United States$5,000,000+
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Paul Simmons
5
Long haul gigabit optics delivered consistent links.
SRX-SFP-1GE-LH
SMALL F/M FACTOR PLUGGABLE 1000BASE-LH GB ETHERNET OPTIC MOD
FEATURED DEAL
Name:
SRX-SFP-1GE-LH
- Description:
- SMALL F/M FACTOR PLUGGABLE 1000BASE-LH GB ETHERNET OPTIC MOD
- Rating:
Added to cart 28 times recently
- Availability:
In stock - Ready to Ship
- Brand:
- Juniper
- GTIN:
- 849171048370
- Condition:
- Warranty:
- 3
- List Price:
$7,925.00
- Price:
$4,991.0037% off
Quantity:
1
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SRX-SFP-1GE-LH Overview
SRX-SFP-1GE-LH is a compact SFP transceiver module designed to deliver a reliable 1G data rate over single-mode fiber connections. It utilizes an LC connector interface and is optimized for long-range transmission, making it an ideal solution for Ethernet networks in telecom and enterprise environments.
SRX-SFP-1GE-LH’s form factor adheres to industry-standard SFP dimensions, ensuring seamless integration into data centers and network infrastructures. With support for Ethernet protocols and proven performance in long-haul applications, it offers a dependable option for extending connectivity and maintaining robust communication links.
SRX-SFP-1GE-LH price is $4,991.00, a 37% saving from the Juniper list price of $7,925.00. SRX-SFP-1GE-LH is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for SRX-SFP-1GE-LH for additional pricing. Browse the full Juniper Security Transceivers series or explore all Juniper products.
SRX-SFP-1GE-LH Specifications
- Product Type
- Transceiver
- Form Factor
- SFP
- Data Rate
- 1G
- Connector Type
- LC
- Wavelength
- 1550 nm
- Transmission Distance
- Long-Range
- Fiber Type
- Single-mode
- Max Distance
- 80 km
- Supported Protocols
- Ethernet
- Network Interface
- Fiber
- Power Consumption
- N/A
- Operating Temperature
- 0 to 70°C
- Storage Temperature
- -40 to 85°C
- Input Voltage
- 3.3V
- Compatibility
- Juniper
- Product Name
- SRX-SFP-1GE-LH
- Height
- N/A
- Width
- N/A
- Depth
- N/A
- Weight
- N/A
SRX-SFP-1GE-LH Use Case
Data Center Long-Reach Uplink with SRX-SFP-1GE-LH for Storage Replication
In a distributed data center architecture, IT teams deploy the SRX-SFP-1GE-LH-SMALL F/M Factor Pluggable 1000BASE-LH GB Ethernet Optic Module to link core switches and disk arrays over single-mode fiber spans up to 10 km. The module delivers consistent 1 Gbps throughput with sub-microsecond latency and hot-swap capability. Benefit: Guarantees uninterrupted storage replication, lowers recovery point objectives (RPO) and boosts overall data resiliency.
Campus Backbone Connectivity for Enterprise Network Segmentation
A large university implements VLAN-segmented networks across multiple buildings by installing the SRX-SFP-1GE-LH-SMALL optic in aggregation switches. Leveraging 1000BASE-LH up to 10 km, administrators enable high-speed, secure links without intermediate repeaters. Benefit: Simplifies network segmentation, minimizes fiber infrastructure costs and enhances security with dedicated fiber paths.
