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Cisco NM-4B-U
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MFG PART #:

NM-4B-U

UC SKU #:

66901

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The 4-port ISDN BRI network module provide port densities for ISDN BRI connectivity. The integrated NT1 allows consolidated customer premises equipment (CPE) to provide multifunction dial access server, router, and other capabilities within power branch office environments.

Cisco NM-4B-U Miscellaneous

System Requirements: Cisco IOS Software Release Requirements:
  • IOS Software Release 11.1.(8)AA or later
  • Cisco NM-4B-U General Information

    Manufacturer: Cisco Systems, Inc
    Brand Name: Cisco
    Product Name: Network Module
    Product Type: Network Module

    Cisco NM-4B-U Interfaces/Ports

    Interfaces/Ports: 4 x ISDN BRI (U) WAN
    Interfaces/Ports Details: 4 x RJ-45 ISDN BRI (U) WAN

    Cisco NM-4B-U Controls/Indicators

    Status Indicators:
    • Network module status indicator
    • Status LEDs for each B Channel and NT1
    • Network module status indicator
    • Status LEDs for each B Channel and NT1

    Cisco NM-4B-U Environmental Conditions

    Temperature: 32 degrees F (0.0 degrees C) to 104 degrees F (40.0 degrees C) Operating
    Temperature: -13 degrees F (-25.0 degrees C) to 158 degrees F (70.0 degrees C) Non-operating
    Humidity: 5% to 95% Relative Humidity

    Cisco NM-4B-U Physical Characteristics

    Dimensions: 1.55 Height x 7.1 Width x 7.2 Depth
    Shipping Dimensions: 2.75 Height x 10.25 Width x 16 Depth
    Weight: 2 lb Maximum
    Shipping Weight: 2.1 lb

    Cisco NM-4B-U Miscellaneous

    Additional Information: Modular Router Solutions:
  • ISDN Concentration
  • LAN-to-LAN Routing

    Protocols Supported:
  • Full Cisco IOS support in Release 11.2 and 11.3

    Physical Limitation of ISDN BRI Modules per Chassis:
  • Cisco 3640: 3
  • Cisco 3620: 1
  • Cisco 2600: 1

    Comments:
  • No reliance on other network modules, WAN interface cards, voice interface cards, or advanced integration modules
  • Compatibility: Supported Platforms & Minimum IOS Versions:
  • 3745 - 12.2(8)T
  • 3725 - 12.2(8)T
  • 3660 series - 12.0(7)XK
  • 3640 - 11.1(7)AA
  • 3620 - 11.1(7)AA
  • 2691 - 12.2(8)T1
  • 2650 - 12.1(3)T
  • 2600XM Series - 12.1(14) or 12.2(8)T1
  • 2600 series - 11.3(4)T
  • 1720 - Not Available
  • 1600 series - Not Available
  • Certifications & Standards: EMI:
  • Class B EMI / Class A EMI
  • Cisco NM-4B-U Original Manufacturer Warranty

    Standard Warranty: 90 Day Limited