Cisco NM-4A-S 4-Port Async/Sync Network Module

Features

• Supports both asynchronous and synchronous communication
• Provides four ports for flexible connectivity options
• Ideal for remote site connectivity optimization
• Enables higher port density for demanding networking environments
• Modular architecture for easy integration and scalability
• Compatible with a range of Cisco routers for broad interoperability

Technical Specifications

• Module Type: Network Module
• Part Number: NM-4A-S
• Ports: 4 ports (async/sync communications)
• Connector Type: Serial
• Supported Standard Interfaces: EIA/TIA-232, EIA/TIA-449, V.35, X.21, EIA-530, EIA-530A, EIA-232
• Async Speed: Up to 115.2 kbps
• Sync Speed: Up to 2.048 Mbps
• Compatibility: Compatible with Cisco 2600, 2800, 3600, 3700, and 3800 series routers
• Form Factor: Plug-in module

Frequent Ask Questions

• What is the Cisco NM-4A-S 4-Port Async/Sync Network Module used for?

  The Cisco NM-4A-S 4-Port Async/Sync Network Module is designed to provide high-density, low-speed, synchronous and asynchronous serial connectivity for Cisco routers. This module can support a variety of protocols, including PPP, Frame Relay, and HDLC.

• Which routers are compatible with the Cisco NM-4A-S module?

  The Cisco NM-4A-S module is compatible with several Cisco router series, including the Cisco 2600 and 3600 series, as well as certain Cisco 3700 series models. Compatibility should always be confirmed with the specific router model and configuration.

• What types of connections can be made using this network module?

  The Cisco NM-4A-S supports both asynchronous and synchronous serial connections. This flexibility allows it to be used for multiple types of networking applications, ranging from simple console connections to more complex network tasks requiring reliable serial connectivity.

• How many ports does the Cisco NM-4A-S module have?

  The Cisco NM-4A-S module features 4 asynchronous/synchronous serial ports. This allows for multiple serial connections to be established simultaneously on a single module.

• Does the Cisco NM-4A-S support any specific protocols?

  Yes, the Cisco NM-4A-S supports multiple protocols, including Point-to-Point Protocol (PPP), High-Level Data Link Control (HDLC), and Frame Relay. This makes it suitable for a wide range of network configurations.

• Can the Cisco NM-4A-S be used for WAN connections?

  Yes, the Cisco NM-4A-S is often used for WAN (Wide Area Network) connectivity given its support for various synchronous protocols. It is particularly useful for extending network reach over serial connections.

• What kind of cabling is required for the Cisco NM-4A-S module?

  The Cisco NM-4A-S module typically requires serial cables that match the physical interfaces of the module and the connected devices. Common cable types include RS-232, V.35, RS-449, X.21, and EIA-530.

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• We offer advanced logistics solutions, such as same day delivery, same day collection, overnight delivery, tailgate services, data centre & secure location deliveries, etc.
• Our logistics team ensure every item is packed safe and secure, ensuring no damage occurs to your equipment, in fact, our customers often comment on how good our packing is, check out our ratings on trustpilot.

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• For most products, we can also offer extended maintenance contracts, with options such as 24x7 support and an onsite engineer that can repair or replace your part within 2 hours.

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