Physical features, Communication ports – Wavetronix Click 400 (900 MHz radio) (CLK-400) - User Guide User Manual

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CHAPTER 24 CLICK 304

Physical Features

The Click 304 has several communication ports, as well as features for configuration.

Figure 24.2 – Diagram of the Click 304

Communication Ports

The back of the Click 304 features a 5-position connector that plugs into a T-bus connector

and provides power and RS-485 communication to the device. It also passes RS-485 com-

munication from the Click 304 to all other devices on the T-bus.

The top of the device has a pluggable screw terminal block that features four terminals—one

-485, one +485 and two grounds—for wiring RS-485 communication. This screw terminal

block can be removed for easy preinstallation wiring. It will not be necessary, however, to

wire RS-485 through the screw terminal block if the device is connected to a T-bus with

uninterrupted RS-485 communication.

The front of the Click 304 features a DB-9 connector and an RJ-11 connector for RS-232

and RS-485 communication. A straight-through cable can be used to connect from the

RS-232 DB-9 connector to a computer so that the device can be configured using Click

Supervisor. An RJ-11 cable can be connected from the front of the Click 304 to the front of

the Click 172/174 contact closure cards.

Any data on one port will be transmitted simultaneously on all other ports.

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