ESR-8E3/DS3

Manufacturer: Cisco
Product ID: ESR-8E3/DS3
Product Description: 8 port clear channel E3/DS3 Line Card
Shipping: Typically ships within 2-3 days
Warranty: 1-Year Standard Warranty
Any Questions?
1-800-TO-MULTI or Email
Pre-owned, used and refurbished Cisco ESR-8E3/DS3

Purchase quality Cisco router equipment at the industry's best prices, including the ESR-8E3/DS3. MULTI-LINK (MLCP) carries an extensive inventory of new, refurbished and used Cisco router equipment across all product series, so we can assist with everything from SOHO to core router requirements.

Our extensive ESR-8E3/DS3 inventory provides for quick order turn-around, often allowing us to ship "same day" or within just 1-2 business days. What's more? As an independent supplier, we are able to offer more equipment options than are available through distribution, including new, used and refurbished ESR-8E3/DS3. In some instances, our pre-owned equipment may still be in new condition, still sealed in original factory packaging (but at a fraction of the cost).

MLCP is committed to quality, and we guaranty any refurbished Cisco ESR-8E3/DS3 purchase with our standard one year warranty. All used ESR-8E3/DS3 equipment is tested to factory specifications and packaged professionally for safe transport. As an experienced supplier of pre-owned network hardware, we understand that we have to be better than the manufacturer, and that fundamental principle guides us every day.

Is your interest in the ESR-8E3/DS3 as a result of an upgrade? We may be interested in your surplus networking equipment and encourage you to take advantage of our flexible "buy-back" options, including an up-front purchase option and generous trade-ins for credit.

For a quote today, simply click onto the "Request a Quote" button on the right, or call 1-800-TO MULTI (866-8584) for assistance. Thank you!
General Information
Manufacturer: Cisco
Product ID: ESR-8E3/DS3
Product Description: 8 port clear channel E3/DS3 Line Card
Product Type: Service Module
Marketing Information

The 1000 Series 8-Port Unchannelized E3/T3 Line Card provides flexibility, scalability, and an enhanced price-to-performance ratio in the E3/T3 aggregation market. Targeted primarily at Internet service providers (ISPs) for situations in which fiber interfaces are unavailable or prohibitively expensive, the Cisco 10000 Series Unchannelized E3/T3 Line Card supports eight E3/T3 ports (Layer 2 connectivity). Layer 3 services are supported by the Cisco 10000 Series advanced Cisco Performance Routing Engine (PRE). By taking advantage of the advanced PRE architecture, ISPs will enjoy the necessary processing performance to enable the advanced IP services that users demand.

Technical Information
Application/Usage: Data Networking
Interfaces/Ports
Interfaces/Ports: 8 x T3/E3
Interfaces/Ports Details: 8 x Port T3/E3
Media & Performance
Data Transfer Rate: 44.74 Mbps T3
  34.37 Mbps E3
Management & Protocols
Management:
  • Quality of service (QoS)
  • Simple Network Management Protocol (SNMP)
  • MIB-II
  • Physical Characteristics
    Form Factor: Hot-swappable
    Dimensions: 16" Height x 1.12" Width x 10" Depth
    Weight (Approximate): 4.75 lb
    Miscellaneous
    Additional Information:
  • Spare Product
  • Eight ports of unchannelized E3/T3 or subrate E3/DS3 configured on a per-port basis
  • Line rate performance at 44-byte or higher packet sizes
  • Integrated DSU functionality
  • Per-port selection of internal or external (line) clock source
  • Bit error rate test (BERT) at E3 and DS3 levels
  • Error Correction Code (ECC) memory protection on the processor's synchronous dynamic RAM (SDRAM)
  • Online insertion and removal (OIR), also called hot-swappable, with no chassis slot dependency
  • Support for high-availability features, including Route Processor Redundancy Plus (RPR+), Nonstop Forwarding, and Stateful Switch-over

    E3-Specific Features:

  • European 34.368-Mbps serial interface specified by G.703 and G.704
  • Support for G.751 basic framing mode

    T3-Specific Features:

  • U.S. 44.736-Mbps serial interface specified by American National Standards Institute (ANSI) T1.107/92-185
  • Support for C-bit and M23 parity framing modes
  • Per-interface line build-out-225 feet (6750 centimeters) of 75-ohm coaxial cable

  • Compatibility:
  • Cisco 10000 Series chassis
  • PREs available on the Cisco 10000 Series
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