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Figure 65 – Single ACU Communication - CB-485M/MC33H
to Com Port
12 VDC
Adaptor
RS-232
Modem
Cable
MC33H
Modem
MC33H - DCE
RJ 11 Terminal
- connect to
analog phone
line
KI-00168E-07-11
Keyscan Technical Guide (PC109x - 04.12)
PC with
Communication
Manager
CPB/CB MODULE
(COM4)
Control Board
(PC 109x)
H1
ECM/GCM MODULE
H2
(COM2 & COM3)
17
18
19
20
21
22
23
24
Common
AUX Inputs - E
GND
TD
RJ 11 Terminal
RD
- connect to
NC
analog phone line
Jumper ON J1
Parts List
- RS-232 Modem Cable
- Control Board
- CB-485M
- MC33H Modem
- PC (requires serial port)
- Dedicated Analog Phone Line
Connect CB-485M ribbon cable to
CPB/CB MODULE on control board.
SYSTEM CONFIG.
J16 -
A B C D E F
Jumper ON J16-G to activate
CPB/CB MODULE (H1).
TX
LED
CB-485M
Current Draw - 360 mA
J1
RS485 IN
RS485 OUT
+
-
+
-
+
-
+
BRN WHT GRN WHT
GRN WHT
BRN WHT
G
H
RX
LED
Modem
Chip
DCD
RING
LED
LED
Run
Program
M
-
BLU WHT
Jumpers ON Run
88
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