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Pierce Ward
5
Perfect 25G SR match for Arista/HP hybrid setups. Fast and reliable.
JH991A-C
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25G SFP28 SR 100m MM Transceiver HP Arista Compatible
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JH991A-C
- Description:
- 25G SFP28 SR 100m MM Transceiver HP Arista Compatible
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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
- 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
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
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 |
Reviews & Ratings
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.