Comtech EF Data C5 - Manual (Page 111)

C5/K1/K3 Integrated Satellite Terminal System Installation
Rev. 0 3–15
3.4 External IDU Connections
When a breakout panel, such as the UB-300, is not required, the rear panel connectors
provide all necessary external connections between the modem and other equipment.
Table 3-1 lists these connectors.
Note: Refer to the EFData UB-300 Universal Breakout Panel Installation and Operation
Manual for connecting the UB-300 breakout panel.
Table 3-1. Modem Rear Panel Connectors
Name Ref. Desig. Connector Type Function
REMOTE J6 9-pin D Remote Interface
FAULT J7 9-pin D FORM C Fault Relay Contacts
DATA I/O J8 25-pin D
34-pin
37-pin D
50-pin D Data Input/Output (standard modem)
V.35
EIA-422
Overhead Interface
See Figure 3-6 through Figure 3-9.
AUX 1 J9 9-pin D (TTL) Faults
Satellite Clock
Demod I/Q
Automatic Gain Control (AGC) Out
ALARMS J10 9-pin D FORM C Alarm
Relay Contacts
RX/IF OUTPUT CP1 BNC RF Output. Monitor
RX/IF INPUT CP2 TNC L-Band input.
TX/IF OUTPUT CP3 Type N RF Output (+36 VDC)
AC INPUT NONE IEC
GROUND NONE 10-32 Stud
Note: The European EMC Directive (EN55022, EN50082-1) requires using properly shielded
cables for DATA I/O. These cables shall be double-shielded from end-to-end, ensuring a
continuous ground shield.