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by Cisco
Product Line: Cisco GLC-ZX-SM
Product Type: Transceiver
Original price $0.00 - Original price $120.00
Original price
$0.00 - $120.00
Current price $120.00
Title: Used

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Product Description

The Cisco GLC-ZX-SM is an SFP (mini-GBIC) transceiver module designed for long-distance optical networking, supporting a data transfer rate of 1.25 Gbps over a max transfer distance of up to 70 km on single-mode fiber (SMF) with a 1550 nm wavelength. It features an LC single-mode connector type and complies with multiple standards, including EN 60825, EN 60950, FDA, MSA, and RoHS, ensuring broad compatibility and safety. Additionally, it is equipped with Digital Diagnostics Monitoring Interface (DDMI), allows for hot-swapping in SFP LC ports, and operates within a temperature range of 0°C to 70°C.

Key Feature for the GLC-ZX-SM

  • What is the maximum data transfer rate of the Cisco GLC-ZX-SM transceiver module?
    The data transfer rate is 1.25 Gbps.
  • How does the Cisco GLC-ZX-SM comply with safety and environmental standards?
    It is compliant with EN 60825, EN 60950, FDA, MSA, and RoHS standards.
  • What type of connectivity technology is used in this transceiver?
    It uses wired connectivity technology.
  • What is the operating case temperature range for the GLC-ZX-SM?
    The operating case temperature ranges from 0°C to 70°C.
  • What type of fiber optic is required for the Cisco 1000BASE-ZX Ethernet SFP?
    It requires a Single-Mode Fiber (SMF).
  • What is the form factor of this SFP transceiver module?
    The form factor is a plug-in module.
  • Is digital optical monitoring available on this device?
    No, it does not have digital optical monitoring capability.
  • What is the maximum operating distance of the Cisco GLC-ZX-SM?
    It can operate up to 70 km over SMF at 1Gbps, depending on link loss.
  • Can the Cisco GLC-ZX-SM SFP transceiver be hot-swapped?
    Yes, it is hot-swappable for SFP LC ports.
  • What standards does the GLC-ZX-SM meet for Ethernet and Fibre Channel?
    It meets SFP MSA and IEEE Std 802.3 standards.

Product Review

The Cisco GLC-ZX-SM offers high-performance connectivity over long distances, supporting up to 70 km over single-mode fiber with a data transfer rate of 1.25 Gbps, ideal for extended network deployments. However, it lacks digital optical monitoring, limiting the ability to proactively monitor and troubleshoot signal quality and integrity. Its compatibility with SFP LC ports and adherence to MSA and IEEE standards ensure broad device compatibility and easy integration into existing network infrastructures.


The Cisco GLC-ZX-SM transceiver module offers high-performance connectivity for Ethernet and Fibre Channel networks. This module is designed to deliver data transfer speeds of up to 1.25 Gbps, making it suitable for high-speed data communication needs. It uses a wired connectivity technology, ensuring reliable and stable connections for critical network applications. The GLC-ZX-SM operates on a single-mode fiber optic cable with an LC connector type, providing an efficient and secure means of data transmission over long distances. With a maximum transfer distance of up to 49.7 miles (approximately 70 km depending on link loss), this transceiver module is an ideal solution for connecting distant network segments. It operates on an optical wavelength of 1550 nm, which helps in minimizing signal loss over extended distances. This feature, combined with the module's support for Gigabit Ethernet and Fibre Channel data link protocols, ensures that the GLC-ZX-SM can handle demanding network tasks with ease. The Cisco GLC-ZX-SM is built to fit into the SFP (mini-GBIC) transceiver module form factor, allowing for easy integration into compatible networking equipment. Its plug-in module design supports hot-swapping, which enables network administrators to replace or upgrade modules without powering down the network device. This capability facilitates minimal downtime and improved maintenance efficiency. This module also includes support for Digital Diagnostics Monitoring Interface (DDMI), which provides critical information on the health and performance of the transceiver. By monitoring parameters such as temperature, voltage, and signal strength, network administrators can proactively manage and troubleshoot the optical network. Key Specifications: -
  • Connector Type: LC single-mode
  • Data Transfer Rate: 1.25 Gbps
  • Max Transfer Distance: 49.7 miles (70 km)
The GLC-ZX-SM adheres to several compliance standards, including EN 60825, EN 60950, FDA, MSA, and RoHS, ensuring that it meets global regulatory requirements and environmental standards. With an operating temperature range from 0°C to 70°C, this module is designed to perform reliably in a variety of environmental conditions. In summary, the Cisco GLC-ZX-SM SFP transceiver module is a high-performance solution for extending the reach of Gigabit Ethernet and Fibre Channel networks. Its support for long-distance communication, combined with advanced features like DDMI and compliance with key industry standards, makes it a versatile choice for network expansion and connectivity. Whether for enterprise networking, data center integration, or other high-demand networking environments, the GLC-ZX-SM provides the capabilities needed to maintain efficient, reliable network operations.


Item Number Cisco GLC-ZX-SM
Producer Cisco
Connection Interface LC single-mode
Module Type 1000Base-ZX Fibre Channel/Ethernet
Certifications EN 60825, EN 60950, FDA, MSA, RoHS Compliant
Wire Type 1000Base-ZX Ethernet
Connection Method Wired
Communication Standards Gigabit Ethernet, Fibre Channel
Maximum Data Speed 1.25 Gigabits per second
Special Features DDMI Support
Design Module for slot insertion
Maximum Distance 80 km
Light Frequency 1550 nanometers
Device Category SFP (mini-GBIC) transceiver module
Optical Wavelength 1550 nm
Cable Material Single-mode Fiber (SMF)
Operational Range Up to 70 km, varies by optical loss
Description 1Gbps SFP Transceiver for up to 70 km over SMF
Temperature Range for Operation 0°C to 70°C
Monitoring Feature Lacks Optical Digital Monitoring
Replaceability Can be exchanged while system is running in SFP LC ports
Standard Compliance SFP MSA, IEEE Std 802.3
Environmental Compliance Conforms with RoHS

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