Motorola SG 2000 Instrukcje Operacyjne Strona 45

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AT&T SLW2500 Installation and Operation Manual
Appendix A
Specifications
Specifications for the SLW2500 are valid over the given bandpass and operating temperature
range listed in this section. The current catalog may contain additional information not provided
below.
Table A-1 lists the optical characteristics for the SLW2500 node:
Table A-1
Optical Characteristics
Parameter Specification
Optical wavelength 1310 ±20 nm through 1550 ±30 nm
Received optical power
minimum
maximum
–3 dBm
+2 dBm (continuous)
Optical input return loss 40 dB minimum
Equivalent input noise current 8 pa/Hz
1/2
Table A-2 lists the station RF characteristics for the SLW2500 node:
Table A-2
Station RF characteristics
Parameter Specification
Forward passband frequency 54 MHz through 870 MHz (dependent upon split)
Return passband, each port 5 MHz through 48 MHz (T-split)
Return loss 16 dB
Minimum full gain
RF amplifier
Gain control range
42 dB
8 dB
Operational gain
RF amplifier
38 dB
Flatness over passband ±0.75 dB, all ports
Operational tilt (standard) 870 MHz: 16 dB ±1 dB (standard)
(plug-in equalizers available)
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