KJ-1 Auto Telephone Exchanger:

KJ-1 Auto Telephone Exchanger Function

KJ-1/2/3 Type Auto Telephone Exchanger

Two-user call, three-user call, cut in/off, Conference call, Remote control broadcast.

Call shoreline, Call from shoreline, Max user lines: 24/48/256

Technical Parameter

Signal tone: 450±25Hz Sine wave

Ringing current voltage: 75±10v 25±3Hz

Transmission loss: ≤2dB

Crosstalk loss: ≥68dB

Subscriber feedback voltage: 24V

Color: Green gray (RAL 6034)

Main power: AC220V±10%

Emergency power: From DC24V+30%to DC24V-25%

Max power loss: 60/80/200W

IP Class: IP20

Weight: 18/25/25KG

Mounting Size