Auto-dial waterproof phone
*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
*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.
* Remote testing programmable optional
* DTMF(Dual Tone Multi Frequency)
* Matching with most PABX, PBX and PAX systems.
1. Cabinet: aluminum alloy diecasting,high antiviolent, able to glisten,
convenient for looking for.
2. Without keypad, auto-dial phone.
3. Door cover: orient automatically and good self-closing,convenient for use.
4.Handset: made of special engineering plastic,high antiknock resistance,high
tensile strength resistance and high anti-violent.
5.All of the components including handset telephone receiver and transmitter,
buzzer,circuit board and cabinet are designed to be multilayer waterproof and
dustproof which is up to Class III grade. The whole machine is up to national
standard GB4208-93 IP 66.
6. Phone is provided with high stability,high antijamming capability,and it is up
to national standard GB/T 15279- 94.
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%
Atmospheric 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 signallevel: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 i
ntermodulation of harmonic wave is lower than the basic level by at least
5. Call transmission index: (5KM),SLR≤12,RLR≤1,STMR≥10, utput impedance
6. Telephone line powered. No external power or battery back up required.
7. Lightening protection to ITU-T recommendation K.21
8. Handset: made of special engineering plastic, high antiknock resistance,
Weatherproof, armoured cable optional,
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
11. Easy installation/ replacement
EN55024:1998 + A1:2001 immunity
ITU-T recommendations K.21 (07/2003)
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