Comtech EF Data CDM-625A - IDI (Insert Data In), DDO (Drop Data Out); IDR Data; Alarms; Audio (HD-44 F); Quad 10;100 Ethernet (RJ-45); Unbal G.703; ASI - out (IDO), in (DDI)

CDM-625A Advanced Satellite Modem MN-CDM625A
Rear Panel Connectors and Pinouts Revision 4
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