28
ESCBWO 4NC
IDR ESC Backward Alarm Output - 4
Normally Closed
Output
29
TXO-A
IBS Transmit Octet Input - A
Input
30
SYNC DM-A
Synchronous Data Mode A
Output
31
SYNC CS-A
Synchronous Data Clear to Send - A
Output
32
RXO-A
IBS Receive Octet Output - A
Output
33
SYNC RS-A
Synchronous Data Request to Send A
Input
34
SYNC RR-A
Synchronous Data Receiver Ready - A
Output
35
G703B SD-B
G.703 Send Data Input - B
Input
36
SYNC SD-B
Synchronous Data Send Data Input - B
Input
37
ESCBWO 1 NC
IDR ESC Backward Alarm Out - 1 Normally
Closed
Output
38
G703B IDI-B
G.703 Insert Data Input - B
Input
39
SYNC ST-B
Synchronous Data Send Timing Output B
Output
40
ESCBWO 2C
IDR ESC Backward Alarm Out 2 Common
Output
41
SYNC TT-B
Synchronous Data Terminal Timing – Input
B
Input
42
ESCBWO 2NO
IDR ESC Backward Alarm Output 2
Normally Open
Output
43
DDO-B RT-B
G.703 Drop Data Out - B Synchronous Data
Receive Timing Output B
Output
44
ESCBWO 3NC
IDR ESC Backward Alarm Out - 3 Normally
Closed
Output
45
IDO-B RD-B
G.703 Insert Data Out Synchronous Data
Receive Data B
Output