Comtech EF Data CDM-700 - Manual (Page 48)

CDM-700 High Speed Satellite Modem Revision 5
Connector Pinouts MN/CDM700.IOM
Modem Rear Panel Connectors Table for Initially Released Chassis Version:
Name
Ref.
Des.
Connector Type Function
Tx IF Output J1
BNC Female 70/140 MHz IF Output
Type N Female L-Band IF Output
Rx IF Input J3
BNC Female 70/140 MHz IF Input
Type N Female L-Band IF Input
10/100 Ethernet J4 RJ-45 Female Ethernet Management
SerDes J6 RJ-45 Female Private communications link
Ext Ref J7 SMA Female External reference input
Alarm P1 15-pin ‘D’ Male Alarm connector and Form C contacts
RS232/485 P2 9-pin ‘D’ Male Remote Port
AC INPUT NONE IEC 320 Prime Power Input
GROUND NONE 10-32 Stud Grounding
Note: The initially-released chassis does not support 1:1 or 1:N operation and is not upgradeable.
Modem Rear Panel Connectors Table for L-Band, Rev. A and Later Chassis Versions:
Name
Ref.
Des.
Connector Type Function
Tx IF Output J1
BNC Female 70/140 MHz IF Output
Type N Female L-Band IF Output
Rx IF Input J3
BNC Female 70/140 MHz IF Input
Type N Female L-Band IF Input
10/100 Ethernet J4 RJ-45 Female Ethernet Management
Async Channel J6 9-pin D Female Async Engineering Channel
Ext Ref J7 BNC Female External reference input
Alarm P1 15-pin ‘D’ male Alarm connector and Form C contacts
RS232/485 P2 9-pin ‘D’ male Remote Port
AC INPUT NONE IEC 320 Prime Power Input
GROUND NONE 10-32 Stud Grounding
Note: This chassis is required for 1:1 or 1:N 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.
5–2