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Appendix
User Manual 243
System Data
Maximum Number
of Station
Instruments Per
Line
1 for a digital proprietary telephone or a single line telephone.
2 for by parallel connection of a digital proprietary telephone and a single line
telephone.
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
Limit
1,600 max.
Environmental
Requirements
0 °C-40 °C, 10 %-90 % relative humidity (no condensation)
Door Opener 60 V DC, 1 A (max.)/40 V AC, 1 A (max.)
Second Ringer
Relay
60 V DC, 1 A (max.)/40 V AC, 1 A (max.)
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.
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
Item Description