39
Version 10.6.3
Operating Manual
Analog telephone unit
PT-1А
Description:
Provides telephone communication service with VAS.
Features:
Equipped with three-step volume regulator (loud /quiet /
off) of call signal
Equipped with dialing mode selector (tone /pulse)
Equipped with buttons to control a receiver speaker volume
Technical specifications:
Casing material: plastic
Power supply: from telephone line
Max. power consumption: 4 W
Dialing mode: tone / pulse
Operating temperature: -15 °С…+55 °С
IP rating: IP20
Weight: 0.8 kg
Mounting type:
Desk-top
Hinged
Connection diagram: see Figure B.1