Cisco SFP (mini-GBIC) Transceiver Module GLC-EX-SMD

CISCO GENUINE. BRAND NEW. FACTORY SEALED. FULL CISCO WARRANTY. FROM CHICAGO COMPUTER SUPPLY

Overview

When your network needs reliable 1G fiber links beyond standard campus distances, you need an optic built for true long-reach performance. The Cisco GLC-EX-SMD is designed for 1000Base-EX Gigabit Ethernet connectivity over single-mode fiber (SMF), supporting link spans up to 40 km.

This SFP (mini-GBIC) module uses LC/PC connectors and fits into standard SFP slots, making it easy to deploy across compatible Cisco switching and routing environments. It’s a strong choice for metro-style links, extended enterprise backbones, and building-to-building connections where stable performance matters more than shortcuts.

If you want long-distance 1G connectivity with Cisco-grade reliability, this module delivers.

Key Features

• Supports 1G Gigabit Ethernet fiber connectivity for long-distance links
• Designed for 1000Base-EX single-mode deployments
• Supports up to 40 km reach over standard SMF
• Uses LC/PC duplex connectors for common enterprise fiber setups
• Plug-in SFP (mini-GBIC) form factor for fast installation
• Reliable option for long-range uplinks and backbone connections
• Works well in enterprise, campus extension, and transport-style networks
• Cisco genuine module supplied new with full warranty coverage

Technical Specifications

Description: Cisco SFP (mini-GBIC) Transceiver Module LC/PC Single-Mode GLC-EX-SMD
Product Type: SFP (mini-GBIC) Transceiver Module
Connectivity Technology: Wired
Ethernet Standard: 1000Base-EX
Fiber Type: Single-Mode Fiber (SMF)
Max Distance: Up to 40 km
Connector Type: LC/PC (Duplex)
Interfaces: 1 x Network - Ethernet 1000Base-EX - LC/PC Single-Mode x 2
Compatible Slots: 1 x SFP (mini-GBIC)
Cisco Part Number: GLC-EX-SMD=
UPC: 882658277047

Deployment Note:
For back-to-back connectivity, Cisco recommends using a 5 dB inline optical attenuator between the fiber cable and the receiving port at each end of the link.

Use Cases

The Cisco GLC-EX-SMD is ideal for organizations that need long-reach 1G fiber connectivity over extended distances. It is well-suited for metro-style enterprise links, campus-to-campus runs, backbone uplinks, and facilities that rely on single-mode fiber to maintain stable performance. If you need 1000Base-EX reach of up to 40 km while keeping your infrastructure Cisco-compatible, this optic is a strong, practical choice.

Why Choose the GLC-EX-SMD

• Long-distance Cisco SFP designed for 1000Base-EX networks
• Supports up to 40 km over single-mode fiber
• Uses LC/PC connectors, common in enterprise fiber deployments
• Ideal for backbone links and extended network connectivity
• Plug-in SFP design supports quick replacement and easy scaling
• Cisco genuine module supplied brand new and factory sealed
• Backed by a full Cisco warranty for confident deployment

FAQs

What is the Cisco GLC-EX-SMD used for?

The Cisco GLC-EX-SMD provides 1G Gigabit Ethernet connectivity over single-mode fiber using the 1000Base-EX standard. It is for long-distance fiber links.

What is the maximum distance supported by the GLC-EX-SMD?

This module supports distances up to 40 km over standard single-mode fiber. Actual performance depends on fiber quality, patching, and link design.

What connector type does the GLC-EX-SMD use?

It uses LC/PC duplex connectors, which are best for enterprise single-mode fibre networks.

Is the GLC-EX-SMD compatible with standard SFP slots?

Yes. It is an SFP (mini-GBIC) plug-in module, designed to work in compatible Cisco equipment that supports SFP ports.

What network standard does this transceiver support?

It supports 1000Base-EX, a long-reach Gigabit Ethernet standard for single-mode fiber deployments.

Do I need an attenuator for this optic?

For back-to-back connectivity, Cisco recommends using a 5 dB inline optical attenuator between the fiber cable and the receiving port at each end of the link.

Is this optic suitable for long-range enterprise uplinks?

Yes. With a reach of up to 40 km, it is a strong fit for long-range uplinks, backbone runs, and extended-enterprise fiber links.

Is this product new and covered under warranty?

Yes. This module is Cisco genuine, brand-new, factory-sealed, and includes the full Cisco warranty from Chicago Computer Supply.