Elster A3 Meters - Digi TransPort WR21 Handbook

3g/4g lte cellular routers
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Elster A3 Meters

4.2
Requires optional RS-485 communications board.
RJ-11 Connections
Black
Receive -
Red
Receive +
Green
Transmit +
Yellow
Transmit -
Modbus Communications Option document . IL42-4009D. Pgs. 2, 3
Meter Engineers Handbook for Cellular Communication
10

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