DAVIS 7627 Installation Manual download pdf (Page 24)

Verifying Communication with a Transmitter and

Repeaters

Always start verifying communication at the beginning of the chain, which is repeater A.

Once communication between repeater A and a station is established, move to the next

repeater in the chain and make sure it can receive packets from repeater A. Repeat this

process until you have reached the end of the chain closest to the receiver.

1. Place the first repeater in an area where it is likely to receive the station signal.

The repeater that received the default ID of A is the only repeater in the network that

must be configured with the station’s Transmitter ID.

2. Turn the Transmitter ID for the station ON on the Transmitter ID switch.

3. Put the repeater into Test Mode by turning on the repeater DIP Switch #4. The repeater

goes through the following process:

•It looks for a station signal for ten minutes, with the STAT LED flashing red when it

detects a signal not associated with a station during this time.

•It flashes yellow if it has found some stations but not all (if more than one station has

been selected), and then;

•It flashes green when all stations are found. For each station found, the TX LED

flashes immediately after the STAT LED, indicating that it is transmitting the station

ID(s).

Note: See “Maintenance and Troubleshooting” if you do not see the described LED pattern after ten minutes.

Wait for repeater A to fully acquire a signal from the station before proceeding to the next repeater in the

chain, otherwise the second repeater will not be able to acquire repeater A.

4. Turn repeater DIP Switch #4 off once the test is complete, otherwise it will signifi-

cantly shorten battery life.

5. Close the repeater enclosure.

6. Select the second repeater in the chain (Repeater ID B) and put it into Test Mode. The

LEDs displays the same light pattern as described in step 3.

Note: Set the Transmitter ID on only one repeater (the first repeater) in the chain. The second repeater in the

chain automatically repeats the first repeater.

7. Repeat the test process to verify communication for every repeater in the chain.

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DAVIS 7627 Installation Manual Page 24