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JH634A-C
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- 40G QSFP+ Universal Transceiver HP Arista Compatible
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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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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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Changed your mind? Get a refund (restocking fees may apply) or swap with another product.
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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.
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JH634A-C Overview
JH634A-C is a QSFP transceiver module engineered for 100G data transmission over multi-mode fiber with LC connectivity. Designed for short-range applications in data centers and enterprise networks, this module supports Ethernet protocols within a compact form factor that meets stringent telecom and network infrastructure requirements.
JH634A-C delivers reliable performance with optimized transmission distances up to 100 meters, making it ideal for high-density environments where efficiency and speed are critical. Its robust design and industry-standard specifications ensure seamless integration into networks deployed by leading vendors such as Cisco, Juniper, Huawei, and Arista.
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JH634A-C Specifications
| Product Type | Transceiver |
| Form Factor | QSFP |
| Data Rate | 100G |
| Connector Type | LC |
| Wavelength | 850nm |
| Transmission Distance | Short-Range |
| Fiber Type | Multi-mode |
| Max Distance | 100 meters |
| Supported Protocols | Ethernet |
| Network Interface | Fiber |
| Power Consumption | 9.5W |
| Operating Temperature | 0 to 70°C |
| Storage Temperature | -40 to 85°C |
| Input Voltage | 3.3V |
| Compatibility | Cisco / Juniper / Huawei / Arista |
| Product Name | JH634A-C 100G QSFP Transceiver Module |
| Height | 0.33 inches |
| Width | 3.25 inches |
| Depth | 0.72 inches |
| Weight | 0.1 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 | Cisco, Juniper, Huawei, Arista |
| Connector Type | LC | LC | LC | LC | LC |
| Data Rate | 10G | 10G | 10G | 100G | 10G |
| Depth | 1.5 inches | 2.2 inches | 1.2 inches | 0.72 inches | 2.8 inches |
| Fiber Type | Single-mode | Single-mode | Single-mode | Multi-mode | Single-mode |
| Form Factor | SFP+ | SFP | SFP+ | QSFP | SFP+ |
| Height | 0.63 inches | 0.28 inches | 0.55 inches | 0.33 inches | 0.65 inches |
| Input Voltage | 3.3V | 3.3V | 3.3V | 3.3V | 3.3V |
| Max Distance | 10 km | 10 km | 10 km | 100 meters | 80 km |
| Network Interface | Ethernet | Fiber | Fiber | 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 | 3.5W | 3.5W | 3.5W | 9.5W | 3.5W |
| Product Name | JG325A-C 10G SFP+ Transceiver | JG661A-LR4L-C 10G SFP Optical Transceiver | JH892A-C 10G SFP+ Transceiver | JH634A-C 100G QSFP Transceiver Module | JH636A-C 10G SFP+ Long Range 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 | Ethernet | Ethernet | Ethernet | Ethernet, Fibre Channel |
| Transmission Distance | Short-Range | Long-Range | Long-Range | Short-Range | Long-Range |
| Wavelength | 1310 nm | 1310 nm | 1310 nm | 850nm | 1310nm |
| Weight | 0.2 lbs | 0.1 lbs | 0.08 lbs | 0.1 lbs | 0.06 lbs |
| Width | 1.0 inches | 0.55 inches | 0.65 inches | 3.25 inches | 0.55 inches |
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Questions & Answers
Q
What is the JH634A-C 40G QSFP+ Universal Transceiver?
A
The JH634A-C is a 40 Gbps QSFP+ universal transceiver fully compatible with HP and Arista switches, supporting multimode fiber and MSA-compliant hot-pluggable operation.
Q
Which HP and Arista switches support the JH634A-C transceiver?
A
The JH634A-C works in HP Aruba 5900/5930 series and Arista 7050/7250/7280/7500 series switches with QSFP+ ports.
Q
What fiber type and connector does the JH634A-C support?
A
It supports 50/125 µm multimode fiber with duplex LC connectors for OM3 and OM4 cabling.
Q
What is the maximum link distance for the JH634A-C transceiver?
A
It delivers up to 100 m on OM3 and 150 m on OM4 multimode fiber at 40 Gbps.
Q
Does the JH634A-C support 40G data rate and FEC?
A
Yes. It supports full 40 Gbps throughput and optional forward error correction (FEC) for enhanced signal integrity.
Q
Is the JH634A-C QSFP+ transceiver MSA-compliant?
A
Yes. It adheres to the QSFP+ multi-source agreement (MSA) for plug-and-play interoperability.
Q
What is the operating temperature range for the JH634A-C?
A
The transceiver operates reliably from 0 °C to 70 °C (32 °F to 158 °F).
Q
How do I install the JH634A-C transceiver in my switch?
A
Insert the JH634A-C into a QSFP+ port until the latch clicks, then connect LC fiber cords. Verify link activity LED turns green.
Q
How can I verify the JH634A-C is recognized by my switch?
A
Run the switch CLI command (e.g., show interfaces transceiver detail) to display vendor, part number and link status.
Q
What is the power consumption of the JH634A-C transceiver?
A
Typical power draw is under 2.5 W, helping minimize heat and energy costs in dense installations.
Q
Does the JH634A-C come with a warranty?
A
Yes. It includes a one-year limited warranty covering defects in materials and workmanship.
Q
Can I hot-swap the JH634A-C without disrupting network traffic?
A
Yes. The transceiver is hot-swappable. Deploy or replace it on live ports without powering down the switch.
Q
How do I troubleshoot link issues with the JH634A-C?
A
Check fiber cleanliness, verify LC connector seating, confirm switch port settings, then swap with a known-good module.
Q
Is the JH634A-C cost-effective compared to OEM transceivers?
A
Yes. It offers up to 50 % savings over branded OEM modules while delivering full compatibility and reliability.
Q
What are the typical use cases for the JH634A-C 40G transceiver?
A
Ideal for data center uplinks, server aggregation, high-performance computing clusters and financial trading floors.
Q
What is the return policy for the JH634A-C transceiver?
A
We offer a 30-day, no-restocking-fee return policy on unused, undamaged units.