Industrial Facility Remote Monitoring Over Single-Mode Fiber
In an automated manufacturing plant, engineers use the SRX-SFP-1GE-LH-SMALL pluggable module to connect control cabinets and SCADA servers across a 7 km single-mode fiber loop. The module’s industrial-grade optics ensure electromagnetic immunity and stable 1 Gbps performance in harsh environments. Benefit: Ensures real-time data acquisition, reduces downtime risk and supports predictive maintenance workflows.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| SRX-SFP-1GE-LH |  SRX-SFP-10GE-SR |  SRX-SFP-1GE-SX |  SRX-SFP-1GE-LH-ET |  SRX-SFP-10GE-DAC-3M | |
|---|---|---|---|---|---|
| Product Type | Transceiver | Transceiver | Transceiver | Transceiver | Transceiver |
| Form Factor | SFP | SFP | SFP | SFP | SFP+ |
| Data Rate | 1G | 10G | 1G | 1G | 10G |
| Connector Type | LC | LC | LC | LC | N/A |
| Wavelength | 1550 nm | 850nm | 850nm | 1310 nm | N/A |
| Transmission Distance | Long-Range | Short-Range | Short-Range | Long-Range | Short-Range |
| Fiber Type | Single-mode | Multi-mode | Multi-mode | Single-mode | N/A |
| Max Distance | 80 km | 300 meters | 550 meters | 10 km | 3 meters |
| Supported Protocols | Ethernet | Ethernet | Ethernet | Ethernet | Ethernet |
| Network Interface | Fiber | Fiber | Fiber | Fiber | Ethernet |
| Power Consumption | N/A | 1.5W | ≤1W | N/A | N/A |
| Operating Temperature | 0 to 70°C | 0 to 70°C | 0 to 70°C | -40 to 85°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 | Cisco / Juniper / Huawei / Arista | Cisco / Juniper / Huawei / Arista | Juniper |
| Product Name | SRX-SFP-1GE-LH | SRX-SFP-10GE-SR | SRX-SFP-1GE-SX | SRX-SFP-1GE-LH-ET | SRX-SFP-10GE-DAC-3M |
| Height | N/A | 0.65 inches | 0.63 inches | N/A | N/A |
| Width | N/A | 0.87 inches | 0.94 inches | N/A | N/A |
| Depth | N/A | 1.80 inches | 1.38 inches | N/A | N/A |
| Weight | N/A | 0.09 lbs | 0.08 lbs | N/A | N/A |
Reviews & Ratings
N
Nathan Brooks
4
Stable performance over extended distances.
R
Ryan Cooper
4
Good choice for backbone links.
V
Victor Lane
5
Reliable gigabit connectivity.
S
Scott Miller
5
No issues experienced.
Questions & Answers
What is the SRX-SFP-1GE-LH module?
The SRX-SFP-1GE-LH is a Small Form-Factor Pluggable (SFP) 1000BASE-LH Gigabit Ethernet optical transceiver designed for single-mode fiber links up to 10 km.
What data rate does the SRX-SFP-1GE-LH support?
It supports a 1 Gbps full-duplex data rate compliant with IEEE 802.3z 1000BASE-LH standards.
Which fiber type is compatible with the SRX-SFP-1GE-LH?
The module is compatible with single-mode fiber (SMF) offering low attenuation and high-precision long-haul transmission.
What is the maximum transmission distance?
The SRX-SFP-1GE-LH supports link distances of up to 10 km over single-mode fiber at 1310 nm wavelength.
Which connector does the SRX-SFP-1GE-LH use?
It uses a standard LC duplex connector for reliable fiber coupling and easy field installation.
Is the SRX-SFP-1GE-LH hot-swappable?
Yes. The module is hot-pluggable, allowing insertion or removal without powering down the host device.
Which devices are compatible with SRX-SFP-1GE-LH?
It interoperates with Juniper SRX series, EX switches, QFX series, and any multi-vendor equipment supporting standard SFP 1000BASE-LH optics.
Does the SRX-SFP-1GE-LH support Digital Diagnostics Monitoring (DDM)?
Yes. It provides real-time monitoring of optical power, temperature, laser bias current and supply voltage via SFF-8472.
What operating wavelength does the SRX-SFP-1GE-LH use?
The transmitter operates at a nominal wavelength of 1310 nm for long-haul single-mode fiber applications.
What is the operating temperature range?
The module is rated for 0 °C to 70 °C (32 °F to 158 °F) ambient temperature for standard commercial deployments.
What warranty and support are included?
Juniper provides a limited one-year warranty and full technical support for the SRX-SFP-1GE-LH under the Juniper Care policy.
How do I install the SRX-SFP-1GE-LH in my switch or router?
Align the module with the SFP port, insert until the latch clicks, and verify link status via the device’s management interface.
Can I use SRX-SFP-1GE-LH in a mixed-vendor environment?
Yes. It adheres to industry standards for SFP 1000BASE-LH, ensuring interoperability across compliant network equipment.
How can I monitor module performance?
Use your switch or router’s CLI or GUI to query SFF-8472 DDM registers for real-time optical power, temperature and voltage readings.
What applications is the SRX-SFP-1GE-LH ideal for?
It’s suited for enterprise backbone links, data center interconnects and campus networks requiring up to 10 km reach.
Does the SRX-SFP-1GE-LH require special drivers or firmware?
No. It is plug-and-play and auto‐negotiates with any standard SFP-capable 1 Gbps port without additional software.