Comtech EF Data CDM-625, Инструкция по установке и эксплуатации

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CDM-625 Advanced Satellite Modem Revision 1
Rear Panel Connector Pinouts MN-0000036 (Ref MN/CDM625.IOM)
3.3.2 G.703 Connectors
3.3.2.1 Balanced G.703 Connector, DB-9F
The Balanced G.703 connector is a 9-pin Type ‘D’ female connector. It is
used for single port G.703, D&I or D&I++; when used with Quad E1
operations, this connector serves Ports 1 and 2 of the Quad E1 interface.
Refer to
Table 3-4
for pin assignments.
Table 3-4. Balanced G.703 Connector Pin Assignments
Pin #
Signal Function
Serial G.703
Signal Function
D&I or D&I++
Signal Function
Quad D&I
5 Tx in + DDI + Port 1 Tx In +
9
Tx in - DDI - Port 1 Tx In -
4 DDO + Port 1 Rx Out +
8
DDO - Port 1 Rx Out -
7
IDI + Port 2 Tx In +
2
IDI - Port 2 Tx In -
6
Rx out + IDO + Port 2 Rx Out +
1
Rx out - IDO - Port 2 Rx Out -
3 GND
GND GND
3.3.2.2 Auxiliary G.703 Connector, DB-9F
The Auxiliary G.703 connector is a 9-pin Type ‘D’ female connector. When
used with Quad E1 operations, this connector serves Ports 3 and 4 of the
Quad E1 interface. Refer to
Table 3-5
for pin assignments.
Table 3-5. Auxiliary G.703 Connector Pin Assignments
Pin #
Signal Function
Serial G.703
Signal Function
D&I or D&I++
Signal Function
Quad D&I
5 - - Port 3 Tx in +
9
- -
Port 3 Tx in -
4
- -
Port 3 Rx out +
8
- -
Port 3 Rx out -
7
- -
Port 4 Tx in +
2
- -
Port 4 Tx in -
6
- -
Port 4 Rx out +
1
- -
Port 4 Rx out -
3
- -
GND
3–7