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SFP-GE40KM-C
1000Base-EX SFP 40km Juniper Compatible
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“SFP-GE40KM-C” is an SFP transceiver engineered for Gigabit Ethernet connectivity, supporting a 1G data rate over single-mode fiber. It features LC connectors and is designed for long-range applications with a transmission distance of up to 40 km, adhering to industry-standard SFP form factor requirements for seamless integration.
Built to support reliable Ethernet protocols, the SFP-GE40KM-C is ideal for data centers, enterprise networks, and telecom applications where dependable long-distance connectivity is critical. Its design focuses on optimum performance and stability in challenging network environments, ensuring efficient operation within the specified physical dimensions and industry-standard operating conditions.
SFP-GE40KM-C price is is available on request. Get immediate quote.
Request bulk order quote for SFP-GE40KM-C for additional pricing. Browse the full Juniper M, Mx, T Series Compatible Sfp series or explore all Orm products.
To get the detailed certification, please go to the Compliance Center.
| SFP-GE40KM-C |  SFP-1FE-FX-C |  SFP-1GE-SX-C |  SFP-1GE-LH-ET-C |  SFP-GE40KT15R13-C | |
|---|---|---|---|---|---|
| Product Type | Transceiver | Transceiver | Transceiver | Transceiver | Transceiver |
| Form Factor | SFP | SFP | SFP | SFP | SFP |
| Data Rate | 1G | 1G | 1G | 1G | 1G |
| Connector Type | LC | LC | LC | LC | LC |
| Wavelength | 1310 nm | 1310 nm | 850 nm | 1310 nm | 1310 nm |
| Transmission Distance | Long-Range | Short-Range | Short-Range | Long-Range | Long-Range |
| Fiber Type | Single-mode | Multi-mode | Multi-mode | Single-mode | Single-mode |
| Max Distance | 40 km | 2 km | 550m | 10 km | 40 km |
| Supported Protocols | Ethernet | Ethernet | Ethernet | Ethernet | Ethernet |
| Network Interface | Fiber | Fiber | Fiber | Fiber | Fiber |
| Power Consumption | N/A | 1.2 W | 1.5W | 1.5W | 3.5 W |
| 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 | Cisco | Cisco / Juniper / Huawei / Arista | Cisco / Juniper / Huawei / Arista | Cisco, Juniper, Huawei, Arista | Cisco, Juniper, Huawei, Arista |
| Product Name | SFP-GE40KM-C | SFP-1FE-FX-C | SFP-1GE-SX-C | SFP-1GE-LH-ET-C | SFP-GE40KT15R13-C |
| Height | N/A | N/A | 0.26 inches | 0.62 inches | 0.47 inches |
| Width | N/A | N/A | 1.10 inches | 0.74 inches | 0.75 inches |
| Depth | N/A | N/A | 0.72 inches | 1.25 inches | 0.65 inches |
| Weight | N/A | N/A | 0.04 lbs | 0.09 lbs | 0.3 lbs |
Impressive 40km reach for gigabit fiber. Perfectly compatible with our Juniper environment. Stable signaling and zero packet loss over our long-distance spans. Robust and reliable.
Exceptional long-range performance. These EX transceivers provide the signal power needed for 40km without degradation. Sturdy build quality and accurate diagnostic reporting. Very impressed.
Reliable and high-performing. We bridged our remote sites effortlessly with these modules. Clear signal margins and dependable data transport. Professional-grade optics and great value.
Outstanding 40km gigabit transport. Recognized instantly by our switches. These modules run cool and maintain perfect stability. Significant cost savings for our regional infrastructure expansion.
Steady and dependable long-haul optics. No configuration hurdles or signal drift detected. Perfect for extending our network efficiently over long single-mode fiber runs. Highly satisfied.
The SFP-GE40KM-C is a 1000Base-EX small form-factor pluggable (SFP) module that delivers up to 1.25 Gbps over single-mode fiber for distances up to 40 km and is fully compatible with Juniper network devices.
The SFP-GE40KM-C operates at a central wavelength of 1310 nm, optimized for long-reach single-mode fiber links up to 40 km.
Yes. The SFP-GE40KM-C supports hot-plug insertion and removal, enabling on-the-fly module swaps without powering down the switch or router.
The module features a duplex LC connector interface, compatible with standard LC/UPC single-mode fiber patch cables.
The SFP-GE40KM-C requires single-mode OS2 fiber; using ITU-G.652 compliant cables will ensure optimal performance up to 40 km.
This transceiver supports a fixed data rate of 1.25 Gbps (1000Base-EX), ideal for Gigabit Ethernet applications over extended distances.
Yes. The SFP-GE40KM-C is designed to interoperate seamlessly with Juniper EX, QFX, MX, SRX, and other Juniper platforms that accept 1000Base-EX SFP modules.
Yes. The SFP-GE40KM-C includes Digital Diagnostic Monitoring (DDM/DOM) for real-time monitoring of optical output power, receive power, temperature, laser bias current, and transceiver voltage.
The module employs a distributed feedback (DFB) laser diode, providing stable optical power and wavelength for long-distance transmission.
Standard modules operate from 0 °C to 70 °C (32 °F to 158 °F). Extended-temperature versions are available for ‑40 °C to 85 °C (-40 °F to 185 °F) industrial applications.
Yes. It is MSA-compliant, meeting IEEE 802.3ah 1000Base-EX specifications and RoHS environmental standards.
Yes. As an MSA-compliant 1000Base-EX SFP, the SFP-GE40KM-C is interoperable with Cisco, HP, Arista, Dell, and other vendors’ equipment that support standard SFP transceivers.
No configuration is required. The SFP-GE40KM-C supports auto-negotiation for link speed and polarity, allowing immediate plug-and-play operation.
The SFP-GE40KM-C offers the same performance, laser type, and compatibility as Juniper OEM 1000Base-EX SFPs at a lower cost, fully backed by industry-standard warranties.
All modules include a minimum one-year warranty with optional extended support plans covering RMA, technical guidance, and expedited shipping.
With the host device powered on or off, align the LC connector faceplate with the SFP cage, gently push until it latches, then verify link status via the device’s port LEDs or CLI.
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