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Comtech EF Data SDM-300L3 User Manual

Page 56

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SDM-300L3 Satellite Modem

Revision 1

Connector Pinouts

MN/SDM300L3.IOM

3–2







Figure 3-1. SDM-300L3 Rear Panel

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 or N Female

RF Input 75

Data/I/O (Optional) J2

J3
J4
J5

BNC, Female
BNC, Female
BNC, Female
15-pin D Female

G.703/ASYNC Closed Network

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
(modem with
ASYNC/AUPC/IDR/IBS/G.703 option)

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

J8

DATA I/O

J6

J7

J9

J10

CP2

CP3

CP1

J2

J3

J4

J5

G.703/ASYNC

INTERFACE

OPTIONAL