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Reliable short reach gigabit optics.
SRX-SFP-1GE-SX
SMALL F/M FACTOR PLUGGABLE 1000BASE-SX GB ETHERNET OPTIC MOD
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Name:
SRX-SFP-1GE-SX
- Description:
- SMALL F/M FACTOR PLUGGABLE 1000BASE-SX GB ETHERNET OPTIC MOD
- Rating:
Added to cart 28 times recently
- Availability:
In stock - Ready to Ship
- Brand:
- Juniper
- GTIN:
- 783555071731
- Condition:
- Warranty:
- 3
- List Price:
$653.00
- Price:
$127.0080.6% off
Quantity:
1
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SRX-SFP-1GE-SX Overview
SRX-SFP-1GE-SX is a high-performance SFP transceiver that delivers a 1G data rate over short-range multimode fiber using LC connectors and operates at a wavelength of 850nm. Designed to support Ethernet protocols, this module is engineered for reliable connectivity in data centers, enterprise networks, and telecom applications.
Built in a compact SFP form factor, SRX-SFP-1GE-SX features industry-standard physical dimensions and energy-efficient operation that suit space-constrained network devices. Its compatibility with major vendors such as Cisco, Juniper, Huawei, and Arista makes it an ideal choice for seamless integration into diverse network environments.
SRX-SFP-1GE-SX price is $127.00, a 80.6% saving from the Juniper list price of $653.00. SRX-SFP-1GE-SX is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for SRX-SFP-1GE-SX for additional pricing. Browse the full Juniper Security Transceivers series or explore all Juniper products.
SRX-SFP-1GE-SX Specifications
- Product Type
- Transceiver
- Form Factor
- SFP
- Data Rate
- 1G
- Connector Type
- LC
- Wavelength
- 850nm
- Transmission Distance
- Short-Range
- Fiber Type
- Multi-mode
- Max Distance
- 550 meters
- Supported Protocols
- Ethernet
- Network Interface
- Fiber
- Power Consumption
- ≤1W
- Operating Temperature
- 0 to 70°C
- Storage Temperature
- -40 to 85°C
- Input Voltage
- 3.3V
- Compatibility
- Cisco / Juniper / Huawei / Arista
- Product Name
- SRX-SFP-1GE-SX
- Height
- 0.63 inches
- Width
- 0.94 inches
- Depth
- 1.38 inches
- Weight
- 0.08 lbs
SRX-SFP-1GE-SX Use Case
High-Density Data Center Fiber Uplink Optimization
In a high-density data center environment, deploying SRX-SFP-1GE-SX-Small Form-Factor Pluggable 1000BASE-SX GB Ethernet Optic Modules in top-of-rack switches enables 850 nm multimode fiber uplinks up to 550 m. This solution increases rack-to-aggregation throughput by 20%, reduces cabling complexity, and supports seamless capacity expansion without costly chassis upgrades.
Campus Network Building-to-Building Gigabit Extension
For educational and corporate campuses requiring reliable gigabit connectivity between buildings, the SRX-SFP-1GE-SX-Small Form-Factor Pluggable 1000BASE-SX GB Ethernet Optic Module delivers plug-and-play multimode fiber links up to 300 m. This deployment enhances user experience with high-bandwidth access, cuts network downtime by 30%, and simplifies fiber management for IT teams.
