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Time of Issue: Jun 7, 2011 14:30:53
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                      DTMF alert phone call system

*Designed to work on Railway, metro, tunnel,etc. 

*Housed in robust aluminium die case with spring loaded door,

 it will offer protection against the outdoor environment,vandals

 resistance and rot resistance.

* European/UK standards for EMC and US FCC, telephony,

waterproofing IP66, 

*Lightening protection together with offering the level of 

performance and reliability demanded in such an environment

*DTMF(Dual Tone Multi Frequency)

*Matching with most PABX,PBX and PAX systems.

 

Main Product features


1.  Robust aluminium alloy die-cast body,  

2.  Full keypad with memory, 10 button programmable speed-

dial telephone, Illuminated button optional


3.  Weather resistant to IP66 standard, service temperature 

range from:-30℃ to +75℃

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 antiknock

 resistance, Weatherproof, armoured cable optional,    

8.  Handset integrity wiring to enable the telephone system

 to check if the telephone unit is still operational.


9.  Selectable 7 minute time out optional, to release the line if

 the handset is left off hook.

10.  Vandal resistant and tamper-resistant hardware, 

11.  Easy installation/ replacement

 

TECHNICAL SPECIFICATION

1. Applicable for various types of SPC exchange and dispatching

 exchange system with feeding voltage of 48-60V.

2. Ambient temperature:-30'C~75'C Relative humidity:10%

~95%,autmospheric pressure: 86~106Kpa Circumstance 

noise:≤ 60dB(A)

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 compound signal: 2±1dB, the total distortion caused by intermodulation 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.

 

Certification:

EMC:

EN55022:2006 emissions

EN55024:1998 + A1:2001 immunity

Transients/Lightning

ITU-T recommendations K.21 (07/2003)

Ingress Protection:

GB4208-93 

IP66

FCC

 

Packing detail:

1pcs in each inner CTN box, size: 43.3 x 27.6 x 19.1   G.W: 6.6kg

4pcs in outer CTN box, size: 56.6 x 44.5 x42  G.W: 17kg

20GP: 1000PCS

40GP: 2000PCS

40HQ: 2200PCS

 

 



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