Tyco 4100U-S1 installation manual Appendix C Checking System Wiring

Appendix C: Checking System Wiring, Continued

Meter Readings	Table C-1 lists the correct meter readings for indicating appliances and initiating devices.
		Table C-1. Acceptable Zone and Signal Circuit Meter Readings
		Circuit Type	Meter Reading
		Class B/Style B Initiating Device (Zone) Circuit

From zone + to zone – (each zone)

From zone + to ground

From zone - to ground

3.3K Ohms Infinity Infinity

Class A/Style D Initiating Device (Zone) Circuit

From zone + to zone – (each zone)	Infinity
From zone + to ground	Infinity
From zone - to ground	Infinity
From zone + OUT to + IN	Less than 50 Ohms
From zone - OUT to - IN	Less than 50 Ohms
Class B/Style Y Notification Appliance Circuit (each signal circuit)
From + to ground	Infinity
From - to ground	Infinity
Resistance across circuit:
In one direction	10 K Ohms
In opposite direction	Less than 200 Ohms
Class A/Style Z Notification Appliance Circuit (each signal circuit)
From + to ground	Infinity
From - to ground	Infinity
From zone + OUT to + IN	Less than 50 Ohms
From zone - OUT to - IN	Less than 50 Ohms
Resistance across circuit:
In one direction	Infinity
In opposite direction	Less than 200 Ohms
Shielding
Shield to ground	Infinity
Shield to -	Infinity
Shield to +	Infinity
MAPNET/IDNet II Loops (ZAMs and IAMs)

From MAPNET/IDNet II + to ground

From MAPNET/IDNet II - to ground

Infinity Infinity

C-2