The Cisco®  CRS-1 Carrier Routing System offers unprecedented service flexibility, continuous system operation, and system longevity. The Cisco CRS-1 is powered by Cisco IOS®  XR Software - a unique self-healing, distributed operating system designed for always-on operation while scaling system capacity up to 92 Tbps. The innovative system architecture combines the Cisco Silicon Packet Processor, the first programmable 40-Gbps application-specific integrated circuit (ASIC), with the Cisco Service Separation Architecture for unprecedented service flexibility and speed to service. The Cisco CRS-1 marks a new era in carrier IP Communications by powering the foundation for network and service convergence today while protecting investments for decades to come.

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  SPECIFICATIONS

  Physical	• Occupies one PLIM slot In Box Dimensions: • Weight: 18 lbs • Height: 33 in. • Depth: 23 in. • Width: 10 in.
  Power Consumption	150 Watts
  Software Compatibility	Cisco IOS® XR Software Release 2.0 & 3.0 or higher for CRS-1 Cisco IOS XR Software Release 4.0.0 or later for CRS-3
  Protocols	• Packet over Synchronous Optical Network/Synchronous Digital Hierarchy (SONET/SDH) • RFC 1619/2615, Point-to-Point Protocol (PPP) over SONET/SDH • RFC 1662, PPP in High-Level Data Link Control (HDLC)-like framing • RFC 2615, PPP over SONET/SDH • HDLC

  Port Density	• One 16-port OC-48/STM-16 POS interface per physical layer interface module (PLIM) • All 16 ports can be configured with either short-reach (SR) or long-reach (LR) Small Form-Factor Pluggable (SFP) optics
  Optical Options	• Each port is configurable: • SR SFP - LC connector • LR SFP - LC connector • Optical specifications are detailed in Table 3 below.
  Layer1/Layer2	• Supports a maximum transmission unit (MTU) of up to 9188 bytes • POS channel is supported (up to 8 interfaces in hardware) • Layer 2 encapsulations: HDLC, PPP; no subinterface support • Error counts for B1, B2, B3 • Threshold-crossing alerts (TCAs), far end block error path (FEBE) for B1, B2, and B3 with threshold that can be set • Loss of signal (LOS), loss of frame (LOF), line alarm indicator signal (LAIS), path alarm indicator signal (PAIS), loss of pointer (LOP), line remote defect indicator (LRDI), path remote defect indicator (PRDI), signal failure (SF), signal degrade (SD), line remote error indicator (line FEBE), and path remote error indicator (path FEBE) • Performance monitoring - Error counts for B1, B2, B3, TCAs, and FEBE for B1, B2, or B3 with threshold that can be set • Synchronization • Local (internal) or loop-timed (recovered from network) • Stratum 3 clock accuracy over full operating temperature • Pointer activity monitoring • Local (diagnostic) and line (network) loopback • Payload mapping • 1 + X^43 self-synchronous scrambler • Power and input current monitoring
  Environmental	• Storage Temperature: -40°C to 70°C (-40°F to 158°F) • Operating Temperature: • Normal: 5°C to 40°C (41°F to 104°F) • Short term: -5°C to 50°C (23°F to 122°F) short term • Relative Humidity: • Normal: 5% to 85% • Short-term: 5% to 90% but not to exceed 0.024 kg water/kg of dry air Short-term refers to a period of not more than 96 consecutive hours and a total of not more than 15 days in 1 year. (This refers to a total of 360 hours in any given year, but, no more than 15 occurrences during that 1 year period.)

  
  

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