Comtech EF Data CDM-625 - Manual (Page 81)

CDM-625 Advanced Satellite Modem Revision 15
Rear Panel Connectors and Pinouts MN-CDM625
3–11
3.2.2.2.4 Unbal G.703 / ASI – Out (IDO), In (DDI)
Connector Type Description Direction
BNC
G.703 Unbalanced Rx (IDO) / ASI Out
G.703 Unbalanced Tx (DDI) / ASI In
3.2.2.2.5 G.703 IDI (Insert Data In), DDO (Drop Data Out)
Connector Type Description Direction
BNC
IDI (Insert Data Input) In
DDO (Drop Data Output) 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.
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3.2.2.4 IDR Data / Alarms / Audio (HD-44F)
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
Top
Pin #
(R-L)
Description
Center
Pin #
(R-L)
Description
Bottom
Pin #
(R-L)
Description
1 BWA4 out Normally Closed 16 No Connect 31 BWA4 out Normally Open
2 BWA3 out Normally Closed 17 BWA4 out Common 32 BWA3 out Normally Open
3 BWA2 out Normally Closed 18 BWA3 out Common 33 BWA2 out Normally Open
4 BWA1 out Normally Closed 19 BWA2 out Common 34 BWA1 out Normally Open
5 No Connect 20 BWA1 out Common 35 TBD RS-422 A in
6 RS-422 Tx ESC Data A in 21 TBD RS-422 B in 36 RS-422 Tx ESC Data B in
7 RS-422 Tx Octet B out 22 RS-422 Tx Octet A out 37
8 BWA3 in 23 BWA4 in 38 BWA2 in
9 Audio Out 2- 24 BWA1 in 39 Audio Out 2+
10 Audio In 2+ 25 Audio In 2- 40 Audio Out 1-
11 Audio In 1- 26 Audio Out 1+ 41 Audio In 1+
12 RS-422 Tx ESC Clock A out 27 RS-422 Tx ESC Clock B out 42 TBD RS-422 A out
13 RS-422 Rx Octet A out 28 TBD RS-422 B out 43 RS-422 Rx Octet B out
14 RS-422 Rx ESC Clock B out 29 RS-422 Rx ESC Clock A out 44 RS-422 Rx ESC Data A out
15 Ground 30 RS-422 Rx ESC Data B out