KNZD-05 vandal proof phone
vandal proof telephone for inmate phone calls purpose. made of metal body. The vandal proof telephone is rugged and durable. The public vandal proof phone widely use in Jail and prison for inmate calls. The vandal proof phone are strong. The inmate can put money on phone for inmate calls.
1. With auto-dial function ( also can set with four groups speed-dial number according to requirements)
2. Storage number can be modified freely.
3. With total function of normal phone
4. Vandal resistant and tamper-resistant hardware
5. Applicable for all the environment either unattended or attended
- Caller ID
- Dialing number
- Conversation time counting
- Imput bank card number
- Can add or Minus function according to buyer’s need.
How to clear out number:
1. Open phone box, put the switch “1” to “ON” side on the PCB mainboard.
2. Connect telephone line and pick up the handset
3. Press the storage key (which have stored the number) twice.
4. Put the handset back on hook and put the switch “1” back to “1” side.
Main Product features
1.Robust aluminium alloy die-cast body.
2.Full keypad with memory,10 button or 4 button programmable speed-dial telephone,Iiluminated button optional.
3.Weatherproof standard, service temperature range from:0°C to +75°C.
4.Magnetic reed hook-switch.
5.Telephone Line powered.No external power or battery back up required.
6.Lightening protection to ITU-T recommendation K.21.
7.Handset:made of special engineering plastic, high anti-knock resistance,Weatherproof,armoured cable optional.
8.Hearing Aid compatible receiver,Noise canceling microphone.
9.Handset integrity wiring to enable the telephone system to check if the telephone unit is still operational.
10.Selectable 7 minute time out,to release the line if the handset is left off hook.
11.Vandal resistant and tamper-resistant hardware.
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
Machine size:280 *148 *130( mm )
Carton size:340 *235 *165( mm )
Packaging material: pearl cotton, carton
1.Applicatble for various types of SPC exchange and dispatching exchange system with feeding voltage of 33v-60v.
2.Ambient temperature:-30°C-70°C Relative
3.Sound level of ringing:>=70dB(A).
4.Standard frequency:low frequency group:697,770,852,941Hz,high frequency group:1209,1336,1477Hz,frequency deviation : <=+-1.5%,if service line is a 3km
signal-level: Standard frequency:low frequency group:-9dB+-3dB,high frequency group: -7dB+-3dB,level difference between low and high frequency of conpound signal:2+-1dB,
the total distortion caused by intermoudulation of harmonic wave is lower than the basic level by at least 20dB.
5.Call transmission index:(5KM)SLR<=12,RLR<=-1,STMR>=10,output impedance is 600Ω.
6.Super strong function is avaiable for dialing 12 groups of numbers stored in the memory.(maximum length of each store number is 16 digits)