Ganz ZP-EPC10 Manual de instalação - Página 10

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Installation

Configuration

Termination

If you are using several units in a daisy chain configuration (RS422 or RS485), you must

terminate the end-connectors with a resistor equivalent to the cable impedance, otherwi-

se the system may not communicate properly.

The factory settings for the protocol converter are such that its RS422 connections are

already terminated. It is possible to bypass the terminal resistors, if you decide to chan-

ge your system to a different configuration in the future. Normally the TERM 1 switch

should be left in the ON position.

If the protocol converter is the first unit in the dome camera daisy chain (DOME connec-

tion), the TERM 2 switch must be in the ON position to terminate the daisy chain correct-

ly at this end. The last dome camera in the daisy chain should also have the terminal resi-

stor connected.

In an RS485 cascade, if cabling constraints make it impossible to connect the protocol

converter in the first position, then the TERM 2 switch should be in the OFF position

(down). The first and last dome camera in such a daisy chain must have their terminal re-

sistors connected.

ZP-EPC10