User Manual

Page 83 of 90
CCT24
5.8 CCT24 Interface Board Features
Amber DCD LED D4 illuminates on a remote to indicate it is registered with the base and can participate
in RF communications. DCD LED D4 illuminates on the base when one or more remotes are registered to
it, unless the base has been configured to assert DCD on power up. In this case it will be on as long as
the dev board is powered. Green Activity LED D1 illuminates when transmitting or receiving RF data. Red
Receive LED D3 illuminates when sending received data through the serial port to the PC. Green Trans-
mit LED D2 illuminates when the PC sends data through the serial port to be transmitted. Jumper pin set
J14 is provided to allow measurement of the CCT24 current. For normal operation J14 has a shorting
plug installed.