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ONS-SC-2G-40.5 Overview

The Cisco ONS 2.5-Gbps fixed-rate OC-48/STM-16 DWDM optics provide both transmit and receive optical interfaces in a single SFP footprint pluggable into any of the four ASAP 4-PIO slots. Each port interface operates at the standard SONET/SDH (Telcordia GR-253-CORE, ITU G.703 and ITU-T G.694.1) 2488.32-Mbps bit rate. The Cisco ONS 2.5-Gbps fixed-rate OC-48/STM-16 DWDM SFP uses a duplex LC connector on the SFP faceplate that is routed through a fiber tray on to the cable-routing module for termination. The Cisco ONS 2.5-Gbps fixed-rate DWDM SFP carries both concatenated payloads of STS-3c/VC-4, STS-6c/VC-4-2c, STS-9c/VC-4-3c, STS-12c/VC-4-4c, STS-24c/VC-4-8c, and STS-48c/VC-4-16c and nonconcatenated payloads on an STS-1 basis. In SONET mode, each optical port can be provisioned as STM-16 to enable the tunneling of SDH payloads in the form of STS-Nc concatenated payload over a SONET network. This helps enable North American service providers to transport SDH traffic from international cable landing points to customer sites. When operated within the outlined specifications (refer to Table 5), each port interface transports a 2.5-Gbps signal with a minimum BER of 10E-12. The Cisco ONS 2.5-Gbps fixed-rate OC-48/STM-16 DWDM SFP provides 32 wavelengths in the ITU-T G.694.1 C-Band channel plan.