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to Com Port
PC with
Communications
Manager
Ensure J16 – F & G
Jumpers OFF
CTS
Control Board
DCD
(PC 109x)
GND
RS-232 (COM4)
IOCB (COM1)
KI-00169E-07-11
Note
If the MC9600 modem is mounted in the metal enclosure, the shield of the serial cable may be connected
to GND as shown. If the MC9600 modem is mounted outside the metal enclosure, the shield must be
insulated and connected directly to the metal enclosure ground lug. See Grounding Communication Cable
Shield.
Keyscan Technical Guide (PC109x - 04.12)
Figure 66 – Single ACU Communication - MC9600/MC33H
RS-232 Modem Cable
12 VDC Adaptor
plug on reverse.
to MC33H terminal
MC33H
RJ 11
External Host
Modem
MC33H jumper - DCE
to analog
phone line
to analog
phone line
DTR
Brown
White
RD
Red
TD
Black
Green & Shield
RX
TX
Parts List
- RS-232 Modem Cable
- Control Board
- MC9600
- MC33H Modem
- PC (requires serial port)
- Dedicated Analog Phone Line
+
to 12 VDC ACU power supply
-
RX
TX
+
-
GND
12VDC
MC9600
300 mA
9-pin Male
Connector
RJ11
RS-232
22 AWG shielded cable
Maximum - 100 FT (30 M)
DTR
DCD
RI
MR
Set
jumper
to DTE
DCE
DTE
89
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