Table 3-1. Cdm-625 Rear Panel Connectors - Comtech EF Data CDM-625 Installation And Operation Manual

Advanced satellite modem 18 kbps – 25 mbps for firmware version 1.1.5 or higher
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CDM-625 Advanced Satellite Modem
Rear Panel Connector Pinouts
Connector
Name
Group
IF
Rx
Sect. 3.2
Tx
Terrestrial Data
Data Interface
Sect. 3.3
G.703
Data
10/100 Ethernet
IDR Data/Alarms/Audio
ESC
Utility
Remote Control
Sect. 3.4
Alarms
PMSI
1:1 Control
External Reference
Power/Ground
AC
Sect 3.5
DC
Ground

Table 3-1. CDM-625 Rear Panel Connectors

Connector Type
BNC female (70/140MHz band)
Type 'N' female (L-band)
BNC female (70/140MHz band)
Type 'N' female (L-band)
25-pin Type 'D' female
Balanced G.703
15-pin Type 'D' female
Auxiliary G.703
15-pin Type 'D' female
Unbalanced Out
BNC female
Unbalanced In
BNC female
IDI
BNC female
DDO
BNC female
(4X) RJ45 female
44-pin High Density Type 'D'
female
9-pin Type 'D' female
9-pin Type 'D' male
15-pin Type 'D' male
9-pin Type 'D' female
9-pin Type 'D' female
BNC female
See Sect. 3.5.1
See Sect. 3.5.2
#10-32 stud
MN-0000036 (Ref MN/CDM625.IOM)
3–2
Revision 1
Function
IF Input
IF Output
Serial synchronous data
Input/Output
G.703, D&I or D&I++;
Quad E1 Ports 1 & 2
Quad E1 Ports 3 & 4
Receive G.703 (IDO);
ASI
Transmit G.703 (DDI);
ASI
Insert Data In / Sub-rate
Auxiliary Tx G.703 In
Drop Data Output / Sub-rate
Auxiliary Rx G.703 Out
10/100 BaseT management
and data
Intelsat Open Network
auxiliary signals
ESC Input/Output (RS232/485)
Serial Remote Interface
(RS232/485)
Form C Alarms (relay closures)
Pre-Mapped Symbol Interface
(CnC)
Connection to External 1:1
Controller
Input/Output
Chassis power
Chassis power
Common Chassis Ground

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