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External connections, Sms-451a external connections – Comtech EF Data SMS-451 User Manual

Page 32

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SMS-451 Satellite Switch

Revision 0

Installation

MN/SMS451.IOM

2-6

2.3 External

Connections

2.3.1

SMS-451A External Connections

Connections between the switch and other equipment are made through rear panel
connectors. The connectors are listed in Table 2-1and the locations are shown in
Figure 2-2.

Table 2-1. SMS-451A Rear Panel Connectors

Name

Ref.

Desig.

Connector Type

Function

REMOTE

J5

25-pin D

Remote Interface
Control/Status

FAULT J9

J8

9-pin D
9-pin D

Modem Fault A
Modem Fault B

IF IN A
IF IN COM
IF IN B

J21
J20
J22

BNC
BNC
BNC

Modem A Input
RX IF Input
Modem B Input

IF OUT A
IF OUT COM
IF OUT B

J18
J13
J11

BNC
BNC
BNC

Modem A
TX IF Output
Modem B

RX DATA A
RX DATA COM
RX DATA B

J15
J12
J10

BNC
BNC
BNC

Modem A
RX Data Com
Modem B

TX DATA A
TX DATA COM
TX DATA B

J6
J3
J1

BNC
BNC
BNC

Modem A
TX Data Com
Modem B

TX CLK A
TX CLK COM
TX CLK B

J7
J4
J2

BNC
BNC
BNC

Modem A
TX Clock Com
Modem B

AC POWER

J23, J24

CEE22

AC Power Input

GND

J25, J26

#10-32 STUD

Ground

A C 1

J 2 3

A C 2

J 2 4

E R D E

ERDE

J 2 5

G N D

J26

GND

A

J 2 1

R X I F

C O M

J 2 0

B

J 1 9

A

J 1 8

T X I F

C O M

J 1 3

B

J 1 1

A

J15

A

J 6

A

J 7

RX DATA

COM

J12

TX DATA

COM

J 3

T X CLOCK

C O M

J 4

B

J10

B

J 1

B

J 2

J9

J8

J 5

AC1

AC2

MODEM
FAULT A

MODEM
FAULT B

REMOTE INTERFACE

Figure 2-2. SMS-451A Rear Panel View