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Parts List
- PC (with serial port)
- CAT 5 Cable - 2 twisted pairs
- Control Board
- CB-485
- RS-232 Data Cable
* Insulate shield with PVC tubing such
as Alpha #16 or comparable insulator.
CPB/CB MODULE
(COM4)
Control
Board
(PC 109x)
H1
H2
Common
AUX Inputs - E
LED
CAT 5
- RS-485 cable maximum 2000 ft (609 m) @ 9600 BPS between CB-485s
- may substitute equivalent to CAT 5 - 2 twisted pairs
- maximum baud rate is 56,000 BPS
KI-00171E-07-11
Keyscan Technical Guide (PC109x - 04.12)
Figure 68 – Multiple ACU Communication – CB-485
Ground
Connect CB-485 ribbon cable
to CPB/CB MODULE terminal
on control board.
Important
Jumper ON
J16 – G to
activate CPB/
CB MODULE
(H1) terminal.
TX
RX
LED
CB-485
(First & Last CB-485)
22 AWG shielded cable
100 ft (30 m) maximum
Lug
Shield*
Green
Black
Red
Brown & White
not used.
Tape back
separately.
Jumper ON J1
(First & Last CB-485)
CAT 5
Jumper
OFF J1
CAT 5
Jumper ON J1
to Com Port
RS-232
PC with
Communication
@ 9600 BPS
Manager
TX
RX
LED
LED
GND
TD
RD
NC
Current Draw - 110 mA
CB-485
Jumpers
RS485 IN
RS485 OUT
M
+
-
+
-
+
-
+
-
ON Run
J1
Run
Program
TX
RX
LED
LED
GND
TD
RD
NC
Current Draw - 110 mA
CB-485
Jumpers
RS485 IN
RS485 OUT
M
+
-
+
-
+
-
+
-
ON Run
J1
Run
Program
TX
RX
LED
LED
GND
TD
RD
NC
Current Draw - 110 mA
CB-485
Jumpers
RS485 IN
RS485 OUT
M
+
-
+
-
+
-
+
-
ON Run
J1
`
Run
Program
91
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