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Cisco OC-3/STM-1 Packet-over-SONET/SDH Line Card for Cisco 12000 Series RoutersThe Cisco OC-3/STM-1 Packet-over-SONET/SDH Line Card is a high-capacity, high-performance interface that is ideal for edge feature support and customer access...
Cisco OC-3/STM-1 Packet-over-SONET/SDH Line Card for Cisco 12000 Series Routers

The Cisco OC-3/STM-1 Packet-over-SONET/SDH Line Card is a high-capacity, high-performance interface that is ideal for edge feature support and customer access applications.

Cisco OC-3/STM-1 Packet-over-SONET/SDH Line Card for Cisco 12000 Series Routers




The Cisco OC-3/STM-1 Packet-over-SONET/SDH Line Card is a high-capacity, high-performance interface that is ideal for edge feature support and customer access applications. The four-port OC-3/STM-1 card may be ordered with multimode, single mode intermediate reach, and single mode long reach optics enabling customers to connect directly to fiber or traditional SONET/SDH solutions.





Feature Summary


Packet Layer Support




  • Multiple virtual output queues, eliminating head-of-line blocking

  • 512-KB burst buffers, which smooth out the arriving packet bursts

  • 64 MB/64 MB packet buffer memory for Transmission Control Protocol (TCP) goodput

  • Configurable with up to 256 MB of code and route table memory

  • A Cisco Express Forwarding (CEF) table that can accommodate up to one million forwarding entries

  • Application-specific integrated circuit (ASIC)-based queuing

  • Class of service (CoS) support

  • IP-based congestion management



SONET/SDH Layer




  • Standards compliant SONET/SDH interface

  • Alarm processing




    • 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), Path Remote Error Indicator (Path FEBE)




  • Performance monitoring




    • Error counts for B1, B2, B3

    • Threshold Crossing Alerts (TCA) for B1, B2, B3 with settable threshold




  • Synchronization




    • Local (internal) or loop timed (recovered from network)

    • 20 ppm clock accuracy

    • Pointer activity monitoring




  • Protection switching




    • Support both SONET APS and SDH MSP protocols




  • Local (Diagnostic) and line (Network) loopback

  • Payload mapping




    • IETF RFC 1619 Point-to-Point Protocol (PPP) over SONET/SDH

    • ATM 1 + X43 self synchronous scrambler






We prefer to ship UPS or FedEx, we also can ship DHL or US Postal Service. We can usually have it to your location overnight if needed. Additional Fee(s) may apply for special shipping. All equipment will ship from our warehouse located at our office in Springfield, MO. We can also ship overseas if needed and we only charge exact shipping costs. For most customers outside the USA and Canada, wire transfer is the only form of payment we will accept. Overseas customers can either arrange to have the equipment picked up in the USA or we will ship to your location by FedEx. We can also ship to a freight forwarder here in the USA. The purchaser will be required to pay for taxes and duties through customs in your home country.
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