Table 3-1. Modem Rear Panel Connectors - Comtech EF Data SNM-1001L Installation And Operation Manual

SNM-1001L Satellite Modem
Connector Pinouts
Name
TX/IF OUTPUT
EXT REF
RF IF INPUT
REMOTE
FAULT
DATA I/O
(Customer-select)
AUX 1
ALARMS
AC INPUT
GROUND
Note: The European EMC Directive (EN55022, EN50082-1) requires using properly shielded
cables for DATA I/O. These cables must be double-shielded from end-to-end, ensuring a
continuous ground shield.

Table 3-1. Modem Rear Panel Connectors

Ref.
Desig.
Connector Type
CP1 Type N , Female
CP2 BNC, Female
CP3 Type F, Female
J6 9-pin D, Female
J7 9-pin D, Female
J8 25-pin D, Female
34-pin, Female
37-pin D, Female
50-pin D, Female
J9 9-pin D, Female
J10 9-pin D, Female
NONE IEC
NONE 10-32 Stud
RF Output
EXT REF IN
RF Input 75Ω
Remote Interface
FORM C Fault Relay Contacts
Data Input/Output (standard modem)
V.35
EIA-449
Data Input/Output
(TTL) Faults
Satellite Clock
Demod I/Q
Automatic Gain Control (AGC) Out
FORM C Alarm
Relay Contacts
3–2
Revision 1
MN/SNM1001L.IOM
Function