Cisco - expansion module - 8 ports
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Cisco - Expansion module - 8 ports - T-1 - for Cisco 3725 VPN Security Bundle, 3745 VPN Bundle

Item#:  40012478  | Model#: NM-8T1-IMA
Price:
$84.99
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Cisco - expansion module - 8 ports Product Details

Cisco multiport T1/E1 ATM network modules with Inverse Multiplexing over ATM (IMA) are available for both the Cisco 2600 and 3600 series multiservice access platforms. Available in both four- and eight-port versions, these new multiport ATM modules allow service provider and enterprise customers to cost-effectively increase bandwidth, extending multiservice capabilities to remote-branch-office locations through ATM.

These multiport T1/E1 ATM network modules with IMA add to the broad Cisco portfolio of customer premises equipment (CPE), ATM edge, and central-office products, that allow branch offices to take advantage of the higher bandwidth and multiservice capabilities available from ATM services. These new ATM modules complement the existing OC-3 and 25-Mbps family of ATM network modules available for the Cisco 2600 and 3600 series that now offer ATM bandwidth from 1.544-Mbps to 155-Mbps. The high cost and limited availability of long-distance broadband ATM services have prevented many organizations from taking advantage of ATM's high quality-of-service (QoS) features. In recent years the ATM Forum has defined lower-speed T1/E1 ATM services, but this was an incomplete solution because a single T1/E1 often does not provide sufficient bandwidth to support the additional requirements of multiservice applications. For this reason, many organizations find themselves caught between the bandwidth limitations of narrowband T1/E1 lines and the much higher costs of moving to broadband links. In response to this the ATM Forum, with Cisco as an active member, defined a standard for IMA. Using the Cisco 2600 and 3600 series multiservice platforms to provide IMA access provides an affordable LAN-to-WAN solution for branch office, campus and ATM Edge applications. Multiport T1/E1 IMA modules enable service providers to deliver critical integrated ATM services combining data, voice and video with ATM's guaranteed QoS features. With multiport IMA deployed as CPE edge, network service providers can deliver unmatched flexibility in the types of services they can offer to their customers. IMA is an ATM Forum specification that provides a cost-effective and scalable alternative to T3/E3 services by allowing carriers to leverage widely available T1 services over ATM and interoperate with other vendors' standards-based equipment. Multiport T1/E1 IMA can provide organizations with highly desired fractional T3 bandwidth connectivity, which is critical in situations where DS3 or OC-3 fiber connections are either cost-prohibitive, or unavailable between a provider's central office and the customer's premises. Multiport T1/E1 IMA network modules functionality allows access to ATM WAN uplinks with bandwidth requirements between DS1 and DS3 rates. Each T1 link provides 1.544 Mbps and each E1 link provides 2.048 Mbps connectivity. With IMA's aggregation of multiple T1/E1s, network managers have the ability to increase bandwidth inexpensively to allow wide-area network (WAN) uplinks at speeds ranging from 1.544-Mbps to 16-Mbps full-duplex on a single card. These multiport ATM network modules support the ATM Forum Adaptation Layer 5 (AAL5) with ATM QoS categories Unspecified Bit Rate (UBR), Variable Bit Rate (VBR-rt and VBR-nrt), and Available Bit Rate (ABR). VoIP and H.323 video over ATM can be supported using VBR-rt class of service (CoS) parameters with the currently available analog voice/fax network modules with voice interface cards (VICs), or the new T1 digital packet voice trunk network modules with multiflex trunk cards. The multiport T1/E1 IMA modules' support for VoIP and H.323 video applications provides low latency, jitter-free voice support to enhance throughput, and high-quality, end-to-end voice and video performance. When combined with high-density packet telephony solutions already available on the Cisco 2600 and 3600 series, the multiport ATM network modules provide a seamless end-to-end multiservice solution, interoperable with other ATM Forum IMA version 1.0 products available from Cisco.

Specifications

General
   Device Type:  Expansion module - 8 ports
   Form Factor:  Plug-in module

Networking
   Connectivity Technology:  Wired
   Data Transfer Rate:  1.5 Mbps
   Line Rate:  T-1
   Line Coding Format:  B8ZS
   Compliant Standards:  ANSI T1.408

Expansion / Connectivity
   Interfaces:  8 x T1 - RJ-45 - 8
   Compatible Slots:  1 x expansion slot

Miscellaneous
   Package Type:  Retail

Software / System Requirements
   Software Included:  Drivers & Utilities
   OS Required:  Cisco IOS 12.0(5)T

Dimensions & Weight
   Width:  7.1 in
   Depth:  7.2 in
   Height:  1.5 in
   Weight:  2.43 lbs

Environmental Parameters
   Min Operating Temperature:  32 °F
   Max Operating Temperature:  104 °F
   Humidity Range Operating:  5 - 95%

Compatibility Information
   Designed For:  Cisco 3725 VPN Security Bundle, 3745 VPN Bundle
 
  • Manufactured by: Cisco
    Warranty provided by: Cisco
    UPC No:
    Mfg Part No: NM-8T1-IMA
  • Box Size: ( Length:0, Width:0, Depth:0)
    Shipping Weight: 2.5000 pound(s)
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