Unbal G.703 / Asi - Out (Ido), In (Ddi); Idi (Insert Data In), Ddo (Drop Data Out); Quad 10/100 Ethernet (Rj-45); Idr Data / Alarms / Audio (Hd-44F) - Comtech EF Data CDM-625A Installation And Operation Manual

CDM-625A Advanced Satellite Modem
Rear Panel Connectors and Pinouts
3.2.2.2.4 Unbal G.703 / ASI – Out (IDO), In (DDI)
3.2.2.2.5 G.703 IDI (Insert Data In), DDO (Drop Data Out)
3.2.2.3

Quad 10/100 Ethernet (RJ-45)

These are four standard RJ-45 female connectors, operating at 10/100 Mbps, half
and full duplex, auto-negotiating.
\
3.2.2.4

IDR Data / Alarms / Audio (HD-44F)

Top
Pin # Description
(R-L)
1 BWA4 out Normally Closed
2 BWA3 out Normally Closed
3 BWA2 out Normally Closed
4 BWA1 out Normally Closed
5 No Connect
6 RS-422 Tx ESC Data A in
7 RS-422 Tx Octet B out
8 BWA3 in
9 Audio Out 2-
10
Audio In 2+
11 Audio In 1-
12 RS-422 Tx ESC Clock A out
13
RS-422 Rx Octet A out
14 RS-422 Rx ESC Clock B out
15 Ground
Connector Type
BNC
Connector Type
BNC
The IDR Data/Alarms/Audio interface is a 44-pin, high-density Type 'D'
female connector.

Table 3-9. IDR Data/Alarms/Audio Connector Pinouts

Center
Pin #
(R-L)
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Description
G.703 Unbalanced Rx (IDO) / ASI
G.703 Unbalanced Tx (DDI) / ASI
Description
IDI (Insert Data Input)
DDO (Drop Data Output)
Description
No Connect
BWA4 out Common
BWA3 out Common
BWA2 out Common
BWA1 out Common
TBD RS-422 B in
RS-422 Tx Octet A out
BWA4 in
BWA1 in
Audio In 2-
Audio Out 1+
RS-422 Tx ESC Clock B out
TBD RS-422 B out
RS-422 Rx ESC Clock A out
RS-422 Rx ESC Data B out
3–11
Revision 0
MN-CDM625A
Direction
Out
In
Direction
In
Out
Bottom
Pin # Description
(R-L)
31 BWA4 out Normally Open
32
BWA3 out Normally Open
33
BWA2 out Normally Open
34
BWA1 out Normally Open
35 TBD RS-422 A in
36 RS-422 Tx ESC Data B in
37
38 BWA2 in
39 Audio Out 2+
40
Audio Out 1-
41 Audio In 1+
42 TBD RS-422 A out
43
RS-422 Rx Octet B out
44 RS-422 Rx ESC Data A out