Ultrak CRX-501, Installation And Operation Manual

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2-21
NOTE
The receive communications should be
terminated when only one receiver is
installed in a system. Jumper W4 is
installed to terminate receive
communications. Jumper W4 is
removed to leave the receive
communications open.
2.7.1.1 Daisy-Chain Wiring.
The CRX-500 Series Receivers can be daisy-chained so multiple
receivers can be controlled from one control point. Ten receivers
can be daisy-chain wired from each output port. The total distance
of the chain is 4000 feet.
NOTE
Terminate the receive communication
on the last receiver in the chain. Install
Jumper W4.
Leave the receive communication open
on all intermediate receivers. Remove
Jumper W4.
DAISY-CHAIN WIRING
CRX-500 Receiver CRX-500 Receiver
TB1, Terminal 1 (RX+) to TB1, Terminal 1 (RX+)
TB1, Terminal 3 (RX-) to TB1, Terminal 3 (RX-)
TB1, Terminal 2 (Shield) to TB1, Terminal 2 (Shield)