Clear-Com MS-232 User Manual

CLEAR-COM
INTERCOM SYSTEMS
R
PROGRAM
INPUT
OUTPUT
OUTPUT
ANNOUNCE
NOTES: (UNLESS OTHERWISE SPECIFIED)
1. ALL RESISTORS ARE 1/4W 5% LISTED IN OHMS
3. ALL DIODES ARE 1N4148
DIP LEVEL
4,5, 10,11,
12,13
PANEL
MIC
GAIN
HOT MIC
DIP EN
*CALL B
*CALL A
*PRG INT B
*PRG INT A
ALERT TONE
ALT TONE EN
ANN RELAY
LINK B OUT
LINK B LN DRV
LINK A LN DRV
SPK MUTE
To J23 on
Logic Board
CHL A POWER
CHL B POWER
KILL RLY CONT
KILL RLY COIL
CHL A
TERMINATION
CHL B
TERMINATION
ONOFFONOFF
ALERT TONE
LEVEL
CW
CW
HEADSET
PANEL
MIC
SPEAKER
INTERCOM
CHANNEL A
INTERCOM
CHANNEL B
ANNOUNCE
OUTPUT
ANNOUNCE OUT +
ANNOUNCE OUT -
PROGRAM IN +
PROGRAM IN -
ANNOUNCE
RELAY
Spares:
2
1
13
15
5
7
PROGRAM
VOLUME
CW
2
P17/J17
J17/P17
J17/P17
J17/P17
P17/J17
J17/P17
5
7
13
15
CW
SIDETONE A
P17/J17
J17/P17
1
22
CW
SIDETONE B
J17/P17
44
P17/J17
66
88
10 10
12 12
P17/J17
J17/P17
J17/P17CW
CW
LISTEN
LEVEL B
LISTEN
LEVEL A
P17/J17
14 14
PRGM FEED
A LEVEL
PRGM FEED
B LEVEL
LONG LINE A
LONG LINE B
99
J23/P22J16/P16
422
P22/J23
P22/J23
P16/J16
P16/J16
10 10 23 5
11 11 24 6
PARTY LINE
LINK A+B
16 16
FRONT PANEL PCA
GROUND PLANE
J18/P16 J23/P22
33 11
SPK ON-OFF
(CLOSE ON)
PANEL SEL
HEADSET SEL
IFB MUTE
ANNOUNCE
TALK SEL B
TALK SEL A
REMOTE
MIC KILL
J18/P16 J23/P22
5 5 25 25
J16/P16
J18/P16
J23/P22
J23/P22
2828
27271
16 16
19
CH A
FAULT
(RED)
CH B
FAULT
(RED)
HEADSET CABLE ASS'Y
P/N 740065
PANEL MIC CABLE ASS'Y
P/N 740066
PANEL
SPEAKER ASS'Y
P/N 740067
65W SWITCHING
POWER SUPPLY
POWER ON-OFF
POWER ENTRY
HARNESS ASS'Y
P/N 740063
DC POWER
CABLE ASS'Y
P/N 740064
2. ALL CAPACITORS ARE LISTED IN MICROFARADS
TEST
MS-232 2-Channel Main Intercom Station Schematic
SHEET 1 OF 2
IFB INPUT
X0459.DSN
PROGRAM FEED ON
ANNOUNCE OPTION
Clear-Com MS-232 Two-Channel Main Station
17
+30V
+30V
BIAS
+30V
+30V
+30V
+30V
+30V
+30V
+30V
VDD
VDD
+30V
BIAS
BIAS
BIAS
BIAS
BIAS
VDD
+30V
+30V
+30V
VDD
VDD
+30V
VDD
+30V+30V
+30V
BIAS
+30V
+30V
BIAS
BIAS
BIAS
BIAS
BIAS
BIAS
BIAS
BIAS
BIAS
VSS
BIAS
BIAS
BIAS
BIAS
BIAS
VSS
VSS
VSS
VSS
BIAS
BIAS
BIAS
BIAS BIAS
BIAS
BIAS
BIAS
VSSVSS
VSS
VSS
VSS
+30V
VDD
C83
1uF NP
C124
.1uF
IC21C
DG444
11
9
10
