Metro/Railway security Industrial telephone
*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,
*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. One or two button for emergency call and answer, keypad with
12key for normall out gong phone call or you can select 10key
(0~9) with memory for programing 10 group of speed-dial.
3. Door cover: orient automatically and good self -closing, self
protection when open the door, convenient for use. safety design
4. Weather resistant to IP66 standard, service temperature range
from:-30'C to +75'C
5. Magnetic reed hook-switch with handset optional.
6. Telephone line powered. No external power or battery back up
7. Lightening protection to ITU-T recommendation K.21
8. Hearing aid compatible receiver, noise canceling microphone.
9. Selectable 7 minute time out, to release the line if the handset
is left off hook, optional
10. Vandal resistant and tamper-resistant hardware,
11. Easy installation/ replacement
1. Applicable for various types of SPC exchange and dispatching
exchange system with feeding voltage of 48-60V.
2. Ambient temperature:-30'c~60'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 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.
6. Super strong function is available for dialing 12 groups of
numbers stored in the memory (maximum length of each store
number is16 digits)
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