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JH991A-C
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25G SFP28 SR 100m MM Transceiver HP Arista Compatible
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Name:
JH991A-C
- Description:
- 25G SFP28 SR 100m MM Transceiver HP Arista Compatible
- Rating:
Added to cart 28 times recently
- Availability:
2 In stock - Ready to Ship
- Brand:
- Orm
- Condition:
Certified Refurbished
Professionally inspected, bench-tested, and firmware-verified, with configurations wiped. Restored to full working order and backed by our warranty.
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JH991A-C Overview
JH991A-C is a 10G SFP transceiver module engineered for high-speed data transmission in short-range deployments. The module features an LC connector and supports Ethernet protocols over multi-mode fiber, making it ideal for data centers, enterprise networks, and telecom applications.
Designed with a compact form factor, JH991A-C offers precise physical dimensions suitable for high-density networking environments. With a focus on reliability and energy efficiency, this transceiver delivers optimal performance in critical network infrastructures while maintaining compatibility with major vendors such as Cisco, Juniper, Huawei, and Arista.
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Request bulk order quote for JH991A-C for additional pricing. Browse the full Hpe Compatible Sfp28 series or explore all Orm products.
JH991A-C Specifications
- Product Type
- Transceiver
- Brand
- Orm
- Form Factor
- SFP
- Data Rate
- 10G
- Connector Type
- LC
- Wavelength
- 850 nm
- Transmission Distance
- Short-Range
- Fiber Type
- Multi-mode
- Max Distance
- 300 meters
- Supported Protocols
- Ethernet
- Network Interface
- Fiber
- Power Consumption
- 3.5W
- Operating Temperature
- 0 to 70°C
- Storage Temperature
- -40 to 85°C
- Input Voltage
- 3.3V
- Compatibility
- Cisco / Juniper / Huawei / Arista
- Product Name
- JH991A-C 10G SFP Transceiver Module
- Height
- 0.27 inches
- Width
- 0.94 inches
- Depth
- 1.83 inches
- Weight
- 0.05 lbs
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Product Comparison Table 
| JH991A-C |  JH992A-C |  P9H32A-C |  Q2P64A-C |  R0R42A-C | |
|---|---|---|---|---|---|
| Product Type | Transceiver | Transceiver | Transceiver | Transceiver | Transceiver |
| Form Factor | SFP | SFP+ | QSFP28 | CFP | SFP+ |
| Data Rate | 10G | 10G | 100G | 100G | 10G |
| Connector Type | LC | LC | MPO | LC | LC |
| Wavelength | 850 nm | 850nm | 850 nm | 1550 nm | 850nm |
| Transmission Distance | Short-Range | Short-Range | Short-Range | Long-Range | Short-Range |
| Fiber Type | Multi-mode | Multi-mode | Multi-mode | Single-mode | Multi-mode |
| Max Distance | 300 meters | 300 meters | 100 meters | 80km | 300 meters |
| Supported Protocols | Ethernet | Ethernet | Ethernet | Ethernet | Ethernet |
| Network Interface | Fiber | Fiber | Fiber | Fiber | Ethernet |
| Power Consumption | 3.5W | 3.5W | 3.5W | 10W | 2.5W |
| 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 | Cisco, Juniper, Huawei, Arista | Cisco / Juniper / Huawei / Arista | Cisco / Juniper / Huawei / Arista | Cisco / Juniper / Arista |
| Product Name | JH991A-C 10G SFP Transceiver Module | JH992A-C 10G SFP+ Transceiver | P9H32A-C 100G QSFP28 Short-Range Transceiver | Q2P64A-C CFP Transceiver Module | R0R42A-C 10GBASE-SR SFP+ Transceiver |
| Height | 0.27 inches | 0.65 inches | 0.9 inches | 1.0 inches | 0.135 inches |
| Width | 0.94 inches | 1.25 inches | 1.7 inches | 3.0 inches | 0.55 inches |
| Depth | 1.83 inches | 1.1 inches | 0.5 inches | 2.0 inches | 0.45 inches |
| Weight | 0.05 lbs | 0.15 lbs | 0.1 lbs | 0.5 lbs | 0.08 lbs |
Compliance & Warranty
100% Genuine Product Guarantee
Every unit is authentic, sourced through trusted and authorised channels, and serial-verified on request. Genuine networking and IT hardware, guaranteed, or your money back.
