Tyco 4100U installation manual SPS IDNet Wiring, Continued, 7.Class B Wiring

SPS IDNet Wiring, Continued

Class B Wiring	To connect addressable devices/detectors to the SPS IDNet using Class B wiring, read the
	following instructions.
	1.	Under AS1670.1 Class B wiring is allowed only for a maximum of 40
		addressable devices.
	2.	A ferrite bead is required on the SPS IDNet cable.
	3.	On TB1, jumper B+ to A+, and jumper B- to A-.
	4.	Route wire (between 0.75 mm2 and 4 mm2) from the B+, B-.

The illustration below shows Class B wiring.

IDNet LINES TO DEVICES

(CLASS B / STYLE 4)

Ferrite bead required.

B+ B- SHLD A+ A-

IDNet

3

2P1

1

Figure 7-7. Class B Wiring

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