Summary:
Optical work station 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.
Detailed Product Description
1.high-sensitivity detector
2.low-noise DFB return laser
3.Imported amplifier module
4.net management responder
2.low-noise DFB return laser
3.Imported amplifier module
4.net management responder
Features
1. high-sensitivity optical detector
2. low-noise DFB laser for return
3. low-noise PHILIPS push-pull amplifier module at forward stage and PHILIPS power-doubled amplifier at the backward stage( designed according to users requirements)
4. With plug-in combining filter, fixed attenuator, on-line test port, to make the modulation more convenient
5. With four high-level outputs and low distortion
6. with one forward receiving module and one reverse transmitting module
7. modularized design for the internal devices for easier upgrading and maintaining
8. High-reliability switch power supply, strict anti-thunder system
9. 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
10. Net management responder can be installed to have the intelligent net management function
11. Water-proof aluminum-cast shell and nice heat loss function
TECHNICAL PARAMETERS:
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Items
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Units
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Parameters
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Forward optical receiving part
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|||
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Optical parameters
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Optical receiving power
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dBm
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-6~+2
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Optical wavelength
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nm
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1290~1570
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Return loss
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dB
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≥45
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Optical connector
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FC/APCSC/APC
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Optical fiber
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Single
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Link parameters
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C/N
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dB
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≥51
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C/CTB
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dB
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≥65
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C/CSO
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dB
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≥60
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RF parameters
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Frequency rage
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MHz
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45/87750/862
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Flatness in band
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dB
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±0.75
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Output level
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dBuV
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≥108
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Input return loss
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dB
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≥1645-550MHz;
≥14550-862MHz
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Output impedance
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Ω
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75
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Reverse optical transmitting part
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|||
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Optical parameters
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Optical wavelength
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Nm
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1310±10
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Optical output power
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mw
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1-2
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Optical connector
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FC/APC or SC/APC
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RF parameters
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Working frequency
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MHz
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5-30/42/65according to users requirements
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Flatness in band
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dB
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±0.75
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Input level
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dBuV
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7585
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Input return loss
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dB
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≥16
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Output impedance
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Ω
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75
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Noise-power ratio(NPR)
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dB
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≥10NPR≥30
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Common indexes
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|||
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Working temperature
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-40~60
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Working voltage
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V
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35~90 or 135270AC 50Hz
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Storing temperature
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-4065
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Relative humidity
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%
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Max 95 no condensation
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