□ You are here:  Home >>> Revelation >>> First >>> HD-2000 Large Optical Node 1 2 3

	HD-2000 Large Optical Node                 Introduction         HD-2000 optical node is a CATV bidirectional    product which completes the transmission process    from optical wave to RF and from RF to optical    wave. It has 4 individual output ports with high    level. The output level of each port can reach    110dBuV with an interface of network monitor that    can transfer the each output level, receiving op-    tical power, transmitting optic power, power vol-    tage. Working currents, working status of recei-    ver and transmitter, working temperature ect. to    the headend through network monitoring module as    well as controlling the return-way on or off to    resist the interference from side wave. The node    offers 2 way optical receiver and 2 way optical    return path transmitter. In addition, ingress s-    witching capacity via headend control allows the    operator to identify and isolate ingress problems    and mitigate the effects.       This product is designed in module. It's very    convenient to upgrade system, change unit parts    and maintain.	Features   Working bandwidth of 750、860MHz,1GHz working pla-   tform, easily upgrade. Using Philips 860MHz optical receiving module at   the forward and Philips powerful module at backwa-   rd to ensure high function of linearity. Double spare optical receiver modules at forward,   interchanging automatically. Double spare optical transmitter modules at return   way, interchanging automatically. Redundant powering capability 10A power passing. Compatible with 1310nm and 1550nm. 4 individual RF output with high level(110dBuV   each). Status monitoring, 4 return-ways can be shut-off   to resist interference from side waves. Customer configured for unique system requirements Better quality, lower price.   Specifications   No.    PARAMETER UNITS    REFERENCE   NOTE  1  RF Bandwidth MHz Return Forward 可按用户要求订做  5∽35 45∽860  5∽40 50∽860  5∽65 87∽860  2  RF Return Loss  dB      ≥16    3   Optical Wavelength  nm    1290-1580    4  Optical Return Loss  dB      ≥45    5 Received Optical Power  dBm     +2--5    6 RF Output Level dBuV   110(GaAs) 0dBm光输入四路RF输出  7  Gain Control  dB Fixed pads 0∽15dB② 1dB/档  出厂设置0dB