Juniper SFP-1GE-SX (740-031851) Compatible 1000BASE-SX SFP
Juniper compatible SFP-1GE-SX - Key Features
- Compatibility: Juniper
- Media Type: Multi-Mode Fiber (MMF)
- Fiber Count: Duplex
- Connector: Double LC/UPC
- Maximum Distance: 550 m
- Average Link Budget: 7.5 dB
- Tx Wavelength: 850 nm
- Supported Data Rate: 1.063 Gbps - 1.25 Gbps
- DDM/DOM: Supported
- Temperature Range: Standard 0°-70°C
Juniper SFP-1GE-SX Price
In Stock - Ships Next Business DayJuniper compatible SFP-1GE-SX Specifications
Form Factor | SFP |
Media Type | Multi-Mode Fiber (MMF) |
Fiber Count | Duplex |
Connector | Double LC/UPC |
Maximum Distance | 550 m |
Average Link Budget | 7.5 dB |
TX Wavelength | 850 nm |
RX Wavelength | 850 nm |
Supported Data Rate | 1.063 Gbps - 1.25 Gbps |
Supported Ethernet Applications | Gigabit Ethernet (1.25 Gbps) |
Supported Fiber Channel Applications | 1G Fiber Channel (1.0625 Gbps) |
DDM/DOM | Supported |
Tx Wavelength Bandwidth | 20 nm (840-860 nm) |
Rx Wavelength Bandwidth | 20 nm (840-860 nm) |
Minimum Transmitting Power | -9.5 dBm |
Maximum Transmitting Power | 3 dBm |
Receiver Sensitivity | -17 dBm |
Receiver Overload | -3 dBm |
Dispersion | 110 ps/nm ps/nm |
Transmitter Type | VSCEL Laser |
Receiver Type | PIN photodiode |
Temperature Range | Standard 0°-70°C |
Power | +3.3V single power supply |
Compliance | CE, Class 1 FDA and IEC60825-1 Laser Safety Compliant, INF-8074i, RoHS, SFP MSA |
Juniper compatible SFP-1GE-SX Datasheet
v3Complete technical specifications and product details
Juniper compatible SFP-1GE-SX Description
EdgeOptic's SFP-1GE-SX compatible is a Juniper-coded version of the EdgeOptic 1.25G-SFP-550D multi-vendor 1000BASE-SX transceiver, carrying Juniper part number 740-031851. It runs Gigabit Ethernet at 1.25 Gbps (IEEE 802.3z) and 1G Fibre Channel SW at 1.0625 Gbps over duplex multimode fiber, with an 850nm VCSEL transmitter and a PIN photodiode receiver.
With a minimum guaranteed optical budget of 7.5 dB, the module reaches 550m over OM2 multimode fiber (50/125, 500 MHz·km) and 275m over OM1 (62.5/125). It uses a duplex LC/UPC interface and supports DDM/DOM diagnostics for live monitoring of optical power, bias current, and temperature. The module operates over the commercial 0 to 70°C range, built to the INF-8074i SFP MSA, +3.3V supply, CE/RoHS, Class 1 laser safety.
SFP-1GE-SX (740-031851) is Juniper's base 1GE-SX ordering code. EdgeOptic codes the EEPROM so Junos accepts the module without a software override. Juniper also markets this transceiver under platform-prefixed ordering codes; verify the exact code and supported chassis for your deployment in the Juniper Hardware Compatibility Tool before ordering.
Backed by 15+ years of EdgeOptic compatibility engineering across vendor optical platforms. Ships next business day from EU stock with a lifetime warranty. For part-number confirmation or platform questions, contact our sales team.
Frequently Asked Questions
What is the difference between Juniper SFP-1GE-SX (740-031851) and the EX-, SRX-, or QFX-SFP-1GE-SX codes?
SFP-1GE-SX (740-031851) is Juniper's base 1GE-SX ordering code. Juniper also sells this transceiver under platform-specific codes such as EX-, SRX-, and QFX-SFP-1GE-SX, which are listed under a different part number. Because the code Juniper qualifies depends on your chassis, confirm the correct ordering code for your platform in the Juniper Hardware Compatibility Tool, or contact our sales team for help matching the right part.