Figure 74 - Single Acu Communication - Usb Adaptor - Keyscan CA250 Series Technical Manual

Figure 74 – 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
RD
are OFF
TD
GND
RS-232 (COM4)
IOCB (COM1)
KI-00156E-04-13
Keyscan Inc. – Technical Guide (PC109x - 07.15)
485 terminal
block not used
GRN
485 OUT 485 IN
Unused conductors are
taped back separately.
shield
Unused conductors are
taped back separately.
Red
Black
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
WHT B RN WHT
+ TX - + RX -
Black
Red
Green
tape
back
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
101