Cisco ONS 15501, User Manual

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Cisco ONS 15501 User Guide
78-14134-01, Release 1.0
Chapter 1 Product Overview
Optical Specifications
Optical Specifications
Table 1-1 lists the Cisco ONS 15501 optical specifications. For other technical specifications, see
Appendix A, “Technical Specifications.”
Key Features
The Cisco ONS 15501 has the following key features:
• Constant flat gain of 17dB over the 1530 to 1563 nm band
•
Optimized automatic gain control for the MAN
• Variable gain for flexibility in network design
•
Typical transient suppression within 50 microseconds
•
Low noise figure of < 6.0 dB
•
Input power range of -29 to 0 dBm
• Network management
Table 1-1 Cisco ONS 15501 Optical Specifications
Description Specification
Wavelength range 1530 to 1563 nm
Input power range -29 to 0 dBm
Saturated output power 17.3 ± 0.3 dBm
Noise figure < 6.0 dB
Nominal gain +17 dB
Gain flatness < 1.5 dB
Settable variable gain 17 dB - 7 dB
1
1. Gain flatness is <1.5 dB for 17-13 dB; <2.0 dB for 7-13 dB.
Automatic gain control accuracy ± 1.0 dB
Transient suppression response time 50 microseconds
Backward ASE (amplified spontaneous emission) power < -25 dBm
PMD (polarization mode dispersion) < 0.6 ps
Mode of operation Unidirectional
Optical return loss > 27 dB
Input and output isolation > 30 dB
Polarization sensitivity < 0.5 dB