EX-SFP-1GE-LX: Juniper 1000BASE-LX SFP Optical Transceiver Module
Also listed as: 740-011614, FTRJ1319P1BTL-J1
The Juniper EX-SFP-1GE-LX is a 1000BASE-LX SFP optical transceiver module delivering Gigabit Ethernet transmission up to 10 kilometers over single mode optical fibre.
Specifications
| Part number | EX-SFP-1GE-LX |
|---|---|
| Brand | Juniper |
| Type | Transceivers |
| Other numbers | 740-011614, FTRJ1319P1BTL-J1 |
| Status | current |
| Form factor | SFP |
| Speed | 1GbE |
| Wavelength nm | 1,310 |
| Connector | LC duplex |
| Cable type | Single Mode Fibre |
| Max distance m | 10,000 |
About the EX-SFP-1GE-LX
The Juniper EX-SFP-1GE-LX transceiver delivers reliable Gigabit Ethernet connectivity over intermediate campus distances and metropolitan optical loops. Operating at 1310 nanometers on single mode fibre, it provides low latency optical transport up to 10 kilometers for connecting geographically separated enterprise facilities.
Compatibility
Compatible with Juniper EX2200, EX2300, EX3300, EX3400, EX4200, EX4300, EX4400, and SRX Series branch gateways. It operates seamlessly in standard SFP slots and multi-speed SFP+ ports with full configuration support and digital diagnostic reporting in Junos OS.
How to identify a genuine unit
Packaged in an SFP metal enclosure with a blue optical latch bail signifying 1310nm single mode laser optics. The product label carries Juniper branding, model designation EX-SFP-1GE-LX, manufacturing part number 740-011614, and regulatory safety marks.
Buying used
Inspect optical ferrule surfaces for cleanliness and verify mechanical integrity of the bail latch. Seat the transceiver into a test switch to confirm link negotiation at 1000Mbps and review system messages to ensure genuine Juniper optics recognition without hardware warnings.
Fits these models
- Juniper EX Series EX2200
- Juniper EX Series EX2300
- Juniper EX Series EX2300-C
- Juniper EX Series EX3300
- Juniper EX Series EX3400
- Juniper EX Series EX4200
- Juniper EX Series EX4300
- Juniper EX Series EX4300 Multigigabit
- Juniper EX Series EX4400
- Juniper EX Series EX4400 Multigigabit
- Juniper EX Series EX9204
- Juniper EX Series EX9208
- Juniper EX Series EX9214
- Juniper SRX Series SRX300
- Juniper SRX Series SRX320
- Juniper SRX Series SRX340
- Juniper SRX Series SRX345
- Juniper SRX Series SRX380
- Juniper SRX Series SRX550
Check compatibility with Juniper
Before you buy, confirm the exact configuration against the vendor's own lists: firmware levels, operating systems, adapters and optics that Juniper has tested with the Juniper EX-SFP-1GE-LX.
- Compatibility Juniper Hardware Compatibility Tool (optics and modules)
- Specifications Juniper TechLibrary
- Support Juniper Support
FAQ
What is the maximum transmission distance for EX-SFP-1GE-LX?
It supports links up to 10 kilometers over standard single mode fibre.
Can this transceiver operate over multimode fibre?
Yes, it can reach up to 550 meters over multimode fibre when using a mode conditioning patch cord.
Buying or selling EX-SFP-1GE-LX?
New, refurbished or used. Tell us the quantity and condition and we connect you with a vetted reseller in your region, usually within one working day.
Sources
- Juniper Hardware Compatibility Tool EX-SFP-1GE-LX, checked 2026-10-27