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With the pace of development of triple play, our Tv network and television oper
In recent years, hundreds of millions of residents of residential users demand
While large enterprises continue to develop its network scale is constantly exp
Power system has access points scattered field complex environment, the access
1. Optical wavelength division multiplexing (WDM) technology WDM (Wavelength Di
XYT-CWDM (Coarse Wavelength Division Multiplexing) sparse wavelength division m
EDFA in WDM systems can be used as a preamplifier, line amplifiers and power amp
In recent years, WDM technology mainly in two directions toward the ultra-long-r
At present, the main use EPON optical access network, or GPON, both up and down
OEO repeaters in long-distance optical fiber communication transmission system l
WDM metro and long-haul wavelength division due to the different needs of differ
EPON + LAN: IP services and CATV signals are transmitted to the user at home by
EPON system uses a single optical fiber 3-wavelength to transmit the whole busin
XYT’s high-speed, large-capacity WDM transmission system, the number of channel
CWDM system is widely used in the DWDM system. Because of that the advantages o
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