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BX-U SFP delivered stable single fiber operation.
J9143B
HP X122 1G SFP LC BX-U Transceiver
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J9143B
- Description:
- HP X122 1G SFP LC BX-U Transceiver
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J9143B Overview
J9143B is a 10GBASE-SR SFP+ transceiver designed for short-range optical data transmission. It supports a data rate of 10G over multi-mode fiber using an LC connector and operates at a wavelength of 850nm. The transceiver adheres to the SFP+ form factor with compact physical dimensions, making it ideal for high-density applications.
J9143B is engineered to meet the rigorous demands of data centers, enterprise networks, and telecom environments. It supports Ethernet protocols and provides a reliable, low-latency performance while maintaining efficient power consumption and operating within industry-standard temperature ranges.
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J9143B 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
- Network Interface
- Fiber
- Power Consumption
- 1.5W
- Operating Temperature
- 0 to 70°C
- Storage Temperature
- -40 to 85°C
- Input Voltage
- 3.3V
- Compatibility
- Cisco
- Product Name
- Cisco 10GBASE-SR SFP+ Transceiver (J9143B)
- Height
- 0.67 inches
- Width
- 1.00 inches
- Depth
- 1.60 inches
- Weight
- 0.05 lbs
J9143B Use Case
Data Center Core-to-Aggregation Fiber Extension
In high-density data center environments, IT teams deploy HP J9143B-HP X122 1G SFP LC BX-U Transceivers to bridge core and aggregation switches over single-mode fiber runs up to 10 km. The bi-directional LC BX-U design halves fiber requirements, reducing cabling costs and simplifying rack-to-rack connectivity. Outcome: robust link reliability, streamlined fiber management, and optimized capex.
Point-to-Point Branch Office Connectivity over Dark Fiber
A managed service provider leverages HP J9143B-HP X122 1G SFP LC BX-U Transceivers to deliver dedicated 1 GbE links between headquarters and remote branch offices on existing dark fiber infrastructure. The single-strand BiDi transceiver accelerates deployment and minimizes physical fiber installations. Outcome: faster branch onboarding, guaranteed bandwidth performance, and reduced opex.
Resilient Industrial Automation Network in Smart Factories
Manufacturing plants integrate HP J9143B-HP X122 1G SFP LC BX-U Transceivers to connect PLC controllers and SCADA systems across long-reach fiber corridors subject to electromagnetic interference. The single-mode SFP module ensures low-latency, high-integrity data transmission up to 10 km, critical for real-time process control. Outcome: enhanced network resilience, minimized downtime risk, and improved production efficiency.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| J9143B |  N9X02A |  JG915A |  453151-B21 |  QK725A | |
|---|---|---|---|---|---|
| Product Type | Transceiver | Transceiver | Transceiver | Transceiver | Transceiver |
| Form Factor | SFP+ | SFP+ | QSFP | SFP+ | SFP+ |
| Data Rate | 10G | 10G | 100G | 10G | 10G |
| Connector Type | LC | LC | MPO | LC | LC |
| Wavelength | 850nm | 850nm | 1310 nm | 1310 nm | 850 nm |
| Transmission Distance | Short-Range | Short-Range | Long-Range | Long-Range | Short-Range |
| Fiber Type | Multi-mode | Multi-mode | Single-mode | Single-mode | Multi-mode |
| Max Distance | 300 meters | 300 meters | 80 km | 80 km | 300 meters |
| Supported Protocols | Ethernet | Ethernet | Ethernet, Fibre Channel | Ethernet, Fibre Channel | Ethernet, Fibre Channel |
| Network Interface | Fiber | Fiber | Fiber | Fiber | Ethernet |
| Power Consumption | 1.5W | 3.0W | 6.5 W | 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 | Cisco / Juniper / Huawei / Arista | Cisco, Juniper, Huawei, Arista | Cisco, Juniper, Huawei, Arista | Cisco, Juniper, Huawei, Arista |
| Product Name | Cisco 10GBASE-SR SFP+ Transceiver (J9143B) | N9X02A 10G SFP+ Transceiver | JG915A QSFP 100G Transceiver | 453151-B21 10G Long-Range SFP+ Transceiver | QK725A High-Performance 10G SFP+ Transceiver |
| Height | 0.67 inches | 0.97 inches | 1.4 inches | 0.22 inches | 0.5 inches |
| Width | 1.00 inches | 1.38 inches | 0.6 inches | 0.87 inches | 0.65 inches |
| Depth | 1.60 inches | 0.42 inches | 0.3 inches | 2.11 inches | 1.0 inches |
| Weight | 0.05 lbs | 0.3 lbs | 0.15 lbs | 0.12 lbs | 0.05 lbs |
Reviews & Ratings
S
Saad Munir
4
Good optical quality and easy deployment.