Industrial Automation Network Isolation and EMI Immunity
In manufacturing and industrial automation settings, SRX-SFP-1GE-SX-Small Form-Factor Pluggable 1000BASE-SX GB Ethernet Optic Modules provide fiber-based electrical isolation, eliminating EMI concerns over control network links up to 550 m. By ensuring deterministic cycle times and 99.99% uptime, this solution streamlines compliance with industry safety standards and boosts operational reliability.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| SRX-SFP-1GE-SX |  SRX-SFP-1GE-LH |  SRX-SFP-1GE-SX-ET |  SRX-CFP-100G-SR10 |  SRX-SFP-1GE-T-ET | |
|---|---|---|---|---|---|
| Product Type | Transceiver | Transceiver | Transceiver | Transceiver | Transceiver |
| Form Factor | SFP | SFP | SFP | CFP | SFP |
| Data Rate | 1G | 1G | 1G | 100G | 1G |
| Connector Type | LC | LC | LC | LC | RJ45 |
| Wavelength | 850nm | 1550 nm | 850 nm | N/A | N/A |
| Transmission Distance | Short-Range | Long-Range | Short-Range | Short-Range | Short-Range |
| Fiber Type | Multi-mode | Single-mode | Multi-mode | Single-mode | N/A |
| Max Distance | 550 meters | 80 km | 550 meters | 10 km | 100 meters |
| Supported Protocols | Ethernet | Ethernet | Ethernet | Ethernet | Ethernet |
| Network Interface | Fiber | Fiber | Ethernet | Ethernet | Ethernet |
| Power Consumption | ≤1W | N/A | N/A | N/A | 3.5W |
| Operating Temperature | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C | -40 to 85°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 | Cisco / Juniper / Huawei / Arista | Juniper | Juniper | N/A | Juniper |
| Product Name | SRX-SFP-1GE-SX | SRX-SFP-1GE-LH | SRX-SFP-1GE-SX-ET | SRX-CFP-100G-SR10 | SRX-SFP-1GE-T-ET 1 Gigabit Ethernet RJ45 SFP Transceiver |
| Height | 0.63 inches | N/A | N/A | N/A | 0.37 |
| Width | 0.94 inches | N/A | N/A | N/A | 0.87 |
| Depth | 1.38 inches | N/A | N/A | N/A | 1.65 |
| Weight | 0.08 lbs | N/A | N/A | N/A | 0.04 |
Reviews & Ratings
L
Luke Evans
4
Clean signal on multimode fiber.
M
Mark Turner
4
Easy installation.
V
Victor Lane
5
Stable access connectivity.
J
James Holt
4
Good everyday SFP.
Questions & Answers
What is the SRX-SFP-1GE-SX optical module?
The SRX-SFP-1GE-SX is a Small Form-Factor Pluggable (SFP) 1000BASE-SX Gigabit Ethernet transceiver optimized for multimode fiber links up to 550 meters.
Which fiber type does the SRX-SFP-1GE-SX support?
This module supports 50/125 µm and 62.5/125 µm multimode fiber (MMF) for reliable short-reach Gigabit Ethernet connections.
What is the maximum link distance of the SRX-SFP-1GE-SX?
Over 50/125 µm MMF, it achieves up to 550 meters; over 62.5/125 µm MMF, it supports distances up to 275 meters.
What connector does the SRX-SFP-1GE-SX use?
The module uses duplex LC connectors for industry-standard multimode fiber cabling.
What wavelength does the SRX-SFP-1GE-SX operate at?
It transmits at 850 nanometers, ensuring compatibility with 1000BASE-SX network requirements.
Is the SRX-SFP-1GE-SX hot-swappable?
Yes. It supports hot-swapping, enabling insertion or removal without powering down the host device.
Which devices are compatible with the SRX-SFP-1GE-SX?
It is fully compatible with Juniper SRX, EX, QFX, MX, and many third-party switches or routers that support 1000BASE-SX SFP modules.
Does the SRX-SFP-1GE-SX support Digital Optical Monitoring (DOM)?
Yes. Built-in DOM provides real-time monitoring of optical power, temperature, and voltage via the host interface.
What is the typical power consumption of the SRX-SFP-1GE-SX?
The module consumes less than 1.0 W under normal operation, optimizing energy efficiency for Gigabit networks.
What are the operating temperature and humidity ranges?
It operates between 0°C and 70°C with 5%–85% non-condensing humidity, meeting industrial temperature requirements.
How do I install the SRX-SFP-1GE-SX module?
Align the LC connector on the module with the SFP port, insert until it clicks, then connect your duplex MMF cable to establish a link.
What is the difference between 1000BASE-SX and 1000BASE-LX?
1000BASE-SX uses 850 nm for short-reach multimode links up to 550 m, whereas 1000BASE-LX uses 1310 nm for longer single-mode links up to 10 km.
Can I use third-party SFP modules with my Juniper device?
Yes. The SRX-SFP-1GE-SX is interoperable with any equipment that supports industry-standard 1000BASE-SX SFP transceivers.
What warranty covers the SRX-SFP-1GE-SX?
It is backed by a one-year limited warranty covering defects in materials and workmanship under normal use.
What are the key benefits of choosing the SRX-SFP-1GE-SX?
You gain cost-effective, high-speed Gigabit connectivity, hot-swap convenience, DOM support, and broad device compatibility for multimode networks.