Panasonic KX-TD612NZ user manual System Data, 243

		Appendix
Item		Description
Maximum Number	1 for a digital proprietary telephone or a single line telephone.
of Station	2 for by parallel connection of a digital proprietary telephone and a single line
Instruments Per	telephone.
Line
Ring Voltage	80	Vrms at 25 Hz depending on the Ringing Load
Primary Power	110 V AC-240 V AC, 50 Hz/60 Hz, 58 W (max.)
	(When power is off by the power switch: 1.2 W)
Backup Batteries	Total voltage: 24 V DC
	Maximum current: 2.3 A
Central Office Loop	1,600 max.
Limit
Environmental	0 °C-40 °C, 10 %-90 % relative humidity (no condensation)
Requirements
Door Opener	60	V DC, 1 A (max.)/40 V AC, 1 A (max.)
Second Ringer	60	V DC, 1 A (max.)/40 V AC, 1 A (max.)
Relay
External Relay	60	V DC, 1 A (max.)/40 V AC, 1 A (max.)

*Install the KX-TD61280 for expansion of ISDN (BRI) CO lines, the KX-TD61281 for expansion of an analogue CO line and the KX-TD61260 for expansion of doorphones.

*When an analogue CO expansion card is installed, the maximum connection of a doorphone or a door opener is 1 for each.

System Data

Item	Maximum Quantity
Operator	2
System Speed Dialling	500
Station Speed Dialling	10 per extension
Call Park Areas	10
Toll Restriction Classes	8
Extension Groups	8
Class of Service	8
Hunting Group	32

User Manual 243