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StarTech.com GLCEXSMDST Cisco GLC-EX-SMD Compatible SFP Module - 1000BASE-EX Fiber Optical Transceiver
- 100% CISCO GLC-EX-SMD COMPATIBLE: Works with Cisco switches like Firepower, ASR920, IE2000, IE4000, ASR1000 and others
- TECHNICAL SPECS: 1000BASE-EX | 1 Gbps | Single Mode (SMF) | LC Connector | 1310nm | Digital Diagnostic Monitoring (DDM) | Distances up to 40km (24.8mi)
- TESTED FOR OEM HOST COMPATIBILITY: Hot-swappable in Cisco routers and switches; DDM support reports the transceiver's status to most SNMP network management tools
- OUTSTANDING SUPPORT: Backed by StarTech.com for the life of the module itself, not your equipment; our modules won't void your OEM support and with access to our Tech Advisors 5/24
- WORKS WITH MSA COMPLIANT SWITCHES: Also works with switch models from Ubiquiti, D-Link, Netgear, Supermicro, TP-Link and more that accept uncoded modules
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Overview
Specs
Reviews
GIGABIT FIBER SFP 1000BASE-EX CISCO GLC-EX-SMD COMPATIBLE SM
Warranty & Returns
Warranty, Returns, And Additional Information
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Warranty Notice:
This product does not include manufacturer warranty when purchased or used outside of its designated sales region. By purchasing internationally, you acknowledge that warranty support from the manufacturer will not be available.
Manufacturer Contact Info
- Manufacturer Product Page
- Manufacturer Website
- Support Phone: 1-800-265-1844
- Support Email: support@startech.com
- Support Website
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The StarTech.com GLCEXSMDST is a Cisco GLC-EX-SMD-compatible 1000BASE-EX SFP transceiver for network teams connecting Cisco routers or switches over single-mode fiber, with an LC duplex connector and reach up to 40 km.
Recommended For
- Network teams connecting Cisco switches or routers across a long single-mode fiber span who need a 1GbE link up to 40 km and a Cisco GLC-EX-SMD-compatible module.
- IT staff linking separate buildings, campuses, or network sites over existing single-mode fiber when the connection needs Gigabit Ethernet rather than 10GbE.
- Network operators who want to monitor compatible transceiver diagnostics through DDM/DOM while troubleshooting or managing a fiber link.
- Teams using MSA-compatible switches from other vendors who have confirmed that their specific device accepts this 1GbE SFP and want a Cisco-compatible alternative.
Real-World Use Scenarios
- Connecting two campus or facility network rooms across a long single-mode fiber run: the module can provide a 1GbE link where shorter-reach optics may not cover the distance, provided both endpoints and the fiber link budget are compatible.
- Linking network equipment at a remote site over existing single-mode fiber: it can carry Gigabit Ethernet across a long span without changing the link to a higher-speed technology, as long as the equipment supports the compatible 1000BASE-EX optic.
- Replacing a compatible Cisco GLC-EX-SMD optic in an existing switch or router: the hot-pluggable module can restore a 1GbE fiber connection without replacing the network device, after verifying that the device accepts this compatible transceiver.
- Checking an established fiber link during troubleshooting: DDM readings can help a network administrator inspect transceiver status and optical levels through supported device or network-management tools.
- Evaluating an unusually short fiber span for a 40km-rated optic: check the link’s optical power budget before deployment, since community troubleshooting discussions note that long-reach optics on low-loss short links may need attenuation to avoid excessive received power.
Spec Summary
| Attribute | Value |
|---|---|
| Best For | Cisco-compatible 1000BASE-EX links over single-mode fiber, with reach up to 40 km |
| Transceiver And Compatibility | SFP transceiver for IEEE 802.3z 1000BASE-EX networks; meets or exceeds OEM specifications and MSA standards |
| Optical Interface And Reach | 1310 nm wavelength, single-mode fiber, LC duplex female connector, up to 40 km (24.8 mi) |
| Data Rate And Protocol | Up to 1.25 Gbps; supports TCP/IP |
| Monitoring And Installation | Supports Digital Diagnostics Monitoring (DDM/DOM) and is hot-pluggable |
| Environmental Conditions | Operating temperature: 0°C to 70°C (32°F to 158°F); storage temperature: -40°C to 85°C (-40°F to 185°F); humidity: 5–95% RH |
| Warranty And Support | Lifetime warranty and free lifetime technical support |
| Package Contents | 1 SFP transceiver |
| Model Identifiers | StarTech.com model GLCEXSMDST |