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Mini Node Optical Receiver With WDM
Mini optical node with WDM Optical Node Feature Small housing High performance GaAs amplifier device 1310nm and 1550nm optional working window Optical Node Introduction Fiber to the home ( FTTH ) broadband access is the ultimate development goal, catv optical node receiver is the target terminal...
Fiber to the home ( FTTH ) broadband access is the ultimate development goal, catv optical node receiver is the target terminal products for this goal.
This device adopts technology of high isolation WDM in order to separate CATV and ONU signal. Further more, it also adopts low optical power receiving and RF-AGC control technique, whichcouldachieve the requirement of ≤-9dBmCATV receiving for FTTH.
The opticalpower receiving monitoring indicator LED ( ≥-15dBm) is provided on the pane and it supports RF outputs constantly, convenience of customers use, which isthe ideal receiver equipment for FTTH.
Optical Fiber Input
OPTICAL IN: It is input interface of optical signal,In optical access should clean APC TOP by alcohol ,than align adapter sunken mouth, fiber mouth march link;When optical signal accesses (≥-15dBm) then lights on in panel, whichshowsoptical part is regularly working;ONU is 1490/1310nm connection interface, please do not take off the cover before you use.
RF Output Level Adjustment
RF OUT:It is RF output port,when optical input -2~-9/-12/-15dBm,RF output 82/76/70dBuv±1;ADJ:it is RF Output levelattenuator, default value is the minimum.When the output level and the design requirements has any deviation, it can adjust the attenuation amount, with the design requirements. This device is low optical power receive, suggest-12 ~-9 dBm advisable.
Install Test Matter Need Attention
This device is indoor type structure,Not to be used in place of harassment by the rain;Packed in the box of the indoor appropriate space, for cooling;The output of the cable shielding network must be grounded,Grounding resistance should be less than 4 Ω,The local power supply for electrical shell has to be grounded,Above ground resistance.
Tail fiber input and output cable has to be reserved certain length,Reduce accident's occurrence; optical interface do not move if not use, This device is with LC/APC,do not link with LC/PC.
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