China Laser Relay Station

1. Product Summary
AM1310nm field laser transmitter (Relay station) is our featured product. With years accumulated HFC network engineering practice and equipment development experiences, specifically developed for 1310nm field optical emission or optical relay transmission. The successful development of this product provides an economical and practical solution for the 1310nm field optical emission or optical relay transmission in CATV engineering practice.

2. Performance CharacteristicsPhotoelectric conversion part adopts the latest imported brand-name optoelectronic integrated receiver module; Optical emission part adopts the latest imported brand high performance DFB laser; provide high quality signal transmission for the CATV network.Build-in RF driver amplifier and control circuit to ensure the low noise and intermodulation index; and can output two ways high quality RF signal to cover the local users. Perfect and reliable optical power output stabilizing circuit and built-in high-power electric heating cooler, enable the working ambient temperature difference up to ± 40 ° C, ensure the best performance of the machine and the long life steady operation of the laser. LCD status display, the main working parameters are clear at a glance.Compact and reasonable process structure, convenient installation and debugging, stable and reliable performance. The equipment can work steadily outdoor under bad environmental condition, because of large cast aluminium waterproof case, high reliability switching power supply and strict lightning protection system.
3. Technique Parameter

ItemUnitTechnical ParameterOptical receiving partInput Optical Powermw0.3~1.6(-5dBm~+2dBm)Optical Connector Type FC/APC or SC/APCOptical Return Loss dB>45Frequency RangeMHz47~862Flatness In BanddB±0.75RF Output LeveldBμV≥96(when the input optical power is-2dBm)Level Adjustment RangedB0~15RF Characteristic ImpedanceΩ75Return LossdB≥ 16(47~550)MHz;≥ 14(550~750/862MHz)C/CTBdB≥ 65C/CSOdB≥ 60C/NdB≥ 51AGC Control RangedB±8MGC Control RangedB±8Optical emission partOutput Optical PowermW4, 6, 8, 10, 12, 14, 16 or specified by the userOptical LinkdBDefined according to optical powerOptical Modulation Mode Direct optical intensity modulationOperating Wavelengthnm1310±20Optical Connector Type FC/APC or SC/APC,SC/UPCChannel Number 84C/NdB≥51C/CTBdB≥65C/CSOdB≥60RF Input LeveldBμV75~85(Input level used as optical transmitter)Input Laser LeveldBμV93~98(Laser input level used as relay station)Flatness In BanddB±0.75

Generic characteristicPower VoltageVAC:(85~250V)/50 Hz or(35~75V)/50HzConsumptionW<75Operating TemperatureºC-25 ~ +50Storage TemperatureºC-20 ~ +65Relative Humidity%Max 95% No CondensationDimensionmm537(L)X 273(W)X220(H)

Optical link carrier to noise ratio degradation table

link loss(dB)
Optical power456789101112131415164mW53.852.851.851.050.149.248.26mW53.052.051.050.149.148.1 8 mW 52.851.951.050.149.148.210 mW 52.951.951.050.149.148.2 12 mW52.751.850.849.949.048.0 14 mW 52.451.550.549.548.647.816 mW 52.051.050.149.148.1

Flow Chart