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Flawless Arista compatibility. Stable 10G performance for short fiber runs. Reliable.
JH645A-C
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10G SFP+ LC SR XCVR HP Arista Compatible
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JH645A-C
- Description:
- 10G SFP+ LC SR XCVR HP Arista Compatible
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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 
| JH645A-C |  JL437A-C |  JD094B-U10-C |  JD094B-C |  JH893A-C | |
|---|---|---|---|---|---|
| Product Type | Transceiver | Transceiver | Transceiver | Transceiver | Transceiver |
| Form Factor | SFP+ | SFP+ | SFP+ | SFP+ | SFP+ |
| Data Rate | 10G | 10G | 10G | 10G | 10G |
| Connector Type | LC | LC | LC | LC | LC |
| Wavelength | 1310 nm | 850nm | 850 nm | 850 nm | 1310 nm |
| Transmission Distance | Long-Range | Short-Range | Short-Range | Short-Range | Long-Range |
| Fiber Type | Single-mode | Multi-mode | Multi-mode | Multi-mode | Single-mode |
| Max Distance | 10 km | 300 meters | 300 meters | 300 meters | 80 km |
| Supported Protocols | Ethernet, Fibre Channel | Ethernet | Ethernet | Ethernet | Ethernet |
| Network Interface | Fiber | Ethernet | Fiber | Fiber | Fiber |
| Power Consumption | N/A | 3.0W | 2.5W | 2.5W | 3.5W |
| Operating Temperature | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°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 / Juniper / Huawei / Arista | Juniper | Cisco, Juniper, Huawei, Arista | Cisco / Juniper / Huawei | Cisco / Juniper / Huawei / Arista |
| Product Name | JH645A-C 10G SFP+ LR Transceiver | Juniper Networks JL437A-C 10G SFP+ Transceiver | JD094B-U10-C 10G SFP+ SR Transceiver | JD094B-C 10G SFP+ LC Transceiver | JH893A-C 10G SFP+ Transceiver |
| Height | N/A | 0.24 inches | 0.34 inches | 0.1 inches | 0.25 inches |
| Width | N/A | 0.66 inches | 0.53 inches | 0.6 inches | 0.24 inches |
| Depth | N/A | 1.10 inches | 2.2 inches | 1.0 inches | 1.0 inches |
| Weight | N/A | 0.03 lbs | 0.04 lbs | 0.05 lbs | 0.1 lbs |
Reviews & Ratings
B
Bria Thorne
5
Plug-and-play simplicity. Recognized instantly with consistent throughput. Excellent value.
C
Cyrus Vane
5
Professional build quality. Deployed across core nodes with zero failures. Very satisfied.
E
Elena Sterling
5
Consistent 10Gbps speeds and perfect signal integrity. Robust and easy to install.
F
Franklin Rhodes
5
Reliable, cool-running transceivers. Handles heavy traffic without errors. Perfect for servers.
G
Gemma Whitby
5
Impressive performance and seamless integration. Significant savings without compromising optical quality.
Questions & Answers
What is the JH645A-C 10G SFP+ LC SR XCVR?
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.
Which switches and routers are compatible with the JH645A-C?
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.
What wavelength does the JH645A-C operate at?
This transceiver operates at a nominal wavelength of 850 nanometers, optimized for short-reach multimode fiber environments.
What is the maximum transmission distance for the JH645A-C?
Over OM3 fiber, the JH645A-C supports distances up to 300 meters; on OM4 fiber, it extends to 400 meters at 10 Gbps.
Does the JH645A-C support digital diagnostics monitoring (DDM)?
Yes. The JH645A-C includes Digital Diagnostics Monitoring (DDM) for real-time monitoring of optical power, temperature, voltage, and laser bias current.
Is the JH645A-C hot-swappable?
Yes. The SFP+ form factor allows hot-swapping without powering down your network switch or router.
What type of fiber cable is required for the JH645A-C?
This transceiver requires OM3 or OM4 multimode fiber with an LC/LC duplex connector to achieve the specified reach.
How do I install the JH645A-C in an HP or Arista switch?
Insert the JH645A-C module into an available SFP+ slot, push until it snaps in place, then connect your LC duplex fiber patch cord.
What is the operating temperature range of the JH645A-C?
The JH645A-C operates reliably between 0 °C to 70 °C ambient temperature, making it suitable for standard data-center environments.
What is the power consumption of the JH645A-C?
Typical power consumption is 0.8 Watts per port, ensuring efficient energy use in high-density deployments.
Does the JH645A-C include a warranty?
Yes. The transceiver comes with a one-year replacement warranty backed by our global support network.
What certifications does the JH645A-C carry?
It is certified for CE, FCC, RoHS, and IEC 60825-1 standards, ensuring compliance with global safety and environmental regulations.
Can I use the JH645A-C in mixed-vendor environments?
Yes. As a standards-based SFP+ SR module, the JH645A-C interoperates seamlessly with any SFF-compliant equipment.
How do I troubleshoot a link error with the JH645A-C?
Verify fiber polarity, clean LC connectors, confirm module seating, and check DDM readings in your switch management interface.
What is the expected service life of the JH645A-C?
Under normal operating conditions, the transceiver is rated for over 30,000 hours of service life.
Is the JH645A-C optimized for data center and campus networks?
Yes. The module’s low latency, high bandwidth, and DDM features make it ideal for both data center uplinks and campus aggregation links.