Keyscan Technical Guide (PC109x - 04.12)
76
Figure 53 – Single ACU Communication - USB Adaptor
PC with
Communication
Manager
- USB Adaptor (USB-SER)
- RS-232 Data Cable
- Control Board
- PC (requires USB port)
- USB extension cable optional
BRNWHTGRN WHT
+ TX - + RX -
485 OUT
485 IN
To USB port on PC
(may require USB
extender cable)
485 terminal
block not used
use 3 loose
RS-232 wires
tape
back
shield
Note
USB communication is slower
than direct serial or NETCOM
communication.
Do not connect USB adaptor to
modem.
RS-232
22 AWG shielded cable
Maximum - 100 ft (30 M)
Green
Black
Red
Unused conductors are
taped back separately.
Unused conductors are
taped back separately.
GND
RS-232 (COM4)
Control Board
(PC 109x)
Green
Black
TD
RD
DCD
DTR
CTS
Red
To ground lug
IOCB (COM1)
RX
TX
Parts List
Ensure J16 – F & G
Jumpers OFF
KI-00156E-07-11
* Insulate shield with PVC tubing such as Alpha #16 or
comparable insulator and connect to ground lug.