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JH645A-C
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- 10G SFP+ LC SR XCVR HP Arista Compatible
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3 Year Extended Warranty
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Larger orders are dispatched through freight forwarding partners. Delivery takes 7–10 business days, globally.
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Every shipment is delivered directly to your address — regardless of country or carrier.
Our best-in-class warranties
3-Year Extended Warranty
Extended protection, enterprise-grade.
All enterprise hardware is backed by a 3-year warranty — triple the industry standard — covering defects under normal use.
Professional repairs & replacements.
If a hardware issue is confirmed, we’ll repair or replace the unit. Replacement parts carry either original or 3-month coverage.
RMA process, simplified.
Once an RMA is approved, return the defective unit within 10 days. We handle the rest — no service gaps.
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What’s covered — and what’s best avoided.
Your warranty covers defects under normal use. For continued protection, avoid accidental damage, unauthorized repairs, third-party parts, or extreme environments.
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In some regions, return-to-factory or remote service may apply. On-site service depends on infrastructure availability.
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Return any product within 14 days of delivery if it doesn’t meet your technical or operational needs.
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Covered for any early faults.
All equipment includes a 30-day replacement warranty. If something goes wrong, we’ll repair or swap it — fast.
Replacements shipped in 10 days or less.
Once your return is inspected and approved, we dispatch the replacement promptly to keep your operations moving.
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Just ensure all accessories and original packaging are intact — we’ll take care of the technical validation.
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JH645A-C Overview
JH645A-C is a 10G SFP+ transceiver module equipped with an LC connector that delivers high-speed optical connectivity for enterprise data centers and telecom networks. Designed for long-range transmission over single-mode fiber, it reliably supports 10G Ethernet and fiber channel protocols while maintaining a compact form factor suitable for high-density applications.
JH645A-C features robust physical dimensions that simplify integration into existing network infrastructures and ensure optimal performance in mission-critical environments. Its design addresses the needs of data centers and enterprise networks by providing extended-reach connectivity, excellent interoperability with leading vendor platforms, and a proven solution for high-speed communications.
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JH645A-C Specifications
| Product Type | Transceiver |
| Form Factor | SFP+ |
| Data Rate | 10G |
| Connector Type | LC |
| Wavelength | 1310 nm |
| Transmission Distance | Long-Range |
| Fiber Type | Single-mode |
| Max Distance | 10 km |
| Supported Protocols | Ethernet, Fibre Channel |
| Network Interface | Fiber |
| Power Consumption | N/A |
| Operating Temperature | 0 to 70°C |
| Storage Temperature | -40 to 85°C |
| Input Voltage | 3.3V |
| Compatibility | Cisco / Juniper / Huawei / Arista |
| Product Name | JH645A-C 10G SFP+ LR Transceiver |
| Height | N/A |
| Width | N/A |
| Depth | N/A |
| Weight | N/A |
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
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|---|---|---|---|---|---|
| Compatibility | Cisco, Juniper, Huawei, Arista | Cisco, Juniper, Huawei, Arista | Cisco / Juniper / Huawei / Arista | Cisco / Juniper / Huawei / Arista | Cisco / Juniper / Huawei / Arista |
| Connector Type | LC | SC | LC | LC | LC |
| Data Rate | 10G | 1G | 10G | 10G | 10G |
| Depth | 1.8 inches | 1.75 inches | 1.0 inches | N/A | 0.69 in |
| Fiber Type | Single-mode | Single-mode | Single-mode | Single-mode | Multi-mode |
| Form Factor | SFP | SFP | XFP | SFP+ | SFP+ |
| Height | 0.3 inches | 0.65 inches | 0.65 inches | N/A | 0.22 in |
| Input Voltage | 3.3V | 3.3V | 3.3V | 3.3V | 3.3V |
| Max Distance | 80 km | 20 km | 80 km | 10 km | 300m |
| Network Interface | Ethernet | Fiber | Ethernet | Fiber | Fiber |
| Operating Temperature | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C |
| Power Consumption | 2.5 W | 2.5W | 3.5W | N/A | N/A |
| Product Name | DWDM-SFP-4612= | SFP-GE-BXU1-SC | DWDM-XFP-3190-C | JH645A-C 10G SFP+ LR Transceiver | AA1403016-5494-E6-C 10GBASE-SR SFP+ Transceiver |
| Product Type | Transceiver | Transceiver | Transceiver | Transceiver | Transceiver |
| Storage Temperature | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C |
| Supported Protocols | Ethernet, Fibre Channel | Ethernet | Ethernet | Ethernet, Fibre Channel | Ethernet |
| Transmission Distance | Extended-Range | Long-Range | Long-Range | Long-Range | Short-Range |
| Wavelength | 1550 nm | 1310 nm / 1490 nm | 1555 nm | 1310 nm | 850nm |
| Weight | 0.2 lbs | 0.12 lbs | 0.22 lbs | N/A | 0.06 lbs |
| Width | 0.5 inches | 0.90 inches | 3.0 inches | N/A | 0.87 in |
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Questions & Answers
Q
What is the JH645A-C 10G SFP+ LC SR XCVR?
