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Comtech EF Data SMS-451 User Manual

Page 56

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SMS-451T 1:1 ESC Protection Switch

Revision 0

B-141-1 Interface Breakout Panel

MN/SMS451.IOM

A–4

Refer to Figure A-2 for the schematic diagram of the B-141-1 interface breakout panel.

19

37

18

36

17

35

16

34

15

33

14

32

13

31

12

30

11

29

10

28

9

27

8

26

7

25

6

24

5

23

4

22

3

21

2

20

1

P2

DB37

TX0-A

TXD-A

TX0-B

TXD-B

P01

1

P34

34

P18

18

P02

2

P35

35

P19

19

P03

3

P36

36

P20

20

P04

4

P37

37

P21

21

P05

5

P38

38

P22

22

P06

6

P39

39

P23

23

P07

7

P40

40

P24

24

P08

8

P41

41

P25

25

P09

9

P42

42

P26

26

P10

10

P43

43

P27

27

P11

11

P44

44

P28

28

P12

12

P45

45

P29

29

P13

13

P46

46

P30

30

P14

14

P47

47

P31

31

P15

15

P48

48

P32

32

P16

16

P49

49

P33

33

P17

17

P50

50

J1

DB50

EXC-A

SDB_J1-18

SDA_J1-34

RTS_CTSA

RTS_CTSB

TXC-A

TXC-B

RXD-A

RXC-A

RXD-B

RXC-B

8Kbit RS-422 DATA CONNECTOR

EXC-B

TX0-A

TX0-B

TXD-A

TXD-B

TXC-A

TXC-B

RDA_J1-36
RDB_J1-20

RXO-A

RX0-B

RXD-A

RXD-B

RXC-A

RXC-B
BWO1-C
BWO1-NO
BWO1-NC

BWO1-C

BWO1-NC

BW01-NO

BWO2-C

1
2
3
4
5
6
7
8
9
10
11
12

TB2

HEADER 12

RX0-A

RX0-B

1
2
3
4
5
6
7
8
9
10
11
12

TB3

HEADER 12

BWO2-NO
BWO2-NC
BWO3-C
BWO3-NO
BWO3-NC
BWO4-C
BWO4-NO
BWO4-NC

BWO2-C
BWO2-NO
BWO2-NC
BWO3-C
BWO3-NO
BWO3-NC
BWO4-C
BWO4-NO
BWO4-NC
BWI-1

BWI-2

BWI-3

BWI-4

A1I-A
A1I-B

A1O-A
A1O-B

A2I-A
A2I-B

A1I-A
A1I-B

A1O-A
A1O-B

A2I-A
A2I-B

BACKWARD ALARM OUTPUTS

ADPCM AUDIO CONNECTOR

1
2
3
4
5
6
7
8

TB1

HEADER 8

A2O-A
A2O-B

DF-COM

GND

A2O-A
A2O-B

MF
DF

DF-NO

DF-COM

DMALARM

MODEM INTERFACE CONNECTOR

BWI-1
BWI-2
BWI-3
BWI-4
DMALARM

DF-NO

ALARMS CONNECTOR

Figure A-2. B-141-1 Interface Breakout Panel Schematic Diagram