This telephone is compatible with most analog or digital telephone program-controlled switches. It is suitable for voice communication in various working environments, and can realize point-to-point (single-key) calls on public communication networks or private networks.
, Product Features
Stainless steel panel of the shell, strong anti-riot
All accessories such as receiver, buttons, buzzer, circuit board and shell adopt multi-layer waterproof and dustproof structure.
The phone has good stability, strong anti-interference ability, and complies with national standards/obtained certificates
Protection level
The phone can store multiple groups of numbers, and can automatically call the phone when the first group of numbers is busy or malfunctions. Automatic dialing group,
Due to customer requirements, it can also leave messages and have recording functions. When the customer's phone number changes or is shut down, the phone can remotely modify the original number without going to the site.
No Bringing trouble and inconvenience to users
The shell has a grounding device and is completely electrically isolated from the internal circuit, and has a certain electromagnetic shielding effect
The voice is clear and loud during calls, and there is no feedback whistling
Supports hotline calls and switches to enable the called party to automatically hang up. (Non-standard design)
The whole machine is ultra-thin, lightweight and beautiful, with wall-mounted design
and scope of application
A wall-mounted elevator telephone developed for commercial elevators and freight elevators. The main circuit is controlled by an industrial-grade microcontroller, with stable performance, high intelligence, and program upgradeability.
Technical parameters
◆Using conditions Ambient temperature ℃~+℃ Relative humidity~
Atmospheric pressure~Environmental noise
◆Ring sound level ◆Dual-tone multi-frequency dialing
◆ Pulse dialing: The on/off ratio of dialing pulses is number pulse speed times/second
◆Dual-tone multi-frequency dialing
Low frequency group frequency High frequency group frequencybr/> Frequency deviation low frequency group level
High frequency group dialing The difference between high and low levels in a flat frequency combination
The total distortion such as harmonics is at least lower than the fundamental wave level.
◆Call transmission index, input impedance
◆Electro-acoustic characteristics
Transmission loudness evaluation Value
+
+
Accept loudness rating value
Sidetone masking evaluation value
+
+
, operation usage
call function passed Set a specific number and press the button to make a call
Call function Press the call button to automatically enter the hands-free state. After the caller hangs up, the unit automatically hangs up. If there is more than 2 seconds of silence during the call, the unit automatically hangs up.
Call time limit in minutes
Installation method
Wall-mounted installation, reserve a suitable space on the wall to be installed, wall-mounted, just use a stainless steel machine screw to fix it
, Packaging specifications
Machine size**
Outer box size**
Packaging material pearl cotton, carton
Gross weight
Busy signal automatic hang-up telephone, automatic answering telephone