ABtUS 485 CONVERTER (A934-485M-100) - Manual (Page 2)

User Operation Guide
* Specifications are subject to changes without notice.
PRODUCT HIGHLIGHTS
PRODUCT DESCRIPTION
The ABtUS A934-485M-100 is a RS232 / RS485 two way converters, It is the most simple
device use for 232 to 485 or 485 to 232 conversion without any feature set.
With it’s small size design, long transmitting distance and stability characteristics, it could be
installed almost in any application and location. Example: Car-parking system, Remote control
system Lighting Control system or even industrial application.
· Require only the use of RS-232 the RXD, TXD, GND signal line
· Automatically converted to RS-485 with zero delay
· RS-232 communications distance can be extended up to 1200 m (*using a twisted-pair shielded cable)
· With RXD, TXD, Power LED Indicator
· Support multi-point communications
· Support ID setting from 00H to 1FH (32 ID)
· Support baud rate setting from 2400 to 115200
To return to “Normal Model” :
Making use of a small screw driver and
press the “SET” button once again
as shown below
Entering into “Set Up Mode”:
Making use of a small screw driver and press
the “SET” button once as shown below
The “Power” LED indicator will
start flashing instead of always “ON”
Unit will stay in “Set Up Mode” for
60 sec before returning to normal mode.