Product specifications

CDM-710 Broadcast Satellite Modem Revision 10
Connector Pinouts MN/CDM710.IOM
Table 4-1. Modem Rear Panel Connectors For Initially Released Chassis
Name Ref Des Connector Type Function
Tx/IF Output J1 BNC, female
Type N, female
IF Output 70/140 MHz
L-Band Output
Rx/IF Input J3 BNC, female
Type N, female
IF Input 70/140 MHz
L-Band Input
10/100 Ethernet J4 RJ-45, female Remote Interface
SerDes J6 RJ-45, female Private communications link
External Input J7 SMA, female External reference input
Alarm P1 15-pin D male Alarm connector and Form C contacts
RS-232/-485 P2 9-pin, D male Remote Port
AC INPUT NONE IEC Prime Power Input
GROUND NONE 10-32 Stud Grounding
Note : This chassis is Tx only and does not support 1:1 operation. It does not support 1:N operation
and is not upgradeable. This chassis is also not upgradeable to Rx only or duplex operation.
Table 4-2. Modem Rear Panel Connectors for Rev. A and Later
Chassis
Name Ref Des Connector Type Function
Tx/IF Output J1 BNC, female
Type N, female
IF Output 70/140 MHz
L-Band Output
Rx/IF Input J3 BNC, female
Type N, female
IF Input 70/140 MHz
L-Band Input
10/100 Ethernet J4 RJ-45, female Remote Interface
Async Channel J6 9-pin D female Async Engineering Channel
External Input J7 BNC, female External reference input
Alarm P1 15-pin D male Alarm connector and Form C contacts
RS-232/-485 P2 9-pin, D male Remote Port
AC INPUT NONE IEC Prime Power Input
GROUND NONE 10-32 Stud Grounding
Note: This chassis is required for 1:1 or 1:N operation. It supports Tx Only, Rx Only, and Duplex
operation.
The European EMC Directive (EN55022, EN50082-1) requires using properly shielded cables for
DATA I/O. These cables are double-shielded from end-to-end, ensuring a continuous ground shield.
4.1.1 Tx/Rx Connector Pinout, J1 / J3
The IF interface connectors are as follows:
J1
70/140 MHz: Transmit IF Output, BNC female
L-Band: Transmit IF Output , Type N female
J3
70/140 MHz: Receive IF Output, BNC female
L-Band: Receive IF Output , Type N female
4–2