A903-RSP1B-55, Cisco ASR 903 Route Switch Processor, 1 Route Switch Processor/Large Scale

  • Brand: Cisco
  • Model: A903-RSP1B-55
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List Price: $26,400.00
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$12,756.00
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    Overview
    End-of-Life Notice
    End-of-Life Notice
    A903-RSP1B-55 is officially EOL. Service support ends on 2022-10-31.
    For full lifecycle details, see A903-RSP1B-55 EOL.
    Recommended Replacement
    Recommended Replacement
    Official replacement model. Aligned with current deployment environments.

    Cisco A903-RSP1B-55 Overview

    The Cisco A903-RSP1B-55 is a carrier-grade route switch processor module for ASR 903 aggregation routers, designed for high-scale metro and service provider networks. Delivering 55 Gbps interface throughput and 65 Mpps IPv4/IPv6 performance, it supports large routing and MPLS VPN tables for dense multi-service access. With extensive Ethernet, TDM, and ATM interface module compatibility plus robust OAM and timing ports, the A903-RSP1B-55 enables reliable convergence of L2 and L3 VPN, mobile backhaul, and enterprise services in demanding environments.

    Product Highlights

    55 Gbps
    Line Rate
    65 Mpps
    IP Perf
    80,000
    IPv4 Rt

    Product Applications Scenarios

    Service Providers
    The A903-RSP1B-55 aggregates high-density Ethernet, TDM, and ATM services, enabling scalable MPLS VPN and mobile backhaul with precise timing to cut access network TCO and simplify regional rollouts.
    Enterprise Network
    As a high-performance route switch processor, it supports large IPv4/IPv6 tables and robust QoS, helping enterprises consolidate WAN, voice, and video while reducing branch aggregation complexity.
    Public Infrastructure
    Rich OAM, BFD, and CFM plus 300,000-hour MTBF make it ideal for transport, utilities, and government networks needing resilient metro aggregation and predictable multi-service performance.

    Product Features Comparison

      Cisco A903-RSP1B-55 Cisco AIM-TPO-2 Cisco NME-16ES-1G-P Cisco SM-D-ES3-48-P
    Model A903-RSP1B-55, Cisco ASR 903 Route Switch Processor, 1 Route Switch Processor/Large Scale AIM-TPO-2, Cisco AIM-TPO-2 Network Module, Network Capacity Expansion NME-16ES-1G-P, Cisco NME-16ES Series Network Module, 16×10/100T PoE/1×GE/Layer 2 Switch SM-D-ES3-48-P, Cisco Enhanced EtherSwitch Module, 48×FE/Layer 2/3 Switch/For 2900 3900 Series
    Brand Cisco Cisco Cisco Cisco
    Module Type n/a Network Capacity Expansion Module EtherSwitch Service Module Enhanced EtherSwitch Service Module (SM)
    Port Configuration n/a 2 AIM slots 16 x 10/100T Ethernet, 1 x Gigabit Ethernet 48 Fast Ethernet ports
    Supported Speed 55 Gbps n/a 10/100 Mbps, 1 x GE Fast Ethernet
    Compatible Platform A900-IMA1X; A900-IMA8S; A900-IMA8T; A900-IMA16D; A900-IMA4OS; A900-IMASER14A/S Cisco 1800/2800/3800 ISRs Cisco Router Cisco 2900 and 3900
    Installation Type n/a Internal modular Plug-in module Service module

    Optional Add-ons

    Model Number Description
    A900-IMA8T Cisco ASR 900 8-port 10/100/1000 Ethernet Interface Module for GE service expansion
    A900-IMA1X Cisco ASR 900 1-port Ethernet interface module for flexible uplink deployment
    A900-IMA16D Cisco ASR 900 16-port TDM interface module to aggregate legacy TDM and voice circuits

    Quality Certifications

    • ISO 14001
    • ISO 9001
    • RoHS
    • REACH
    • CE
    • FCC
    Specification

    Cisco A903-RSP1B-55 Specification

    Model
    A903-RSP1B-55
    Brand
    Cisco
    Power Consumption
    Chassis with 2 power supplies, 1 fan tray, and 1 RSP: A903-RSP1B-55: 210 W
    RSP Memory (DRAM)
    A903-RSP1B-55: 4 GB
    Flash Memory (Storage)
    2 GB
    Service Scale
    A903-RSP1B-55: Large
    Ethernet Interface Module Compatibility
    A900-IMA1X; A900-IMA8S; A900-IMA8T
    TDM and ATM Interface Module Compatibility
    A900-IMA16D; A900-IMA4OS; A900-IMASER14A/S
    Maximum Transmission Unit (MTU)
    Configurable MTU up to 9216 bytes for bridging on Gigabit Ethernet, 10 and 100 Gigabit Ethernet
    Maximum Interface Throughput
    55 Gbps
    IP Version 4 Performance
    65 Mpps
    IP Version 6 Performance
    65 Mpps
    Management Ports
    Copper 10/100/1000Base-T LAN management port (RJ45); Console/Aux RS232 serial ports (RJ45); Console USB 2.0 Type-A receptacle
    Timing Ports
    BITS simultaneous input and output (J1/T1/E1) - RJ48; 1 pps input - mini-coax; 1 pps output - mini-coax; 2.048/10 MHz input - mini-coax; 2.048/10 MHz output - mini-coax
    External USB Flash Memory
    Mass storage - USB 2.0 Type-A receptacle
    Shipment Package Size (L × W × H)
    14.38 × 14.38 × 6.25 in
    Shipment Package Weight
    6.2 lb
    MTBF at 40 °C (104 °F) Operating Temperature
    300,000 hours
    MAC Addresses
    256,000
    Bridge Domains
    4,000
    Ethernet Flow Points
    8,000
    L3 Interfaces
    1,000
    IPv4 Routes
    80,000
    IPv6 Routes
    40,000
    Multicast Routes
    8,000
    MPLS VPN
    1,000
    MPLS Labels
    64,000
    EoMPLS Tunnels per System
    8,000
    VPLS Instances
    4,000
    Queues
    32,000
    Classifications
    24,000
    Ingress Policers
    16,000
    Class Maps
    4,000
    Queue Counters (Packet and Byte)
    128,000
    Policer Counters (Packet and Byte)
    96,000
    IPv4 ACL Entries
    16,000
    BFD Sessions
    511
    IEEE 802.1ag (CFM) at 3.3 ms Interval
    256
    Weight
    kg

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    Quality Certifications

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    Q&A

    Questions & Answers

    What accessories are available for the Cisco ASR 903 Route Switch Processor A903-RSP1B-55?

    Accessories for the A903-RSP1B-55 include power supply modules, fan trays, and various interface modules.

    How does the Cisco ASR 903 Route Switch Processor A903-RSP1B-55 compare to similar products?

    The A903-RSP1B-55 offers high scalability, advanced features, and a cost-effective solution compared to many competitors in the same category.

    What is the typical usage duration for the Cisco ASR 903 Route Switch Processor A903-RSP1B-55?

    The Cisco ASR 903 Route Switch Processor A903-RSP1B-55 is designed for long-term usage, often exceeding 5-10 years with proper maintenance and upgrades.

    Is router-switch.com a reliable distributor?

    Absolutely. As a multi-brand authorized distributor, router-switch.com is directly certified by leading technology manufacturers. We guarantee 100% genuine products, competitive pricing, and full manufacturer warranties and support.

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