GSM-R analog optical fiber repeater near end machine

Product features             - (1) GSM-R fiber optic repeater is an important part of GSM-R system, which is widely used in mountain area and tunnel.Ticom Tech has participated in formulating the GSM-R AP industry standard and provides a variety of analog and digital optical fiber repeater products. 

 (2) Tucom GSM-R fiber optic repeater products             Model              Description             TGZ-R             common type (applicable to the line below C2)             TGZ-RG            high speed rail type (with interlaced coverage function and is suitable for C3 line)             TDZ-R             digital repeater, with function of leaky cable monitoring and environmental dynamic monitoring          TDZ-R0             digital repeater            TDZ-R1             digital repeater with function of leaky cable monitoring              TDZ-R2             digital repeater with  function of environmental dynamic monitoring 

 (3) the features of TGZ-RG type GSM-R high speed optical fiber repeater: 1 near end machine can drag 16 remote machines             It adopts single fiber optic module with functions of parameter query and setting, and fault location.           Modules have redundant backup functions             It has transparent Ethernet transmission channels and interfaces, and supports remote monitoring center management 

 Operating frequency range: ：885M～889MHz；DNLink：930M～934MHz

Maximum output power of downlink: single port is 5W/per path, dual port is 2W/per path, error range is 1dB             control range of downlink output power : control range        

 Downlink output power detection: range + 20 dBm ~ Pmax; precision ±1.5dB

The ALC control range:≤±2dB

Gain:            

 The maximum gain value should not be more than 50 dB, and the maximum nominal gain error is not more than ±1dB           

 The gain adjustment range: ≥20dB           

 Passband Ripple: ≤1dB (peak value)            

Noise coefficient:            

 The noise coefficient of single RF output port equipment: ≤4dB; The noise coefficient of double RF output port equipment ≤7dB.            

Out- of -band suppression:             When the deviation edge frequency is no less than 5MHz, out- of -band suppression is no more than 30dB. Optical path loss:            

 Maximum allowable value of optical path loss≥10dB 

Power adaptability:            

 DC power supply: DC power supply is -48V (range of fluctuation: -38V～-58V)            

AC power supply: AC power supply is AC220V/50Hz            

The light output power:≥ 0dBm