IP67 Weatherproof Telephone Lightning Protection , Railroad Tele Phones
 
 
Quick Detail:

 
 
Description:
 
Defend grade: GB 4208-93 IP 66 / IP 67
Call capability of phone: GB/T 15279-94
Application scope: metro, light railroad, speedway, ship, mine, etc.
External configuration specification:
External dimension: 320*205*120mm Weight: 5.5Kg 
Installment dimension:139*260mm M8 bolt is used to install
 

 
Packaging specifications
 
Machine size:320 *205*120( mm )     
Carton size:439 *277 *191( mm )
Packaging material: pearl cotton, carton
Gross weight:7.1KG
Net weight:5.3KG
 
 
Applications:
 
The phone is suitable for subway, highway, power plants, gas station, mine, dock, iron and steel company, large-scale projects such as the moisture proof, fire prevention, noise, dust, antifreeze, prevent destructive, such as an environment in which have special requirements.
 
 
Specifications:
 
1. Applicable for various types of SPC exchange and dispatching exchange system with feeding voltage of 48-60V.
2. Ambient temperature:-30 ~ +60 degree Relative humidity:10%~95%
Atmospheric pressure: 86~106Kpa Circumstance noise: less than 60dB(A)
3. Sound level of ringing: over 70dB(A).
4. Standard frequency: low frequency group:697. 770. 852. 941Hz,
high frequency group:1209. 1336. 1477Hz, frequency deviation:-1.5% ~ +1.5%
If service line is a 3Km signal - level:
Standard frequency: low frequency group:-12dB~-6dB, high frequency group:-10dB~-4dB, level difference between low and high frequency of compound signal:0dB~3dB, the total distortion caused by inter modulation 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 600 Ohm.
6. Super strong function is available for dialing 12 groups of numbers stored in the memory (maximum length of each number is16 digits)
 

 
 
Competitive Advantage:
 
the most professional manufacture in Asia
Cisco & Siemens ordered