1.1550nm laser system Optical transmitter/receiver equipment
A. 1550nm laser optical transmitter
B. EDFA -1550 Erbium-Doped Fiber Amplifier

2.1310nm laser system Optical transmitter/receiver equipment
A. 1310nm laser optical transmitter
B. 1310nm laser optical receiver/nodes
C. 1310nm laser return path receiver
D. 1310nm Laser Relay Station

1. Summary
Be important equipment to set up CATV HFC networks, and primarily used for TV video signal, digital TV signal, telephone voice signal and data(or compressed data) signal long-distance fiber transmission. The product use import high performance DFB laser transmitter as light source, RF drive adopts RF power digital automatic process technique and advanced RF pre-distortion circuit developed by our company and built-in perfect microprocessor automatic monitor system insure the excellent function of the product.

2. Performance Characteristic
Adopt word-famous company advanced DFB laser instrument; Max output optical power reach 30mW.
Add advanced RF pre-distortion circuit, to use as proofreading CATV system most important CTB and CSO index, and to improve C/N index.
Adopt RF digital automatic control technology. It can automatically adjust drive level and make C/N, CTB, CSO index always in best state based on input RF level, number of channels.
Adopt high performance Gallium Arsenide RF amplifier, let index higher.
Built-in perfect power output automatic control circuit and laser thermoelectricity refrigeratory temperature automatic control circuit, insures highest output index and longest life.
Built-in microprocessor automatic control circuit makes DFB laser always in best work state.
Front panel blue VFD display, shows various main work status parameters and realizes automatic fault alarm and network management monitor.
Field (I) model built-in big power thermostat may allow work environment difference in

1310nm DFB series laser tranmitter, FUJITSU brand laser,
4mW: USD ***/Pcs.
8mW: USD ***/Pcs.
12mW: USD ***/Pcs.
16mW: USD ***/Pcs.
18mW: USD***/Pcs.