Chapter 5. Connector Pinouts; Connector Overview; Table 5-1. External Connections - Comtech EF Data CDM-600 Operating Instructions Manual

5.1

Connector Overview

The rear panel connectors (Figure 5-1) provide all necessary external connections
between the modem and other equipment.
Name
RX IF
TX IF
Aux Serial
Overhead
Data Interface
External Reference
Audio
Remote Control
IDR Alarm
Alarms
Balanced G.703
IDI
DDO
RX Unbalanced
TX Unbalanced
External Frequency Reference
Note: To maintain compliance with the European EMC Directive (EN55022, EN50082-1) properly shielded cables are
required for all data I/O.
Chapter 5. CONNECTOR
Figure 5-1. Rear Panel

Table 5-1. External Connections

Ref Connector Type
J1 BNC
J2 BNC
P6 USB Type B (female)
P3A 25-pin D (male)
P3B 25-pin D (female)
J9 BNC
P4A 9-pin D (female)
P4B 9-pin D (male)
P5A 15-pin D (female)
P5B 15-pin D (male)
P7 15-pin D (female)
J10A BNC
J11A BNC
J10B BNC
J11B BNC
J12 SMA
5–1
PINOUTS
Function
RF Input
RF Output
Auxiliary Serial
Overhead Data
Data Input/Output
Input
Audio Signal Input/Output
Remote Interface
Alarm
FORM C Alarms
Balanced G.703 Data
Insert Data In/Sub-rate Auxiliary Tx G.703 In
Drop Data Output/ Sub-rate Auxiliary Rx G.703 Out
Receive G.703 (IDO)
Transmit G.703 (DDI)
High-Stability External Reference (Optional)