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REFURBISHED
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Cisco NM-4B-S/T 4-Port ISDN BRI Network Module – Refurbished | NM-4B-S/T

In Stock
1 units available
SKU
NM-4B-S/T-REFURBISHED
MPN
NM-4B-S/T
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$74
The Cisco NM-4B-S/T is a refurbished 4-port ISDN BRI network module for Cisco routers. It supports up to 128 Kbps per B channel, ideal for small to medium enterprises.
In Stock
Brand Cisco
Model Name NM-4B-S/T
Condition Refurbished
Network Ports 4 Ports
Interface ISDN BRI
Max Data Rate 128 Kbps per B channel

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Cisco · NM-4B-S/T
NM-4B-S/T 4-Port ISDN BRI Network Module Refurbished
Reliable ISDN connectivity for enhanced network performance.
Overview
The Cisco NM-4B-S/T is a robust 4-port ISDN BRI network module designed to enhance networking capabilities. This module integrates seamlessly with Cisco routers, providing reliable ISDN connectivity for voice and data applications. It is ideal for small to medium-sized enterprises looking to improve their network infrastructure.
Key Features
  • ISDN BRI Ports: Four ISDN BRI ports for improved network connectivity.
  • Compatibility: Seamless integration with various Cisco routers.
  • Data Rate: Supports up to 128 Kbps per B channel.
  • Network Termination: Built-in Network Termination 1 (NT1) for direct ISDN connection.
  • Multiple Device Connectivity: Allows multiple devices to connect through a single ISDN line.
  • Channel Aggregation: Supports channel aggregation for enhanced bandwidth.
Specifications
General
BrandCisco
Model NameNM-4B-S/T
ConditionRefurbished
Ports & PoE
Network Ports4 Ports
InterfaceISDN BRI
Performance
Max Data Rate128 Kbps per B channel
Total Number of B Channels8
Power
Power Consumption10W
Physical
Width18 cm
Depth18.2 cm
Height3.9 cm
Weight0.9 kg
Environmental
Operating Temperature0°C to 40°C (32°F to 104°F)
Storage Temperature-20°C to 65°C (-4°F to 149°F)
Humidity10% to 90% Non-condensing
MTBF250,000 hours

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FAQ

Common questions about the Cisco NM-4B-S/T 4-Port ISDN BRI Network Module – Refurbished | NM-4B-S/T.

The NM-4B-S/T supports a maximum data rate of 128 Kbps per B channel.
The NM-4B-S/T is compatible with various Cisco modular routers, including the 2800 and 3800 series.
The NM-4B-S/T supports a total of 8 B channels.
The operating temperature range for the NM-4B-S/T is 0°C to 40°C.
Yes, the NM-4B-S/T includes a built-in Network Termination 1 (NT1) for direct ISDN connection.
The NM-4B-S/T weighs 0.9 kg.
Documents

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