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Communication Interfaces

Chapter6 Communication Interfaces

6.1 Communication Modules Introduction

DB9 in the rear panel of the DC load IT8511+/IT8511A+/IT8511B+/IT8512+

/IT8512A+/IT8512B+/IT8512C+/IT8512H+/IT8513A+/IT8513C+ is TTL level,

which can be connected to the serial port of the PC through the level

conversion of the accessory.

The communication module is IT-E121/IT-E121A/IT-E122/IT-E123.

The IT8513B+/IT8514B+/IT8514C+/IT8516C+ comes standard with RS232

and USB communication interfaces.

Please do not connect the standard RS232 cable to the

IT8511+/IT8511A+/IT8511B+/IT8512+/IT8512A+/IT8512B+/IT8512C

+/IT8512H+/IT8513A+/IT8513C+ electronic load, which may

damage the instrument.

IT-E121 Communication Module

The DB9 interface connector on the rear panel of the DC load is TTL voltage

level; you can use the communication module IT-E121 and a standard RS232

extension cable to connect the DB9 interface connector of the DC load and the

RS-232 interface connector of computer for the communication.

IT-E121A Communication Module

The DB9 interface connector on the rear panel of the DC load is TTL voltage

level; you can use the communication module IT-E121A and a standard RS232

extension cable to connect the DB9 interface connector of the DC load and the

RS-232 interface connector of computer for the communication.

IT-E121A is derived on the basis of IT-E121, the main difference between them

is that the DB9 interface connector of the RS232 changes from female to male,

so that can be directly connected to the standard LAN interface.

IT-E121A communication cable

ITech IT8511A+ User Manual

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