APPLICATION
Inside prisons, labor camps, drug rehabilitation and other intercom, communication and other places which need monitoring.
TECHNICAL PARAMETERS
| Signal voltage | DC220V |
| Standby work current | ≤1mA |
| Frequency response | 250~3000 Hz |
| Ringing level | ≥80dB |
| Protection class | IP65 |
| Corrosion grade | WF2 |
| Ambient temperature | -40~+60℃ |
| Atmospheric pressure | 80~110KPa |
| Relative humidity | ≤95% |
| Lead hole | 1-Ø15 |
| Machine weight | 3kg |
| Installation | Wall-mounted |
The Desktop telephone is an answering phone designed specifically for industrial complex situations. The industrial telephone uses cold-rolled steel as a metal casing, and the telephone has anti-corrosion and anti-destructive properties. Rugged, long-life, the best choice for industrial telephones.The desktop industrial telephone will be designed to work on railway, metro, tunnel, etc. Housed in robust aluminium box with one CALL/ ANSWER button, it will offer protection against the outdoor environment and vandals.The unit will meet all the latest European/UK standards telephony, waterproofing IP65, and lightening protection together with offering the level of performance and reliability demanded in such an environment.We are the manufacturer of Very easily operated Rugged Industrial desktop telephone help point emergency calling telephone for hospital or other public place.
+DTMF(Dual Tone Multi Frequency)
+Matching with most PABX,PBX and PAX systems.
+Hotline call, As soon as you pick up handset the phone will put through.
Characteristics:
+ Robust Metal body very strong.
+With or without keypad. Auto dial,
+LED indicator to inform you there is a coming call
+Robust and weather resistant, Wearable and moisture proof IP65
+Dual purpose design for wall or desk mounting, simple installation
+Industry standard robust handset with stainless armoured cord
+Well treated metal hook switch.
+Matching with most PABX, PBX and PAX systems. Standard RJ11 Connector
TECHNICAL SPECIFICATION
1.It is suitable for automatic instrution amplification telephone system when feed voltage reaches to 33-60v.
2.Environmental temperature:-30℃-60℃.
3.Relative humidity:10%-95%.
4.Atmospheric pressure:86-106kpa.
5.Environmental noise:<=80db
6.Double audio dialing.
7.Standard frequency:697,770,852,941Hz.
8.Low frequency group:697,770,852,941Hz.
9.High frequency group:1209,1336,1477Hz.
10.Frquency offset:≤±1.5%.
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.