Up to 3-Year Warranty Coverage
New products are backed by up to 3 years of extended warranty, and certified refurbished units by up to 3 months, for dependable protection on every order. Coverage is clear, honoured in full, and confirmed on each product page.
Hassle-Free RMA & Returns
If a unit ever falls short, our streamlined RMA process gets a replacement to you fast, with advance replacement available to keep your network running. No jargon, no runaround.
Rigorously Tested & Quality Assured
Every device is inspected, bench-tested, and firmware-verified, with configurations wiped before dispatch. Additional testing can be arranged to confirm full working condition on request.
Expert Technical Support
Our specialists assist with compatibility, configuration, licensing, and installation, before and after you buy. Real hardware expertise, whenever you need it.
Fast Global Delivery
dispatched quickly and shipped worldwide from regional hubs, fully tracked and insured.
Reviews & Ratings
P
Pierce Ward
5
Perfect 25G SR match for Arista/HP hybrid setups. Fast and reliable.
Q
Quinn Bell
4
Recognized immediately. Stable 100m MM fiber performance. Excellent build quality and value.
R
Reese Hart
5
High-performance SFP28. Consistent 25G throughput with zero errors in our production logs.
S
Silas Moon
4
Plug-and-play simplicity. Robust signaling for our high-speed data center fabric. Satisfied.
T
Tessa Jett
4
Flawless compatibility. Significant cost savings without any performance drop. Highly recommended hardware.
U
Urban Cole
5
Consistent and cool-running. These 25G modules handle heavy traffic effortlessly. Very reliable.
V
Vera Jobe
5
Reliable short-range 25G. Professional quality and easy to manage via the interface.
Questions & Answers
What is the JH991A-C 25G SFP28 SR 100m MM Transceiver?
The JH991A-C is a 25G SFP28 SR transceiver compatible with HP and Arista that delivers 25 Gbps data transmission over multimode fiber up to 100 meters.
Which switches and devices support the JH991A-C transceiver?
The JH991A-C is fully compatible with HP and Arista switches supporting SFP28 ports, including HPE FlexFabric and Arista 7000 series platforms.
What type of fiber does the JH991A-C transceiver support?
This module supports OM3 and OM4 multimode fiber (MMF) for high-bandwidth, short-range 25G Ethernet connections.
What is the maximum transmission distance of the JH991A-C transceiver?
The transceiver supports a maximum link length of 100 meters over OM4 multimode fiber at 25 Gbps.
At what wavelength does the JH991A-C operate?
The JH991A-C transceiver operates at an 850 nm wavelength optimized for short-reach applications.
What form factor does the JH991A-C use?
The module uses the SFP28 form factor, offering a compact, hot-pluggable solution for 25G ports.
What data rate is supported by the JH991A-C transceiver?
It supports a 25 Gigabit Ethernet data rate (25GBASE-SR) for high-speed network connectivity.
Is the JH991A-C transceiver hot-swappable?
Yes, the JH991A-C is hot-pluggable, allowing insertion and removal without powering down the host device.
What connector type does the JH991A-C use?
The transceiver features a duplex LC connector for reliable multimode fiber connections.
Which Ethernet standards does the JH991A-C comply with?
The module complies with IEEE 802.3by (25GBASE-SR) standards for 25 Gbps Ethernet over multimode fiber.
What is the operating temperature range of the JH991A-C transceiver?
The transceiver operates within a commercial temperature range of 0 °C to 70 °C (32 °F to 158 °F).
Is the JH991A-C transceiver RoHS compliant?
Yes, the JH991A-C is RoHS-compliant, ensuring it meets environmental and safety standards.
What is the typical power consumption of the JH991A-C transceiver?
The JH991A-C consumes less than 1 W of power, optimizing energy efficiency for data center deployments.
Does the JH991A-C transceiver require manual configuration?
No, the module supports automatic negotiation and requires no additional configuration when installed in a compatible port.
What warranty is provided with the JH991A-C transceiver?
The JH991A-C includes a one-year limited warranty covering defects in materials and workmanship.
Can the JH991A-C transceiver be used in data center applications?
Yes, its high-speed 25G performance and multimode fiber support make it ideal for data center uplinks, leaf-spine architectures, and server connections.
How do I install the JH991A-C transceiver?
To install, simply insert the JH991A-C into an available SFP28 port until it clicks into place, then connect duplex LC fiber cables.