Table of Contents
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REAR CONNECTOR BOARD
A10
J2
J2
RXA+ 1
RXA- 2
TXA+ 3
TXA- 4
TIP 5
RING 6
TIP 1 7
RING 1 8
EA
9
EB 10
MA 11
MB 12
RXS+ 13
RXS- 14
TXS+ 15
TXS- 16
VOTER AUDIO 17
EXT MODE 18
VOTER DATA IN 19
EXT REQ 1 20
GROUND 21
GROUND 22
+15V ACC 23
+15V ACC 24
RSSI 25
AC FAIL OUT 26
ALARM 1 IN + 27
ALARM 1 IN - 28
ALARM 2 IN + 29
ALARM 2 IN - 30
ALARM 1 OUT + 31
ALARM 1 OUT - 32
ALARM 2 OUT + 33
ALARM 2 OUT - 34
J1
ALARM 3 IN + 1
ALARM 3 IN - 2
ALARM 4 IN + 3
ALARM 4 IN - 4
SQUELCH ENABLE 5
IAC 41 6
EXT REQ 2 7
EXT OUT 1 8
COM 17 9
COM 49 10
SYNC IN 11
COM 50 12
ALARM 3 OUT + 13
ALARM 3 OUT - 14
ALARM 4 OUT + 15
ALARM 4 OUT - 16
TX DATA OUT 17
TX DATA IN 18
COM 53
RX VOICE 20
COM 54 21
TX VOICE 22
COM 55
BUF RX WBAND 24
I/O 13 25
COMM 6 26
10-3
Part No. 001-2001-200
BACKPLANE
BACKPLANE A9
P3-P5-P7-P12
J1
A5
P11
P14-P16-P18
6
6
24 HSDB+
P9
5
5
56 HSDB-
RF MUX 3 INH 14
P3-P5-P7-P12
4
4
25 IRDB+
PC STR 15
P14-P16-P18
3
3
57 IRDB-
LPTT 21
7
2
20 TLA DB+
HS CS EX 16
8
1
52 TLA DB-
SYN CS EX 26
P2-P4-P6-P8
P2-P4-P6-P8
P13-P15-P17
J3
A6
J1
P13-P15-P17
1
1
13
TX MOD 29
2
2
14
WO 4 30
3
3
15
4
4
16
WO 1 11
5
5
17
WO 3 28
RX WBAND 3
6
6
18
RX WBAND 27
7
7
19
WO 2 24
8
8
20
RF DATA A 29
9
9
21
RF DATA B 30
10
10
22
RF DATA C 31
A-D LEVEL 26
11
11
23
A-D LEVEL 28
12
12
24
RF MUX 2 INH 13
13
13
1
RF DATA 32
14
14
2
RF CLOCK 8
15
15
3
SYN CS RX 10
16
16
4
HS CS RX 25
17
17
25
RSSI 12
18
18
11
RF MUX 1 INH 12
P3-P5-P7-P12
P14-P16-P18
19
19
58
20
20
10
V REF EX 7
21
21
22
22
IAC SLOT P1
23
23
24
24
24
25
25
25
12
IAC SLOT P9
26
26
23
IAC SLOT P1
27
27
5
28
28
37
29
29
6
POWER SUPPLY
FILTER BOARD
A10
A 11
30
30
38
31
31
19
GROUND
B
32
32
51
+15V
C
33
33
20
+26V
A
34
34
52
P1
A7
P10
1
1
7
2
2
39
FAN
3
3
8
4
4
40
5
5
9
6
6
41
7
7
10
IAC SLOT P9
8
8
7
P3-P5-P7-P12
9
9
17
P14-P16-P18
17
10
10
49
49
11
11
18
18
12
12
50
50 WO 17
WO 16
IAC SLOT P9
13
13
1
14
14
17
15
15
2
16
16
18
P2-P4-P6-P8
P13-P15-P17
17
17
8
18
18
9
P3-P5-P7-P12
P14-P16-P18
19
19
53
20
20
31
INPUT/OUTPUT ALARM INTERFACE
21
21
54
22
22
32
FIGURE 10-6
23
23
55
24
24
22
25
25
27
5
6
26
26
6
August 2000
RF INTERFACE
(023-2008-110)
FWD/REV PWR DETECT