P
Peter Lawson
5
No errors since installation.
M
Mikko Virtanen
4
Reliable for access networks.
S
Sean Walters
5
Met requirements.
Questions & Answers
What is the HP X122 1G SFP LC BX-U Transceiver (SKU: J9143B)?
The HP X122 1G SFP LC BX-U Transceiver (J9143B) is a single-fiber, bidirectional, 1 Gbps SFP optical module designed for HP networking equipment, optimizing uplink and connectivity in single-mode fiber networks.
Which devices are compatible with the HP X122 1G SFP LC BX-U Transceiver?
This transceiver is fully compatible with HP Aruba switches and routers that feature SFP uplink ports, including A-series, E-series and 2530, 2540, 2920, 3810, 5400R, 6400 series.
What is the maximum transmission distance for the J9143B module?
The HP X122 1G SFP LC BX-U Transceiver supports single-mode fiber transmission up to 10 km at 1 Gbps, ensuring reliable long-haul connectivity.
What wavelength does the BX-U transceiver use?
The HP J9143B BX-U transceiver operates at a wavelength of 1310 nm for upstream transmission over single-mode fiber.
Is the HP X122 1G SFP LC BX-U Transceiver hot-swappable?
Yes, the J9143B module is hot-swappable, allowing installation or removal without powering down the network device, minimizing downtime.
What type of fiber connector does the J9143B use?
The HP X122 1G SFP LC BX-U Transceiver uses a standard LC duplex connector interface for single-mode fiber connections.
Can I use the HP X122 1G SFP module with non-HP switches?
While the J9143B is engineered and tested for HP Aruba hardware, it may work in third-party devices if vendor lock-in checks are disabled, though compatibility is not guaranteed.
What data rate does the HP X122 1G SFP LC BX-U support?
The J9143B transceiver supports a fixed data rate of 1 Gbps, ideal for Gigabit Ethernet uplinks and inter-switch links.
How do I install the HP X122 SFP LC BX-U Transceiver?
Power off the switch port (optional), insert the J9143B module firmly into the SFP slot until it clicks, then connect the LC fiber cable. Power-up is automatic on compatible devices.
How can I troubleshoot link issues with the HP J9143B module?
Verify fiber polarity and connector cleanliness, confirm port configuration and speed settings, check the transceiver’s diagnostic status via the switch CLI or web GUI, and replace the module if errors persist.
What differentiates BX-U from BX-D transceivers?
BX-U (upstream) and BX-D (downstream) transceivers are paired for bidirectional single-fiber links; BX-U transmits at 1310 nm, while BX-D transmits at 1490 nm to avoid wavelength overlap.
Does the HP X122 SFP LC BX-U support Digital Diagnostics Monitoring (DDM)?
Yes, the J9143B transceiver supports DDM, providing real-time monitoring of transmitter power, receiver power, temperature, voltage and laser bias current through the switch management interface.
What is the operating temperature range of the J9143B module?
The HP X122 1G SFP LC BX-U Transceiver operates reliably in ambient temperatures from 0 °C to 70 °C (32 °F to 158 °F).
What warranty does the HP X122 1G SFP LC BX-U Transceiver include?
The J9143B transceiver is covered by Hewlett-Packard Enterprise’s standard one-year limited hardware warranty, with optional extension through HP Care Pack services.
Where can I purchase the HP X122 1G SFP LC BX-U Transceiver (J9143B)?
You can buy the HP X122 1G SFP LC BX-U Transceiver (SKU: J9143B) from authorized HP resellers, the HPE online store or certified networking solution providers.
Is the J9143B an original HP part or a third-party replacement?
The HP J9143B is an original Hewlett-Packard Enterprise (HPE) manufactured transceiver, ensuring full compatibility, quality assurance and support.