Avaya 40DHB0002USBG manual RS485 Serial Connection, Network Addressing

Wallboard Installation and Maintenance Wallboard 22

RS485 Serial Connection

The RJ45, RS485 flying lead is one meter long. It cannot be removed from the Wallboard; therefore, this must be taken into consideration for the location of the RJ45 terminal box.

Fit the RJ45 terminal box within one meter of the center of the Wallboard.

The Wallboard should be connected to the host system by utilizing a drop off wiring configuration (See the diagram below).

All RJ45 sockets should be wired identically with the terminated RJ45 plug on the final socket with the supplied RJ45 doubler.

Network Addressing

Each display can be configured to display different messages. This is achieved by allocating each display its own network address. Within each display, there is a board containing eight dip-switches. For more information see the section entitled "Serial Connection & Dip-Switch Details" on page 37.

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40DHB0002USBG Issue 1 (11/14/2001)	Wallboard Installation and Maintenance • Page 34