Cdm-625A Cabling Connections; Figure 3-3. Cdm-625A Rear Panel View - Comtech EF Data CDM-625A Installation And Operation Manual

CDM-625A Advanced Satellite Modem
Rear Panel Connectors and Pinouts
3.2

CDM-625A Cabling Connections

The rear panel connectors provide all necessary external connections between the unit and
other equipment.
Connector Group
Name
(Sect)
IF
Rx
Sect. 3.2.1
Tx
Terrestrial Data Data Interface
Sect. 3.2.2
G.703
Data
10/100 Ethernet
IDR Data/Alarms/Audio
ESC
Utility
Remote Control
Sect. 3.2.3
Alarms
PMSI
1:1 Control
External Reference
(TOP) Standard AC Chassis (CEFD P/N PL-0021325)
(BOTTOM) Optional 48V DC Chassis (CEFD P/N PL-0021327)
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 9-pin Type 'D' female
Auxiliary G.703 9-pin Type 'D' female
Unbalanced Out BNC female
Unbalanced In BNC female
IDI BNC female
DDO BNC female
(4X) RJ-45 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

Figure 3-3. CDM-625A Rear Panel View

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 Base-T management and data
Intelsat Open Network auxiliary signals
ESC Input/output (EIA-232/485)
Serial Remote Interface (EIA-232/485)
Form C Alarms (relay closures)
Pre-Mapped Symbol Interface (CnC)
Connection to External 1:1 Controller
Input/output
3–4
MN-CDM625A
Revision 4