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Tom Bradley
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Extended temperature LX optics performed reliably.
SRX-SFP-1GE-LX-ET
EXTENDED TEMPERATURE SFF FACTOR PLUGGABLE 1000BASE-LX GBE EN...
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Name:
SRX-SFP-1GE-LX-ET
- Description:
- EXTENDED TEMPERATURE SFF FACTOR PLUGGABLE 1000BASE-LX GBE ENET
- Rating:
Added to cart 28 times recently
- Availability:
In stock - Ready to Ship
- Brand:
- Juniper
- GTIN:
- 783555071748
- Condition:
- Warranty:
- 3
- List Price:
$1,632.00
- Price:
$1,026.0037.1% off
Quantity:
1
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SRX-SFP-1GE-LX-ET Overview
SRX-SFP-1GE-LX-ET is a compact SFP transceiver module engineered for 1G Ethernet applications. It features an LC connector and utilizes a 1310 nm wavelength to achieve long-range transmission over single-mode fiber, with a maximum reach of up to 10 km. The module complies with industry-standard SFP form factor and is ideally suited for data centers, enterprise networks, and telecom infrastructures.
SRX-SFP-1GE-LX-ET supports Ethernet protocols and is designed to offer reliable performance in standard operating environments with temperatures ranging from 0 to 70°C, and storage conditions from -40 to 85°C. With a 3.3V input voltage and a power consumption of 1.2W, this transceiver meets the demands of high-performance network deployments while maintaining compact physical dimensions.
SRX-SFP-1GE-LX-ET price is $1,026.00, a 37.1% saving from the Juniper list price of $1,632.00. SRX-SFP-1GE-LX-ET is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for SRX-SFP-1GE-LX-ET for additional pricing. Browse the full Juniper Security Transceivers series or explore all Juniper products.
SRX-SFP-1GE-LX-ET Specifications
- Product Type
- Transceiver
- Form Factor
- SFP
- Data Rate
- 1G
- Connector Type
- LC
- Wavelength
- 1310 nm
- Transmission Distance
- Long-Range
- Fiber Type
- Single-mode
- Max Distance
- 10 km
- Supported Protocols
- Ethernet
- Network Interface
- Ethernet
- Power Consumption
- 1.2W
- Operating Temperature
- 0 to 70°C
- Storage Temperature
- -40 to 85°C
- Input Voltage
- 3.3V
- Compatibility
- Juniper
- Product Name
- SRX-SFP-1GE-LX-ET
- Height
- 0.33 inches
- Width
- 0.53 inches
- Depth
- 2.22 inches
- Weight
- 0.09 lbs
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| SRX-SFP-1GE-LX-ET |  SRX-SFP-10GE-LR |  SRX-SFP-1GE-T |  SRX-SFP-1GE-SX-ET |  SRX-CFP-100G-SR10 | |
|---|---|---|---|---|---|
| Product Type | Transceiver | Transceiver | Transceiver | Transceiver | Transceiver |
| Form Factor | SFP | SFP+ | SFP | SFP | CFP |
| Data Rate | 1G | 10G | 1G | 1G | 100G |
| Connector Type | LC | LC | RJ45 | LC | LC |
| Wavelength | 1310 nm | 1310 nm | N/A | 850 nm | N/A |
| Transmission Distance | Long-Range | Long-Range | Short-Range | Short-Range | Short-Range |
| Fiber Type | Single-mode | Single-mode | N/A | Multi-mode | Single-mode |
| Max Distance | 10 km | 10 km | 100 meters | 550 meters | 10 km |
| Supported Protocols | Ethernet | Ethernet | Ethernet | Ethernet | Ethernet |
| Network Interface | Ethernet | Fiber | Ethernet | Ethernet | Ethernet |
| Power Consumption | 1.2W | N/A | 2.5W | N/A | N/A |
| Operating Temperature | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C |
| Storage Temperature | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C |
| Input Voltage | 3.3V | 3.3V | 3.3V | 3.3V | 3.3V |
| Compatibility | Juniper | Juniper | Juniper Networks | Juniper | N/A |
| Product Name | SRX-SFP-1GE-LX-ET | SRX-SFP-10GE-LR | SRX-SFP-1GE-T | SRX-SFP-1GE-SX-ET | SRX-CFP-100G-SR10 |
| Height | 0.33 inches | N/A | 0.33 inches | N/A | N/A |
| Width | 0.53 inches | N/A | 0.53 inches | N/A | N/A |
| Depth | 2.22 inches | N/A | 2.22 inches | N/A | N/A |
| Weight | 0.09 lbs | N/A | 0.07 lbs | N/A | N/A |
Reviews & Ratings
S
Sean Whitman
4
Good fit for outdoor cabinets.
