QDR
– QTech Digital Radio – Owner’s Manual – v1.4 – October 2014
www.qtech.co.nz
Page 6 of 16
Refer to applications.
Spare RS485 cables are available, P/N CB-QDR-RS485.
Note
– The RS485 cable differs depending on whether connecting to a XL4
RTU (RJ12 to RJ12) or another device (RJ12 to RJ10), the respective P/N are
CB-QDR-RS485-XL4 & CB-QDR-RS485.
4.0 Status Indicators
There are three status indicators on the QDR.
Colour
Meaning
Description
Green
Status
Indicates radio status
Yellow
RxD
Received valid (RF) data packet
Orange
TxD
Transmitted a packet
Notes
RxD LED blinks upon receiving a valid packet. A packet is valid if the Customer-ID
and Site-ID in the received packet are equal to the receiving radios Customer-ID and
Site-ID. The packets must also have a valid checksum.
Status LED issues 6 fast flashes to indicate that the QDR has been reset/repowered.
The Status LED flashes slowly to indicate the QDR processor is running correctly.
