1. Enterprise Network Switch Modules Parts
  2. sku: 9979725158804752
  3. CISCO MGX-SMFIR-4-155/B

CISCO MGX-SMFIR-4-155-B Fiber Interface Card Module MGX-SMFIR-4-155/B Smfir

Mgx-smfir-4-155 Cisco Mgx-smfir-4-155/b Smfir 4-155/b Fiber Interface Back Card Module

( Brand: Cisco ), ( Manufacturer Part Number: MGX-SMFIR-4-155/B ), ( Part Type: Interface Card Module ), ( Color: Green ), ( Compatible Brand: For Cisco ), ( Unit Type: Unit )

Review CISCO Mgx-smfir-4-155/b Smfir 4-155/b Fiber Interface Card Module

The Cisco MGX-SMF-IR-4-155/B, also known as the SMF-4-155/B Fiber Interface Card Module, is a versatile and high-performing fiber optic module designed for use with Cisco's Modular Services Module (MSF) chassis. This particular model supports four (4) Small Form-factor Pluggable (SFP) fiber optic interfaces, each capable of delivering data rates up to 1 Gbps.

The SMF-4-155/B module is built with advanced technology to ensure reliable and efficient data transmission. Each SFP interface supports both single-mode and multi-mode fiber types, making it adaptable to various network configurations. The module also supports a wide range of data link protocols, including Ethernet, Fibre Channel, and ATM.

The SMF-4-155/B module is housed in a compact, rugged design, making it well-suited for deployment in a variety of network environments. It is also power-efficient, consuming minimal power while delivering maximum performance. Additionally, the module supports advanced features such as link monitoring, auto-negotiation, and loopback testing, ensuring optimal network performance and ease of management.

Installation of the SMF-4-155/B module is straightforward, with simple plug-and-play connectivity to the MSF chassis. The module comes with a comprehensive set of documentation, including installation guides, configuration guides, and troubleshooting resources, to help ensure a smooth deployment and integration into your network infrastructure.

Overall, the Cisco MGX-SMF-IR-4-155/B SMF-4-155/B Fiber Interface Card Module is a valuable addition to any network infrastructure, providing high-speed, reliable, and flexible fiber optic connectivity for a wide range of applications. Its robust design, advanced features, and ease of use make it an excellent choice for organizations seeking to upgrade or expand their network capabilities.

Pros and Cons of Buying Cisco MGX-SMF-IR-4-155/B (SMF-4-155/B) Fiber Interface Card Module

The Cisco MGX-SMF-IR-4-155/B (SMF-4-155/B) is a high-density, Gigabit Ethernet fiber interface card module designed for Cisco 7600 series routers. This module supports up to four 155 Mbps SONET/SDH or STM1/OC-3/OC-12 interfaces. Here are the potential advantages and disadvantages of purchasing this product:

Pros:

1. High Density: The SMF-4-155/B module supports up to four fiber interfaces, making it an ideal choice for networks requiring a large number of fiber connections.

2. Redundancy: The module supports various redundancy protocols, including SONET/SDH, MPLS, and HSRP, ensuring high availability and network reliability.

3. Flexibility: The module can be used in diverse applications, including data center, service provider, and enterprise networks.

4. Scalability: The Cisco 7600 series router is a modular platform, allowing users to upgrade and add functionalities as their network grows.

5. Robustness: Cisco is a well-established brand, and the 7600 series router is known for its reliability and robustness.

Cons:

1. Cost: The SMF-4-155/B module is a high-end, enterprise-grade solution, and its price reflects that.

2. Complexity: The module requires a significant amount of configuration and management, which may be challenging for some users.

3. Power Consumption: The module consumes a considerable amount of power, which may increase the overall power usage of the router.

4. Size: The module is relatively large, requiring additional rack space and cabling.

In conclusion, the Cisco MGX-SMF-IR-4-155/B (SMF-4-155/B) fiber interface card module is a high-performance, flexible, and reliable solution for networks requiring a large number of fiber connections. However, its high cost, complexity, power consumption, and size may be disadvantages for some users. Ultimately, the decision to purchase this module depends on the specific requirements and constraints of the network infrastructure.

Recommendation:

If your network requires a large number of fiber connections, and you value reliability, redundancy, and scalability, the Cisco MGX-SMF-IR-4-155/B (SMF-4-155/B) fiber interface card module may be an excellent choice. However, carefully consider the costs, complexity, power consumption, and size before making a decision. If these factors are significant concerns, you may want to explore alternative, lower-cost, or more compact solutions.

Details:

Bracket and board show normal handling wear light marks; only the card/module is included. Jumper wires have been added on the PCB, indicating a prior repair/modification. Cisco Systems SMFIR 4-155/B back card/module as shown. Buying multiple items.

I can bundle them to cut down on shipping costs and get you a better deal. Unit is untested.

part #: mgxsmfir4155 prices

  • $27.99-$67.00

specifications switchchunk:

  • brand: Cisco
  • mpn: Mgx-smfir-4-155/b
  • part type: Interface Card Module
  • color: Green
  • compatible brand: For Cisco
  • unit type: Unit

offer switchchunk:

  • availability: In Stock
  • sold: 0
  • options: Ship-to-home
  • best offers: True
  • quantity: 1
  • started: March 15, 2026

seller switchchunk:

  • # reviews: 2447
  • city: Lacey, Washington
  • rating: 100.0%

shipping switchchunk:

  • class: Standard
  • service: Standard
  • type: Fixed
  • cost: $0.00
  • transit: 4-9 Days

general switchchunk:

  • Enterprise Networking, Servers > Switches Hubs > Switch Modules
  • condition: For parts or not working

payments switchchunk:

  • credit card: Mastercard
  • wallet: Google-pay
  • other

returns switchchunk:

  • policy: No Returns
part type: interface card module, compatible brand: for cisco, unit type: unit,
category: computers > enterprise networking, servers > switches hubs > switch modules, color: green, sku: 9979725158804752,

Cisco MGX-SMFIR-4-155 Is Similar To:

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4 offers $27.99–$67.00 USD
  • Offer #1: $27.99 price + $0.00 shipping estimate = $27.99* total. Bracket and board show normal handling wear and light marks; only the card/module is included. Cisco Systems SMFIR 4-155/B back card/module as shown.FREE SHIPPING
  • Offer #2: $59.95 price + $19.96 shipping estimate = $79.91* total. Condition : Used, these modules are all in good working condition, tested. Our 30,000 Sq.Ft.+$19.96 shipping
  • Offer #3: $67.00 price + $15.10 shipping estimate = $82.10* total. List Price. Cisco /B 4OC-3cSTM-1c Single height BC SMFIR.+$15.10 shipping
  • Offer #4: $57.00 price + $15.00 shipping estimate = $72.00* total. The Cisco T1/E1/IMA ATM UNI service modules (AUSMs) are designed for use with the MGX 8220 Edge Concentrator, the MGX 8230 and MGX 8250 multiservice gateways and the MGX 8800 series wide-area edge switches.+$15.00 shipping

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