beautypg.com

Comtech EF Data SNM-1001L User Manual

Page 54

background image

SNM-1001L Satellite Modem

Revision 1

Connector Pinouts

MN/SNM1001L.IOM

3–2

Table 3-1. Modem Rear Panel Connectors

Name

Ref.

Desig.

Connector Type

Function

TX/IF OUTPUT

CP1

Type N , Female

RF Output

EXT REF

CP2

BNC, Female

EXT REF IN

RF IF INPUT

CP3

Type F, Female

RF Input 75

REMOTE

J6

9-pin D, Female

Remote Interface

FAULT

J7

9-pin D, Female

FORM C Fault Relay Contacts

DATA I/O
(Customer-select)

J8



25-pin D, Female
34-pin, Female
37-pin D, Female
50-pin D, Female

Data Input/Output (standard modem)
V.35
EIA-449
Data Input/Output

AUX 1

J9

9-pin D, Female

(TTL) Faults
Satellite Clock
Demod I/Q
Automatic Gain Control (AGC) Out

ALARMS J10

9-pin

D,

Female

FORM C Alarm
Relay Contacts

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 must be double-shielded from end-to-end, ensuring a
continuous ground shield.