Tyco installation manual MINIPLEX Wiring Non-4100U, Continued on next page

MINIPLEX Wiring (Non-4100U)

Overview	The RIC must be connected to the host panel via RUI cabling. This section explains how
	to wire the two together, and how to set up a system with multiple transponders connected
	to the same host panel.
Wiring
	RUI cabling can be accomplished either through Class A or Class B wiring.
Configurations

Class A Wiring

Class B Wiring

Class A wiring allows transponder cabinets to communicate with the FACP even in the event of an open circuit somewhere in the loop. Class A wiring requires that two wires are routed from the CPU motherboard to each RIC, and then back again to the CPU motherboard.

Class B wiring allows “T” tapping, and therefore requires less wiring distance per installation than Class A. Additionally, Class B wiring does not require end-of-line resistors, because each RIC communicates directly to the CPU.

Make sure these prerequisites are accounted for before wiring:

•AS1670 allows the loss of a maximum of 40 detectors/addressable devices to be caused by a single fault.

•All transponder cabinets are installed within 2500 feet (762 m) of the FACP.

•Conductors test free of all grounds.

•All wires are between 12 (3.309 mm2) and 18 AWG (0.8321 mm2), or as the local code dictates.

To connect the RUI card to RICs using Class A wiring, read the following instructions and refer to Figure 3-7, on the next page.

1.Route wire between 0.75 mm2 and 4 mm2 from the + (TB1-8) and - (TB1-6) terminals on the Comms “A” block of the 562-856/565-217 RUI card to the TB1-8 (+) and TB1-6 (-) terminals on the 565-233 RIC.

2.Route wire from the first RIC to the next one. Repeat for each transponder cabinet within 2500 feet (762 m).

3.Route wire from TB1-7 (+) and TB1-5 (-) on the last RIC to + (TB1-4) and - (TB1-2) on the Comms “B” block of the 562-856/565-217 RUI card.

To connect the RUI card to RIC II cards using Class B wiring, read the following instructions and refer to Figure 3-7, on the next page.

1.Route wire between 0.75 mm2 and 4 mm2 from the + (TB1-8) and - (TB1-6) terminals on the Comms “A” block of the 562-856/565-217 RUI card to the TB1-8 (+) and TB1-6 (-) terminals on the 565-233 RIC.

2.Route wire from the first RIC to the next one. Repeat for each transponder cabinet within 2500 feet (762 m).

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