If (J1 Tx / J3Rx) Connections; Terrestrial Data Connections; 3.3.1 10/100 Ethernet Remote Port Connector Pinout, J4; Serdes Port Connector, J6 (Initially Released Chassis Only) - Comtech EF Data CDM-710 Installation And Operation Manual

CDM-710 Broadcast Satellite Modem
Rear Panel Connectors and Pinouts
3.2

IF (J1 Tx / J3Rx) Connections

There may be DC voltages present on the CDM-710L (L-Band) Type 'N' Rx and Tx
IF connectors, up to a maximum of 48 volts.
CA UTIO N
3.2.1 Tx IF Connectors, J1
3.2.2 Rx IF Connectors, J3
3.3

Terrestrial Data Connections

3.3.1 10/100 Ethernet Remote Port Connector Pinout, J4

The J4 Ethernet connector is a RJ-45
female interface. The J4 connector pinout
is as follows:

3.3.2 SerDes Port Connector, J6 (Initially released chassis only)

RJ-45: Private communications link – not available for customer use.
Connector Type
Ref Des
CDM-710 (70/140 MHz band):
BNC female
J1
CDM-710L (L-Band):
Type 'N' female
Ref Des Connector Type
CDM-710 (70/140 MHz band):
BNC female
J2
CDM-710L (L-Band):
Type 'N' female
Description
70/140 MHz Tx IF
signal
L-Band Tx IF signal
Description
70/140 MHz Rx IF
Signal
L-Band Rx IF Signal
Pin #
1
2
3
4
5
6
7
8
3–3
Revision 11
MN/CDM710.IOM
Direction
Out
Direction
In
Description Direction
Tx+ Out
Tx- Out
Rx+
N/A
N/A
Rx-
N/A
N/A
In
In