Comtech EF Data SMS-451 - Manual (Page 56)

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