C11
J2
A8
J101
PWR OUT
W115
W655
1
1
1
+15V
WO 655
C12
W126
W656
2
18
19
RF MUX 3 INH
REFLECTED POWER
WO 656
C13
W121
W654
3
2
2
PC STR
FORWARD POWER
WO 654
19
4
20
LPTT
POWER AMPLIFIER
5
3
3
HS CS EX
C4
W116
W501
6
20
21
SYN CS EX
+26V
WO 501
C2
W120
W505
7
4
4
POWER CONTROL
WO 505
C3
W118
W506
8
21
22
TX MOD
+15V
WO 506
C6
W117
W507
9
5
5
WO 101
GROUND
WO 507
C6
W117
W508
10
22
23
GROUND
WO 508
C7
W122
W515
11
6
6
WO 102
FINAL POWER 1
WO 515
C8
W123
W516
RF INPUT
12
23
24
WO 108
FINAL POWER 2
WO 516
C9
W124
W 517
13
7
7
RX WBAND
FINAL POWER 3
WO 517
C10
W125
W 518
14
24
25
WO 109
FINAL POWER 4
WO 518
C5
W127
W519
15
8
8
RF DATA A
TEMP SENSOR
WO 519
C1
W147
W 521
16
25
26
RF DATA B
GAIN BLOCK POWER
WO 521
17
9
9
RF DATA C
18
26
27
A-D LEVEL
EXCITER
19
10
10
RF MUX 2 INH
J102
J401
20
27
28
RF DATA
+15V
1
+15V
RF OUT
21
11
11
RF CLOCK
WO 128
2
WO 423
22
28
29
SYN CS RX
WO 129
3
WO 429
23
12
12
HS CS RX
WO 130
4
WO 421
29
24
30
RSSI
WO 131
5
WO 427
25
13
13
RF MUX 1 INH
WO 132
6
WO 419
26
30
31
WO 133
7
WO 425
27
14
14
V REF EX/WO 103
WO 134
8
WO 417
28
31
32
WO 110
WO 135 / V REF EX
9
V REF EX / WO 415
29
15
15
WO 104
GROUND
10
GROUND
30
32
33
WO 111
LPTT
11
LPTT
16
31
16
WO 105
SYN CS EX
12
SYN CS EX
32
33
34
WO 112
TX MOD
13
EX MOD
33
17
17
WO 106
GROUND
14
GROUND
34
34
35
WO 113
GROUND
15
GROUND
18
SYN LK EX
16
SYN LK EX
36
HS LK EX
17
HS LK EX
A4
HS CS EX
18
HS CS EX
P104
GROUND (BLK)
WO 145 / C4
RF CLOCK
19
RF CLOCK
P105
GROUND (BLK)
RF DATA
20
RF DATA
P103
+15V (WHT)
WO 144 / C2
P101
+26V (RED)
RECEIVER
WO 143 / C3
P102
J103
J201
+26V (RED)
+15V
1
+15V
WO 136
2
GROUND
J104
1
FAN LOW
WO 137
3
WO 17
WO 138
2
FAN HIGH
4
WO 25
3
FAN LOW
WO 139
5
WO 19
4
FAN HIGH
WO 140
6
WO 23
RSSI
7
RSSI
WO 141
8
WO 21
RX WBAND
9
RX WBAND
WO 142
10
WO 27
GROUND
11
GROUND
SYN CS RX
12
SYN CS RX
RX INJ
13
RX INJ TP
SYN LK RX
14
SYN LK RX
GROUND
15
GROUND
HS CS RX
16
HS CS RX
GROUND
17
GROUND
RF CLOCK
18
RF CLOCK
HS LK RX
19
HS LK RX
RF DATA
20
RF DATA
ISOLATOR
WO 652
R685
PWR IN
WO 651
A8
LOW-PASS
FILTER
RF OUT
WO 510
WO 509
J402
A9
ANT
DUPLEXER
TX
RX
A201
RF IN
RF INTERFACE
FIGURE 10-7
FOLDOUT
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