Extreme 10051H Compatible 1G SFP Transceiver Module
The 10051H compatible module serves equipment requiring a 1G SFP interface with 850nm optics and a 550m over OM2 MMF rating. Connection is through Duplex LC. Product data, application guidance and factory verification are presented together to support field technicians install, maintain and identify the exact compatible module.
OEM Part Number: 10051HHT Part Number: SFP1G-SX-85-I
Product Highlights
- Compatible alternative to Extreme 10051H
- 1G connectivity at 1.25Gbps
- Optical wavelength: 850nm
- Specified reach: 550m over OM2 MMF
- Duplex LC / MMF interface
- Operating temperature: -40 to 85°C (-40 to 185°F)
- Factory compatibility verification and optical performance testing before shipment
Specifications
| Extreme Compatible | 10051H |
|---|---|
| Manufacturer | HT |
| HT Part Number | SFP1G-SX-85-I |
| Form Factor | SFP |
| Max. Data Rate | 1.25Gbps |
| Wavelength | 850nm |
| Max. Cable Distance | 550m over OM2 MMF |
| Connector | Duplex LC |
| Optical Components | VCSEL 850nm |
| Media | MMF |
| DOM Support | Yes |
| TX Power | -9.5~-3dBm |
| Receiver Sensitivity | < -17dBm |
| Industrial Temperature Range | -40 to 85°C (-40 to 185°F) |
| Protocols | IEEE 802.3z, SFF-8472, FC-PI, SFP MSA (INF-8074i) Compliant |
Field Installation and Maintenance
Inspect the connector and patch lead before installation, then support the fiber without pulling on the module housing. Release the latch properly during maintenance and keep dust protection on unused interfaces. If a module is removed for later use, retain its part-number label and record its original port. For this model, the principal parameters are data rate 1.25Gbps, wavelength 850nm, rated reach 550m over OM2 MMF.
Applications and Optical Link Design
Typical deployments include switch-to-switch, switch-to-server and aggregation links inside a data hall or between adjacent equipment rooms. The Duplex LC interface connects to the specified multimode cabling, and the stated reach depends on fiber grade and link loss. Keep this interface on the matching multimode optical standard rather than connecting it directly to a single-mode wavelength or reach variant.
The industrial temperature rating makes this version appropriate for controlled outdoor cabinets, transport nodes and other installations exposed to wider ambient temperature variation. Adequate airflow, protected cable routing and host-platform temperature limits still apply.
For this multimode module, confirm fiber grade, modal bandwidth and total loss before commissioning. The 550m over OM2 MMF figure applies only under suitable cabling conditions. Inspect every Duplex LC mating point and match the remote optical standard.
Optical Acceptance, Diagnostics and Handling
For this model, the specified transmit-power range is -9.5~-3dBm; receiver sensitivity is < -17dBm. During commissioning, record the host diagnostic readings after the link has stabilized and compare them with those limits. DOM values are useful operational indicators, but they do not replace calibrated optical measurements when a link is marginal. Investigate unexpected loss through connector inspection, cleaning and a channel measurement before replacing the module. Before every insertion, keep dust caps in place until the patch lead is ready, avoid touching the optical end face and use an appropriate inspection and cleaning procedure. Do not look into an active optical interface.
Quality Assurance and Packaging
Quality control covers the optical or electrical interface, host identification and operating link. The verified unit is then individually protected and cartoned. Customer references, rack groups and project packing lists can be added for volume orders.
Extreme Compatibility and Factory Testing
Factory verification starts with the expected 10051H identity and finishes with an operating host link. EEPROM data, diagnostic visibility and the stated optical parameters are assessed together. Equipment model, hardware revision and software release can be reviewed before dispatch where platform behavior is uncertain.
Frequently Asked Questions
Is this an original Extreme transceiver?
No. It is an HT-manufactured compatible alternative for equipment that specifies 10051H, not an original Extreme-branded module.
Which fiber and connector are required?
Use Duplex LC with MMF. The specified maximum reach is 550m over OM2 MMF, subject to fiber quality and total link loss.
Can it be mixed with another wavelength or reach version?
Only when the two ends share the same optical standard, wavelength plan and supported data rate. Check the exact part numbers and link budget rather than relying only on the module form factor.
Ordering Information
Use 10051H as the compatibility cross-reference and SFP1G-SX-85-I as the HT ordering identity. Keep other reaches or wavelength directions on separate order lines. Neutral labels, customer packaging and project-specific compatibility review are available on request.
Shipping and Lead Time
Standard configurations normally ship within one to three working days, with production lead times confirmed for larger quantities. International courier, air freight and sea freight are available; customer courier accounts and nominated forwarders are accepted.
