Clear-Com ICS-2003 User Manual
Page 67
Clear-Com Communication Systems
ICS-2003 Intercom Panel Instruction Manual
3 - 2 7
Figure 3-16: COM-10 Communications Module Schematic Rev. A
A
A
B
B
C
C
D
D
E
E
4
4
3
3
2
2
1
1
Schematic
COM-10 Isolated COM Module
710429 - SCH - B -
A
B
11
710429SA.DSN
Clark McCoy
04/08/98
-----------------------
A
2442
Release T
o
Production
CHK
DWN
APP
DA
TE
DA
TE
DA
TE
ORCAD P/N
SHEET
:
OF:
SCALE
SIZE
DWG No.
REV
TITLE:
CLEAR-COM
INTERCOM SYSTEMS
R
REV
ECO#
DESCRIPTION
DA
TE
BY
CHK
J1
IC1 MAX1490B
+
-
-
+
OPT
O BARRIER
J2
RJ-45
J3
DB-15M
C1 22uF
+
C2 .1uF
R3
3.3K
R4
330
IC2D 74HC00
IC2B 74HC00
IC2A 74HC00
IC2C 74HC00
R7
330
R2 200
R1 3.3K
T1
560018
T2
MET
-09
R5 150
R6 4.7K
C3
.0022uF
VCC
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
VCC1
1
VCC2
2
VCC3
8
VCC4
10
GND1
5
GND2
12
D1
3
D2
4
FS
6
SD
7
DIN
9
ROUT
11
AC1
24
AC2
23
A
20
B
19
Z
18
Y
17
ISOVCC1
22
ISOVCC2
14
ISODIDR
V
15
ISORODR
V
21
ISOROLED
13
ISOCOM1
16
1 2 3 4 5 6 7 8
8
15
7
14
6
13
5
12
4
11
3
10
2
9
1
12
13
11
4
5
6
1
2
3
9
10
8
1
6
5
3
4
2
1
6
5
3
4
2
+5V +5V
/IRQ
+5V
D3
D2
D0 D1
D7
D4
D6
D5
/WEL
/CE
/OE
/AS
A3
/RES
A2
A1
422 REC
A4
422 XMIT
A5
AGND
DGND
AGND
DGND
AGND
+12A
T
ALK AUDIO
-12A
LIST
AUDIO AGND
RS-422 XMIT+
RS-422 XMIT
-
T
ALK AUDIO
+
T
ALK AUDIO
-
LIST
.
AUDIO +
LIST
.
AUDIO -
RS-422 REC+
RS-422 REC-
RS-422 XMIT+
RS-422 XMIT
-
T
ALK AUDIO
+
T
ALK AUDIO
-
LIST
.
AUDIO +
LIST
.
AUDIO -
RS-422 REC+
RS-422 REC- CHASSIS GND CHASSIS GND