R24
10K
R163
1M
P15
XLR-3M
1
3
2
4
R131
430
R32
4.7K
P5
XLR-3M
1
3
2
4
C84
1uF NP
+
C91
100uF
+
C14
22uF
R126
47.5K*
P13
XLR-3M
1
3
2
4
C71
.0047uF
IC19B
LM833
5
6
7
P14
XLR-3M
1
3
2
4
C93
470pF
C85
1uF NP
C65
.047uF
R139
20K*
C69
1uF
C4
.01uF
C76
.1uF
C68
1uF
IC15A
LM833
3
2
1
84
C49
39pF
T1
1 6
5
3 4
2
R127
10
Q8
MPSA05
3
2
1
C92
470pF
R132
100K
C81
.01uF 1.4KV
R202
20K*
R152
10K
R140
20K*
IC17A
4559
3
2
1
84
R19
3.3K
D7
R99
47.5K*
IC20A
4559
3
2
1
84
IC24B
DG444
6
8
7
R142
9.1K
R18
4.7K
R208
20K*
D26
P10
XLR-3M
1
3
2
4
R100
47.5K*
Q25
2N5639
3
2 1
R96
6.2K
C52
4.7uF
IC15B
LM833
5
6
7
J3
1 2 3 4 5 6
C82
.1uF
R207
20K*
R224
9.1K
P9
XLR3-F
1
3
2
4
R115
430
C86
200pF
R206
20K*
R151
10K
R17
9.1K
R226
100K
R135
120K
R201
20K*
R205
20K*
C100
.0047uF
+
C63
1uF
C64
.047uF
R209
47.5K*
C132
.1uF
D8
R227
2K
R146
220
R180
2K
R210
47.5K*
C130
.1uF
D1
C131
.1uF
R216
20K*
IC16B
4559
5
6
7
C128
.1uF
IC24D
DG444
14
16
15
R212
20K*
R118
10K
R214
47.5K*
C129
.1uF
C66
.047uF
R8
0
R130
2K
R21
2.2K 1/2W
R213
20K*
R186
4.7K
C78
470pF
R20
2.2K 1/2W
R215
20K*
R211
47.5K*
R11
1K
R187
20K*
Q10
TIP35
2
1
3
+
C56
47uF
C105
.047
R12
20K
Q9
TIP35
2
1
3
IC21A
DG444
3
1
2
13
4
5 12
R10
1K
R105
120
C108
.01uF
J20
R217
6.8K
R13
20K
S12
SW SPDT
R14
9.1K
C104
.0047uF
R218
6.8K
R144
15K
S13
SW SPDT
R15
9.1K
R145
6.8K
IC22A
DG444
3
1
2
13
4
5 12
R6
1K
Q19
MPSA13
3
2
1
IC22D
DG444
14
16
15
R225
1.5
C67
.0047uF
R7
1K
R188
33K
IC24C
DG444
11
9
10
IC19A
LM833
3
2
1
84
P22
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
R171
6.8K
R28
.39 2W
+
C121
100uF
C77
.1uF
C2
.1uF
C57
470pF
C3
.1uF
Q2
MPSA55
1
2
3
IC21D
DG444
14
16
15
Q3
MPSA55
1
2
3
Q6
MPSA55
1
2
3
Q5
MPSA55
1
2
3
R133
470K
Q21
J174
2
31
D4
1N4003
R134
470K
P8
1
2
3
R137
39
D2
1N4003
JP2
R138
39
C118
820pF
C6
.01uF
C5
.01uF
R147
10K
R194
220
Q4
MPSA55
1
2
3
R196
220
+
C8
100uF
R197
4.7K
+
C136
22uF
R128
4.7K
R195
4.7K
C112
820pF
+
C7
100uF
IC16A
4559
3
2
1
84
C106
.1uF
R129
20K*
C79
1uF NP
R119
9.1K
R125
4.7K
R102
10K
R120
20K*
R308
50K
POT
+
C119
10uF
C54
47pF
C109
1uF NP
+
C120
10uF
R303
36K
D10
1N4003
P7
1
2
3
+
C90
100uF
R121
20K*
L1
100uH
R4
33K
C55
.1uF
R117
