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
| Model | H | W | D |
| KJ-1 | 487 | 254 | 187 |
| KJ-2 | 563 | 330 | 187 |
| KJ-3(48-88) | 623 | 382 | 226 |
| KJ-3(>88) | Standard Cabinet | ||