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StarTech.com Juniper EX-SFP-1GE-LX Compatible SFP Module - 1000BASE-LX - 1GE SFP 1GbE Single Mode Fiber SMF Optic Transceiver 10km DDM
- 100% JUNIPER EX-SFP-1GE-LX COMPATIBLE SFP TRANSCEIVER: Designed, programmed and tested to work with compatible Juniper switches and routers to deliver dependable 1GbE connectivity
- TECHNICAL SPECS: 1000BASE-LX | 1Gbps | Single Mode (SMF) | LC Connector | 1310nm | Digital Diagnostic Monitoring (DDM) | Distances up to 10km (6.2mi)
- TESTED FOR OEM HOST COMPATIBILITY: Hot-swappable in Juniper routers and switches; DDM support reports the transceiver's status to most SNMP network management tools
- LIFETIME WARRANTY: Backed by a lifetime warranty on the life of the module itself - not the life of your switch. Our modules won't void your OEM warranty and supported by 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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Juniper EX-SFP-1GE-LX Compatible SFP - Gigabit Fiber 1000Base-LX SFP Transceiver Module - SM LC - 10 km (6.2 mi) - 1310 nm - Mini-GBIC with DDM / DOM
Warranty & Returns
Warranty, Returns, And Additional Information
Warranty
- Limited Warranty period (parts): 1 year
- Limited Warranty period (labor): 1 year
- Read full details
Return Policies
- Return for refund until: January 31, 2026
- Return for replacement until: January 31, 2026
- This item is covered by Newegg.com's Extended Holiday Return Policy.
- Read full return policy for details.
We want to ensure your holiday shopping this year is hassle-free. That’s why we’re automatically extending our return policies on almost every product! For purchases placed between November 1st, 2025 and December 31, 2025 you will have until January 31, 2026 to return your product.
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 EXSFP1GELXST is a Juniper EX-SFP-1GE-LX-compatible 1000BASE-LX SFP transceiver for network administrators connecting Juniper switches or routers over single-mode fiber, with 1GbE connectivity up to 10 km.
Recommended For
- Network administrators replacing a failed or damaged 1GbE LX optic in a compatible Juniper switch or router, while keeping the existing single-mode, duplex-LC fiber link.
- IT teams extending a 1GbE network between buildings, wiring closets, or remote network segments over compatible single-mode fiber, for links within the optic’s stated 10 km reach.
- Network operators who need a hot-swappable 1GbE fiber optic and want digital diagnostics monitoring for supported network-management tools.
- IT teams using an MSA-compliant switch that accepts uncoded SFP modules and have confirmed this optic’s compatibility with their specific switch model.
Real-World Use Scenarios
- Connecting switches in separate buildings over installed single-mode fiber: use a compatible module at each end to carry a 1GbE network link between buildings, up to the fiber link’s supported reach.
- Extending a wired network to a remote switch or network segment: install the module in a compatible switch or router at the fiber endpoint to provide a 1GbE connection without relying on a long copper run.
- Replacing a failed or damaged optic in a compatible Juniper switch or router: swap in the hot-pluggable module to restore the fiber link, provided the fiber path and equipment are compatible.
- Checking a fiber link during troubleshooting: use DDM readings in a supported network-management tool to review transceiver status and help investigate link issues.
Spec Summary
| Attribute | Value |
|---|---|
| Best For | 1000BASE-LX Gigabit Ethernet links over single-mode fiber between compatible network equipment, with a maximum reach of 10 km |
| Fiber Optics And Connector | 1310 nm wavelength over single-mode fiber, with a duplex LC fiber connector |
| Data Rate And Protocols | IEEE 802.3z 1000BASE-LX, TCP/IP, and transfer rates up to 1.25 Gbps |
| Compatibility And Installation | Juniper EX-SFP-1GE-LX compatible, MSA-compliant, and hot-pluggable |
| Monitoring | Supports Digital Diagnostics Monitoring (DDM/DOM) |
| 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 |
| Model Identifiers | StarTech.com model EXSFP1GELXST |
| Package Contents | One SFP transceiver |




