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Figure 54 – Single ACU Communication - USB Adaptor/CB-485 (RS-232)
To USB port on PC
(may require USB
extension cable)
Note
USB communication is slower than direct
serial or NETCOM communication.
Do not connect USB adaptor to modem.
GRN
WHT
BRN
WHT
+ TX -
+ RX -
485 OUT 485 IN
Black
Red
Green
tape
Unused
back
conductors are
shield
taped back
separately.
* Insulate shield with PVC tubing such
as Alpha #16 or comparable insulator
and connect to ground lug.
KI-00157E-07-11
Keyscan Technical Guide (PC109x - 04.12)
PC with
Communication Manager
use 3 loose
RS-232 wires
Control Board
(PC 109x)
ECM/GCM MODULE
(COM2 & COM3)
Common
RS-232
22 AWG shielded cable
Maximum - 100 ft (30 M)
Unused conductors
are taped back
separately.
to ground lug
Jumper ON J1
Parts List
- USB Adaptor (USB-SER)
- RS-232 Data Cable
- CB-485
- Control Board
- PC (requires USB port)
- USB extension cable optional
Connect CB-485 ribbon cable to
CPB/CB MODULE on control board.
Jumper ON J16-G to activate
CPB/CB COMMS
(COM4)
H1
H2
17
18
19
20
21
22
23
24
AUX Inputs - E
TX
LED
Green
B LED
GND
Black
TD
Red
RD
NC
Current Draw - 110 mA
RS485 IN
+
-
+
BRN WHT GRN WHT
J1
SYSTEM CONFIG.
J16 -
A B C D E F
G
H
CPB/CB MODULE (H1).
RX
LED
CB-485
RS485 OUT
M
Jumpers ON
-
+
-
+
-
GRN WHT
BRN WHT
BLU WHT
Run
Run
Program
77
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