KNZD-23 Bank service phone
The lcd bank service phone is a case of cold-rolled steel with a strong, non-wearing and long service life. The bank telephone has built-in automatic dialing function, and there can be up to four groups of speed dials. The LCD display helps users make better use of the bank service telephone.
Main Product features
1.Cold rolled steel bodt,solid and temperature bearable.
2.High durability,oil,acid,alkali resistance,conform to the standards of GJB-773 and UL1332 requirements.
3.With keypad and handset,normal phone call.
4.With LCD time indicator(It starts to count time after hook off)
5.Highly integrated mainboard,using the most advanced industry-specific microcontroller made in ATMEL company.
6.The box with earthing device is completely isolated with internal electric ciruit,and has certain electromagnetic shielding effect.
7.Conversation with clear loud voice,no feedback screaming.
8.Support hotline of exchange system.
9.Support the function of exterior line automatic lift.
10.Dual purpose design for wall or dest mounting,simple installation.
11.Strong,thick and beautiful body with embed wall design.
How to store number:
Machine size:380 *230 *85( mm )
Carton size:439 *277 *191( mm )
Packaging material: pearl cotton, carton
1.It is suitable for automatic instrution amplification telephone system when feed voltage reaches to 33-60v.
6.Double audio dialing.
8.Low frequency group:697,770,852,941Hz.
9.High frequency group:1209,1336,1477Hz.
11.The signal level when the lenght of user's line is 3 km.
12.Standard frequency:Low frequency group:-9db.
13.Hight frenquency group:-7db±3db.
14.Level difference frequency high and low frequency of combined signal:2±1db.
15.The total intermodulation distortion caused by harmonic is 20db lower than wave level.
16.Call transmission index:(5KM)SLR≤12,RLR≤-1,and STML≥10,Input impedance:600Ω.
1.Well treated PCB used inside the phone.
2.Robust screw terminals used for the connection of ringer,handset,line in,hookswitch.
3.Selectable 7 minute time out,to release the line if the handset is left off hook.
4.All connectors be greased in production.
1.Kirk electro dynamic transducer for both handset transmitter and receiver.
2.Spring cable or armoured cable to attach the handset to the telephone main unit.
3.Stainless steel cable to connect exchange.
4.Inductive coupler fitted for hearing aid compatibility.
5.Handset integrity wiring to enable exchange to check if the phone is still operational.
VOIP OVER IP-SIP(Version)
Connection type:Rj45 Socket inside sealed enclosure
Power supply:External 5V dc
Call set-up Protocol:Session Initiation Protocol(SIP)
Configuration:DHCP or STATIC IP address provisioning
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