Comtech EF Data CDM-625A - Manual (Page 97)

CDM-625A Advanced Satellite Modem MN-CDM625A
Rear Panel Connectors and Pinouts Revision 3
3–13
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.
\
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 3-8. IDR Data/Alarms/Audio Connector Pinouts
(R>L)
Bottom
Row
Pin #
Description
(R>L)
Center
Row
Pin #
Description
(R>L)
Top Row
Pin #
Description
30 EIA-422 Rx ESC Data B Out 15 Ground
44 EIA-422 Rx ESC Data A Out 29 EIA-422 Rx ESC Clock A Out 14 EIA-422 Rx ESC Clock B Out
43 EIA-422 Rx Octet B Out 28 TBD EIA-422 B Out 13 EIA-422 Rx Octet A Out
42 TBD EIA-422 A Out 27 EIA-422 Tx ESC Clock B Out 12 EIA-422 Tx ESC Clock A Out
41 Audio In 1 (+) 26 Audio Out 1 (+) 11 Audio In 1 (–)
40 Audio Out 1 (–) 25 Audio In 2 (–) 10 Audio In 2 (+)
39 Audio Out 2 (+) 24 BWA1 In 9 Audio Out 2 (–)
38 BWA2 In 23 BWA4 In 8 BWA3 In
37 22 EIA-422 Tx Octet A Out 7 EIA-422 Tx Octet B Out
36 EIA-422 Tx ESC Data B In 21 TBD EIA-422 B In 6 EIA-422 Tx ESC Data A In
35 TBD EIA-422 A In 20 BWA1 Out Common 5 No Connect
34 BWA1 Out Normally Open 19 BWA2 Out Common 4 BWA1 Out Normally Closed
33 BWA2 Out Normally Open 18 BWA3 Out Common 3 BWA2 Out Normally Closed
32 BWA3 Out Normally Open 17 BWA4 Out Common 2 BWA3 Out Normally Closed
31 BWA4 Out Normally Open 16 No Connect 1 BWA4 Out Normally Closed