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Cisco NM-8A/S
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The 8-port asynchronous/synchronous serial network module provides 8 low-speed serial connections via DB-60 connectors that support five interface types (RS-232, RS-449, RS-530, V.35, X.21) in either DTE or DCE mode. The low-speed serial connections can be configured for up to either 115.2 kbps asynchronous or 128 kbps synchronous serial traffic.

Cisco NM-8A/S General Information

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

Cisco NM-8A/S Interfaces/Ports

Interfaces/Ports: 8 x Asynchronous/Synchronous Serial WAN
Interfaces/Ports Details: 8 x DB-60 Asynchronous/Synchronous Serial WAN

Cisco NM-8A/S Media & Performance

Connectivity Media: Serial Cable
Data Transfer Rate: 128Kbps Synchronous Serial Half/Full-duplex
Data Transfer Rate: 115.2Kbps Asynchronous Half/Full-duplex

Cisco NM-8A/S Controls/Indicators

Status Indicators:
  • Network Module status indicator, five status LEDs for each serial port, including data send/receive indication
  • Network Module status indicator, five status LEDs for each serial port, including data send/receive indication

Cisco NM-8A/S 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-8A/S Physical Characteristics

Dimensions: 1.55 Height x 7.1 Width x 7.2 Depth
Shipping Dimensions: 3 Height x 10.5 Width x 16 Depth
Weight: 2 lb Maximum
Shipping Weight: 1.79 lb

Cisco NM-8A/S Miscellaneous

Additional Information: Modular Router Solutions:
  • Serial & Legacy Concentration
  • VPN & Firewall Solutions

    Protocols Supported:
  • Full Cisco IOS support by release 11.2 and 11.3

    Supported Features of Serial Network Modules:
  • Synchronous
  • Asynchronous
  • Full Duplex
  • Half Duplex
  • Bisync

    Physical Limitation of Serial Modules per Chassis:
  • Cisco 3640: 4
  • Cisco 3620: 1

  • No reliance on other network modules, WAN interface cards, voice interface cards, or advanced integration modules
  • System Requirements: Cisco IOS Software Release Requirements:
  • Cisco IOS Release 11.1.(8)AA or later
  • Compatibility: Supported Platforms & Minimum IOS Versions:
  • 3745 - 12.2(8)T
  • 3725 - 12.2(8)T
  • 3660 series - 12.0(5)T
  • 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(2)XA
  • 1720 - Not Available
  • 1600 series - Not Available
  • Certifications & Standards: EMI:
  • Class B EMI
  • Cisco NM-8A/S Original Manufacturer Warranty

    Standard Warranty: 90 Day Limited