Figure 43 - Single Acu Communication - Usb Adaptor - Keyscan CA250B Technical Instructions

Figure 43 – Single ACU Communication - USB Adaptor
Parts List
- USB Adaptor (USB-SER)
- RS-232 Data Cable
- Control Board
- PC (requires USB port)
- USB extension cable optional
Control Board
(PC 109x)
CTS
DTR
Ensure S2 DCD
DIP switches 7 & 8
are OFF
GND
RS-232 (COM4)
IOCB (COM1)
KI-00156E-04-13
Keyscan Inc. – Technical Guide (PC109x - 04.15)
485 terminal
block not used
Unused conductors are
taped back separately.
Unused conductors are
taped back separately.
Red
RD
Black
TD
Green
To ground lug
RX
TX
To USB port on PC
(may require USB
extender cable)
Note
USB communication is slower
than direct serial or NETCOM
communication.
Do not connect USB adaptor to
modem.
use 3 loose
RS-232 wires
GRN WHT BRN WHT
+ TX - + RX -
485 OUT 485 IN
Black
Red
Green
tape
back
shield
RS-232
22 AWG shielded cable
Maximum - 100 ft (30 M)
* Insulate shield with PVC tubing such as
Alpha (p/n PVC10516 16 AWG) or
comparable insulator.
PC with
Communication
Manager
62