System Outline
18
Installation Manual
System Data
Station Loop Limit KX-T7531/KX-T7533/KX-T7536/KX-T7230/
KX-T7235/KX-T7250
Single Line Telephones KX-TD7310/KX-TD7315
Doorphones
40
600 including set
20
Minimum Leakage
Resistance
15,000
Maximum Number
of Station
Instruments Per
Line
1 for a KX-T7531/KX-T7533/KX-T7536/KX-T7230/KX-T7235/KX-T7250
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
110-240 V AC, 50/60 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
0-40 °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 CO lines and the KX-TD61260/KX-TD61261 for
expansion of doorphones.
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
Item
Description