M
Marcus Lee
5
Stable gigabit throughput.
V
Victor Grant
5
No link drops.
D
Daniel Ross
4
Worked as specified.
Questions & Answers
What is the SRX-SFP-1GE-LX-ET transceiver?
The SRX-SFP-1GE-LX-ET is an extended-temperature SFF pluggable 1000BASE-LX Gigabit Ethernet module supporting up to 10 km single-mode fiber connectivity.
Which devices support the SRX-SFP-1GE-LX-ET?
The SRX-SFP-1GE-LX-ET is compatible with Juniper SRX series and any switch or router featuring an SFP slot and 1000BASE-LX capability.
What is the maximum link distance of SRX-SFP-1GE-LX-ET?
This module supports up to 10 kilometers of single-mode fiber at 1310 nm wavelength.
At what wavelength does the SRX-SFP-1GE-LX-ET operate?
It operates at a nominal 1310 nanometer wavelength for long-haul transmission.
What temperature range does the SRX-SFP-1GE-LX-ET support?
The module is rated for industrial operation from –40 °C to +85 °C.
How do I install the SRX-SFP-1GE-LX-ET module?
Simply insert the SRX-SFP-1GE-LX-ET into an empty SFP slot until the latch clicks, then configure the port for 1000BASE-LX in your device’s CLI or GUI.
Does the SRX-SFP-1GE-LX-ET support full duplex?
Yes, the SRX-SFP-1GE-LX-ET supports full-duplex communication at 1 Gbps.
What fiber cable type and connector are required?
Use single-mode fiber (SMF) with LC-to-LC connectors for optimal performance.
Is the SRX-SFP-1GE-LX-ET hot-swappable?
Yes, you can insert or remove the module without powering down the host device.
What data rate does the SRX-SFP-1GE-LX-ET support?
It supports a line rate of 1 Gbps with a host interface speed of 1.25 Gbps.
What are the primary use cases for the extended-temperature model?
Ideal for industrial, outdoor, and harsh-environment deployments requiring operation below 0 °C or above 70 °C.
How can I verify the SRX-SFP-1GE-LX-ET is functioning correctly?
Use your device’s diagnostics command (e.g., show interfaces diagnostics optics) to check link status, Tx/Rx power and module temperature.
Does the module support digital diagnostics monitoring (DDM)?
Yes, it features DDM for real-time monitoring of optical power, temperature, and voltage.
What warranty and support are included with the SRX-SFP-1GE-LX-ET?
The module carries a one-year limited hardware warranty, with optional extended support available.
How does the SRX-SFP-1GE-LX-ET differ from the standard SRX-SFP-1GE-LX?
The ET version extends the operating temperature from –40 °C to +85 °C, versus 0 °C to 70 °C for the commercial-grade model.
Can I use the SRX-SFP-1GE-LX-ET for both indoor and outdoor installations?
Yes, when housed in a weatherproof enclosure, it supports both indoor rack and outdoor cabinet deployments.
How do I configure the SRX-SFP-1GE-LX-ET on a Juniper device?
In Junos OS CLI, assign the interface media type: set interfaces <name> media 1000-LX and commit the configuration.