A
The JH645A-C is a 10 Gigabit SFP+ short-reach transceiver with an LC duplex interface, designed for multimode fiber links up to 300 meters.
Q
Which switches and routers are compatible with the JH645A-C?
A
The JH645A-C is fully interoperable with HP and Arista 10G SFP+ ports, as well as other vendor equipment supporting industry-standard SFF-8431/SFF-8432 specifications.
Q
What wavelength does the JH645A-C operate at?
A
This transceiver operates at a nominal wavelength of 850 nanometers, optimized for short-reach multimode fiber environments.
Q
What is the maximum transmission distance for the JH645A-C?
A
Over OM3 fiber, the JH645A-C supports distances up to 300 meters; on OM4 fiber, it extends to 400 meters at 10 Gbps.
Q
Does the JH645A-C support digital diagnostics monitoring (DDM)?
A
Yes. The JH645A-C includes Digital Diagnostics Monitoring (DDM) for real-time monitoring of optical power, temperature, voltage, and laser bias current.
Q
Is the JH645A-C hot-swappable?
A
Yes. The SFP+ form factor allows hot-swapping without powering down your network switch or router.
Q
What type of fiber cable is required for the JH645A-C?
A
This transceiver requires OM3 or OM4 multimode fiber with an LC/LC duplex connector to achieve the specified reach.
Q
How do I install the JH645A-C in an HP or Arista switch?
A
Insert the JH645A-C module into an available SFP+ slot, push until it snaps in place, then connect your LC duplex fiber patch cord.
Q
What is the operating temperature range of the JH645A-C?
A
The JH645A-C operates reliably between 0 °C to 70 °C ambient temperature, making it suitable for standard data-center environments.
Q
What is the power consumption of the JH645A-C?
A
Typical power consumption is 0.8 Watts per port, ensuring efficient energy use in high-density deployments.
Q
Does the JH645A-C include a warranty?
A
Yes. The transceiver comes with a one-year replacement warranty backed by our global support network.
Q
What certifications does the JH645A-C carry?
A
It is certified for CE, FCC, RoHS, and IEC 60825-1 standards, ensuring compliance with global safety and environmental regulations.
Q
Can I use the JH645A-C in mixed-vendor environments?
A
Yes. As a standards-based SFP+ SR module, the JH645A-C interoperates seamlessly with any SFF-compliant equipment.
Q
How do I troubleshoot a link error with the JH645A-C?
A
Verify fiber polarity, clean LC connectors, confirm module seating, and check DDM readings in your switch management interface.
Q
What is the expected service life of the JH645A-C?
A
Under normal operating conditions, the transceiver is rated for over 30,000 hours of service life.
Q
Is the JH645A-C optimized for data center and campus networks?
A
Yes. The module’s low latency, high bandwidth, and DDM features make it ideal for both data center uplinks and campus aggregation links.