20K*
R3
33K
R304
5K
POT
R310
50K
POT
C107
.01uF
R2
33K
P3
1
2
3
R309
50K
POT
Q24
TIP41
2
1
3
D5
1N5401
+
C137
22uF
R191
2.2
D6
1N5401
C80
.22uF
IC23B
4559
5
6
7
R166
47.5K*
C116
.1uF
P4
1
2
3
R173
2.2
R123
820
C62
1uF NP
R174
1K
K2
RELAY SPDT
R106
120
R305
5K
POT
R307
50K
POT
C301
.1uF
R306
50K
POT
D47
1N4003
C101
.1uF
C51
39pF
IC24A
DG444
3
1
2
13
4
5 12
IC23A
4559
3
2
1
84
D15
1N4003
IC20B
4559
5
6
7
R101
6.2K
C87
200pF
R136
120K
RP1
100K SIP
1 2 3 4 5 6 7 8 9 10
C88
.047uF
R165
6.8K
C117
22pF
R122
100K
IC22B
DG444
6
8
7
R148
3.3K
U22C
DG444
11
9
10
XLR-4M
1
2
4
5
3
C115
.0022uF
S1-7
OPTION
C89
.22uF
S1-8
OPTION
P11
470pF
1KV
R103
100K
R153
3.3K
470pF
1KV
S303
R109
470K
R168
33K
C61
.047uF
D45
K301
RELAY SPDT
R169
33K
R170
10K
Q23
MPSA05
3
2
1
S308
SW DPDT
D43
LED304
C70
.0047uF
R149
470K
R182
20K*
C97
.1uF
D301
1N4003
C95
.01uF
R154
470K
R193
50K POT
R313
10K
8 OHM
R97
100K
C96
.01uF
R150
680
1
2
C72
47pF
R116
22
C114
1uF NP
C103
.1uF
1
2
3
R107
22
R159
220
+
C73
47uF
Q22
J174
2
31
IEC 320 MALE
C102
.1uF
R1
430
C53
.1uF
R167
47.5K*
R98
2K
J2
1
2
3
R158
10K
C110
47pF
-
+
IC14
LM384
6
2
8
7 3
1 14
+
C17
1000uF
R164
3.3K
C59
.1uF
C74
470pF
C98
.01Uf
R155
470K
R108
100K
R124
100K
R141
9.1K
+
C122
220uF
R156
470K
IC17B
4559
5
6
7
C58
47pF
C75
470pF
R161
2K
IC18A
LM833
3
2
1
84
R5
5 5W
C60
.1uF
IC18B
LM833
5
6
7
R160
430
IC1
555
2
5
3
7
6
4
TR
CV
Q
DIS
THR
R
C123
470pF
D46
C99
2.2uF
S301
R25
43K
R199
22
D26
P12
XLR-3M
1
3
2
4
R23
820K
C50
4.7uF
R198
1K
IC21B
DG444
6
8
7
R22
1K
D7
P6
XLR-3M
1
3
2
4
IFB MUTE
SPK MUTE
DIP EN
ALERT TONE
ALERT TONE EN
PRG INT A
HEADSET SEL
PANEL SEL
TALK SEL A
TALK SEL B
PRG INT B
CALL A
CALL B
ANNOUNCE
ANN RELAY
CHL A POWER CHL B POWER
CHL A POWER
CHL B POWER
SPK MUTE
PANEL SEL
HEADSET SEL
ANNOUNCE
TALK SEL B
TALK SEL A
DIP EN
IFB MUTE
ANN RELAY
CALL B
CALL A
PRG INT B
PRG INT A
ALERT TONE
ALERT TONE EN
CHL A POWER
CHL B POWER
LINK A LN DRV
LINK B LN DRV
LINK B OUT
LINK B OUT
LINK B LN DRV
LINK A LN DRV
KILL RLY COIL
KILL RLY CONT
CHL B POWER
CHL A POWER

Clear-Com MS-232 Specifications

General

Brand	Clear-Com
Model	MS-232
Category	Switch
Language	English