ITech IT8500plus Series User Manual page 76

IT-E122 Communication Module
The DB9 interface connector on the rear panel of the DC load is TTL voltage
level; IT-E122 has a USB interface (male connector B) on one end, you can use
IT-E122 and a standard USB extension cable (type B female connector at one
end and type A at one end) to connect the DB9 interface connector of the DC
load and the USB interface connector of computer for the communication.
After connecting the load and computer by USB, you need to install IT-E122
driver (download from
http://www.itech.sh/support/Down-3.htm?model=IT-E122%20%E5%85%89%E
9%9A%94%E7%A6%BB%E9%80%9A%E8%AE%AF%E6%8E%A5%E5%8F
%A3%E9%A9%B1%E5%8A%A8
manager of PC will display 'Prolific USB-to-Serial COM Port' after installing.
IT-E123 Communication Module
The DB9 interface connector on the rear panel of the DC load is TTL voltage
level;
The interface on both side port of IT-E123 are DB9 interface and RS485
interface, you can use the communication module IT-E123 and an a standard
RS485-RS232 conversion cable to connect the DB9 interface connector of the
DC load and the RS-232 interface connector of computer for the
communication.
or contact ITECH agent). The device
Copyright © Itech Electronic Co., Ltd.
Communication Interfaces
67