Ecvv Trade
Zibo Best Optical Communications Co., Ltd.

China Manufacturer with main products: Optical Transmitter, Optical Receiver, EDFA, Trunk Amplifier, User Amplifier, Branch Distributor, Optical Relay Station, Optical Station

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Field Optical Work Station (BESTOS-2500)


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Specifications

 

Summary:
OS-2500 is field bidirectional optical receiving equipments, developed and researched especially for metropolitan area networks; with building block design for the whole structure, and nice flexibility to meet user’s networks requirements; with excellent detecting circuit, networks system which is compatible with HMS standards, and to monitor the networks through network responder.
Features:
1)Adopt the high-sensitivity optical detector at the receiving parts, low-noise DFB laser at the reverse transmitting part, low-noise PHILIPS push-pull amplifier module at forward stage and PHILIPS power-doubled amplifier at the backward stage( designed according to users’ requirements)
2)With plug-in combining filter, fixed attenuator, on-line test port, to make the modulation more convenient
3)With four high-level outputs and low distortion
4)Four independent forward and reverse channels, which can be modulated independently
5)Modularized design for the internal devices for easier upgrading and maintaining
6)High-reliability switch power supply, strict anti-thunder system, to make sure that the unit can operate stably through a life-long time
7)Inset excellent channel separation circuit to reduce to the mini rate the cross talk of the forward signal, backward signal and the net management signal
8)Net management responder can be installed to have the intelligent net management function(this function is reserved for users)
9)Structural techniques is compact and reasonable ,with high-stability performance and convenient modulation
10)Water-proof aluminum-cast shell and nice heat loss function can make the unit work in terrible surroundings
 
Parameters
Items
Units
Parameters
Forward optical receiving part
Optical parameters
Optical receiving power
dBm
-6~+2
Optical wavelength
nm
1290~1600
Return loss
dB
≥45
Optical connector
 
FC/APC or SC/APC
Optical fiber
 
Single
Link parameters
C/N
dB
≥51
C/CTB
dB
≥65
C/CSO
dB
≥60
RF parameters
Frequency rage
MHz
45/87~750/870
Flatness in band
dB
±0.75
Output level
dBuV
≥108
Input return loss
dB
≥16(45-550MHz);
≥14(550-870MHz)
Output impedance
Ω
75
Reverse optical transmitting part
Optical parameters
Optical wavelength
Nm
1310±10
Optical output power
mw
1-2
Optical connector
 
FC/APC or SC/APC
RF parameters
Working frequency
MHz
5-30/42/65(according to users’ requirements)
Flatness in band
dB
±0.75
Input level
dBuV
75~85
Input return loss
dB
≥16
Output impedance
Ω
75
Noise-power ratio(NPR)
dB
≥10(NPR≥30)
Common indexes
Working temperature
-40~60
Working voltage
V
35~90 or 135~270(AC 50Hz)
Storing temperature
-40~65
Relative humidity
%
Max 95% no condensation
Power consumption
W
≤60

Service Process

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  • Deposit Service Commitments

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    After paying a deposit, if the purchasing order is not completed because of unsatisfied ECVV services, ECVV will refund your deposit.

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