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JH637A-C
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- 40G QSFP+ LC PLRL4 Transceiver HP Arista Compatible
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3 Year Extended Warranty
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All enterprise hardware is backed by a 3-year warranty — triple the industry standard — covering defects under normal use.
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If a hardware issue is confirmed, we’ll repair or replace the unit. Replacement parts carry either original or 3-month coverage.
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Once an RMA is approved, return the defective unit within 10 days. We handle the rest — no service gaps.
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JH637A-C Overview
JH637A-C is a high-performance SFP+ transceiver designed for 10G applications. It features an LC connector, supports a 10G data rate, and delivers short-range transmission optimized for Ethernet and Fibre Channel protocols, all within a compact form factor that meets industry-standard physical dimensions.
Engineered for critical networking environments, this transceiver is ideally suited for data centers, enterprise networks, and telecom applications. Its robust design and broad compatibility with leading platforms such as Cisco, Juniper, Huawei, and Arista make it a reliable solution for modern high-speed connectivity needs.
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JH637A-C Specifications
| Product Type | Transceiver |
| Form Factor | SFP+ |
| Data Rate | 10G |
| Connector Type | LC |
| Wavelength | 850nm |
| Transmission Distance | Short-Range |
| Fiber Type | Multi-mode |
| Max Distance | 300 meters |
| Supported Protocols | Ethernet, Fibre Channel |
| Network Interface | Fiber |
| Power Consumption | 2.5W |
| Operating Temperature | 0 to 70°C |
| Storage Temperature | -40 to 85°C |
| Input Voltage | 3.3V |
| Compatibility | Cisco, Juniper, Huawei, Arista |
| Product Name | JH637A-C 10G SFP+ Transceiver |
| Height | 0.57 inches |
| Width | 1.25 inches |
| Depth | 0.75 inches |
| Weight | 0.10 lbs |
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 | N/A |
| Connector Type | LC | LC | LC | LC | LC |
| Data Rate | 1G | 10G | 10G | 1G | 10G |
| Depth | 0.60 inches | 0.75 inches | 1.20 inches | N/A | N/A |
| Fiber Type | Single-mode | Multi-mode | Multi-mode | Multi-mode | Single-mode |
| Form Factor | SFP | SFP+ | SFP+ | SFP | XFP |
| Height | 0.12 inches | 0.57 inches | 0.55 inches | N/A | N/A |
| Input Voltage | 3.3V | 3.3V | 3.3V | 3.3V | N/A |
| Max Distance | 80 km | 300 meters | 300 meters | 550m | 40 km |
| Network Interface | Ethernet | Fiber | Fiber | Ethernet | Ethernet |
| Operating Temperature | 0 to 70°C | 0 to 70°C | 0 to 70°C | -40 to 85°C | -40 to 85°C |
| Power Consumption | 3.5 W | 2.5W | 3.5W | 1.5W | N/A |
| Product Name | ONS-SI-155-I1-C Optical Transceiver Module | JH637A-C 10G SFP+ Transceiver | 407-BBRK-C | SRX-SFP-1GE-SX-ET-C | SRX-XFP-10GE-ER-ET-C |
| 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 | Ethernet, Fibre Channel | Ethernet | Ethernet | Ethernet |
| Transmission Distance | Long-Range | Short-Range | Short-Range | Short-Range | Extended-Range |
| Wavelength | 1310 nm | 850nm | 850nm | 850nm | 1310 nm |
| Weight | 0.09 lbs | 0.10 lbs | 0.15 lbs | N/A | N/A |
| Width | 0.35 inches | 1.25 inches | 0.45 inches | N/A | N/A |
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Questions & Answers
Q
What is the JH637A-C 40G QSFP+ LC PLRL4 Transceiver?
A
The JH637A-C is a 40Gbps QSFP+ parallel LC PLRL4 transceiver module, fully compatible with HP and Arista switches for high-density 40G Ethernet links.
Q
Which network devices support the JH637A-C 40G QSFP+ transceiver?
A
This module is certified for HP and Arista 40G QSFP+ ports and interoperates seamlessly with any QSFP+-equipped switch or router that accepts PLRL4 optics.
Q
What type of fiber cable does the JH637A-C transceiver use?
A
The transceiver uses OM3/OM4 multimode fiber terminated with MPO/MTP on the transceiver side and LC duplex on the network side.
Q
How far can the 40G QSFP+ LC PLRL4 transceiver transmit data?
A
It supports reach up to 100 meters over OM4 multimode fiber and 70 meters over OM3 fiber at 40Gbps.
Q
What wavelength does the JH637A-C operate at?
A
It operates at a nominal wavelength of 850 nm, optimized for multimode fiber links.
Q
Is the JH637A-C QSFP+ transceiver hot-swappable?
A
Yes, the QSFP+ module is fully hot-swappable, allowing installation and removal without powering down the host device.
Q
What data rate does the transceiver support?
A
It supports an aggregate data rate of 40 Gbps (4×10.3125 Gbps lanes) for 40 Gigabit Ethernet applications.
Q
What are the operating temperature ranges?
A
The module operates between 0 °C and 70 °C (32 °F to 158 °F) for standard temperature environments.
Q
Does the JH637A-C have any safety or compliance certifications?
A
Yes, it is certified to CE, FCC, UL, and RoHS-6 standards, and meets Class 1 laser safety requirements (IEC 60825-1).
Q
What is the mean time between failures (MTBF)?
A
The transceiver offers an MTBF of over 1 million hours, ensuring exceptional reliability in enterprise and data center deployments.
Q
Is the JH637A-C RoHS compliant?
A
Yes, the module is fully RoHS-6 compliant, free of lead, mercury, cadmium, and other restricted substances.
Q
How is the JH637A-C packaged for shipping?
A
Each transceiver ships in an anti-static tray inside an ESD-protected package, with dust caps included on both interfaces.
Q
What warranty is offered on the JH637A-C transceiver?
A
The module is backed by a lifetime warranty with advance replacement and free technical support.
Q
Can I mix OEM and JH637A-C compatible transceivers in the same switch?
A
Yes, you can intermix HP/Arista OEM and third-party compatible transceivers without any loss of functionality or performance.
Q
How do I install the 40G QSFP+ LC PLRL4 transceiver?
A
Align the QSFP+ module with the port guide rails, slide it in until it latches, and then connect the MPO/MTP fiber cable to the module’s receptacle.
Q
What are common use cases for the JH637A-C transceiver?
A
Ideal for 40G aggregation, high-performance computing clusters, data center spine-leaf architectures, and any high-density 40GbE uplink application.
