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BX-D SFP provided reliable single fiber connectivity.
J9142B
HP X122 1G SFP LC BX-D Transceiver
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J9142B
- Description:
- HP X122 1G SFP LC BX-D Transceiver
- Rating:
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J9142B Overview
J9142B is a high-performance SFP+ transceiver module that supports 10G data rates. It features an LC connector for fiber-optic interfaces and is optimized for short-range data transmission, making it ideal for Ethernet-based applications in data centers, enterprise networks, and telecom environments. Its compact SFP+ form factor conforms to industry-standard physical dimensions, ensuring hassle‐free integration with existing networking equipment.
Designed to meet stringent quality and performance standards, the J9142B module delivers reliable connectivity and low latency for mission-critical applications. Its robust design and verified compatibility with leading network vendors such as Cisco, Juniper, Huawei, and Arista make it a strategic choice for upgrading network infrastructures and ensuring high-speed data flow.
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J9142B 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
- 2.8W
- Operating Temperature
- 0 to 70°C
- Storage Temperature
- -40 to 85°C
- Input Voltage
- 3.3V
- Compatibility
- Cisco / Juniper / Huawei / Arista
- Product Name
- J9142B SFP+ Transceiver
- Height
- 0.26 inches
- Width
- 0.85 inches
- Depth
- 1.00 inches
- Weight
- 0.06 lbs
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| J9142B |  J9150A |  J9153A |  C8R24B |  JG915A | |
|---|---|---|---|---|---|
| Product Type | Transceiver | Transceiver | Transceiver | Transceiver | Transceiver |
| Form Factor | SFP+ | SFP+ | SFP+ | SFP | QSFP |
| Data Rate | 10G | 10G | 10G | 10G | 100G |
| Connector Type | LC | LC | LC | LC | MPO |
| Wavelength | 850 nm | 1310 nm | 850nm | 850 nm | 1310 nm |
| Transmission Distance | Short-Range | Short-Range | Short-Range | Short-Range | Long-Range |
| Fiber Type | Multi-mode | Single-mode | Multi-mode | Multi-mode | Single-mode |
| Max Distance | 300 meters | 10 km | 300 meters | 300 meters | 80 km |
| Supported Protocols | Ethernet | Ethernet | Ethernet | Ethernet, Fibre Channel | Ethernet, Fibre Channel |
| Network Interface | Fiber | Fiber | Fiber | Fiber | Fiber |
| Power Consumption | 2.8W | 3.5 W | 1.5W | N/A | 6.5 W |
| 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 | Cisco, Juniper, Huawei, Arista | Cisco, Juniper, Huawei, Arista |
| Product Name | J9142B SFP+ Transceiver | J9150A 10G SFP+ Transceiver | Cisco 10GBASE-SR SFP+ Transceiver (J9153A) | C8R24B SFP Transceiver Module | JG915A QSFP 100G Transceiver |
| Height | 0.26 inches | 0.65 inches | 0.66 inches | N/A | 1.4 inches |
| Width | 0.85 inches | 0.62 inches | 0.87 inches | N/A | 0.6 inches |
| Depth | 1.00 inches | 0.95 inches | 1.76 inches | N/A | 0.3 inches |
| Weight | 0.06 lbs | 0.16 lbs | 0.09 lbs | N/A | 0.15 lbs |
Reviews & Ratings
F
Fahad Mahmood
5
Good signal stability across the link.
J
Jonathon Price
5
Recognized immediately by hardware.
V
Ville Niemi
5
Consistent performance in production.
M
Mark Ellis
4
Worked as specified.
Questions & Answers
What is the HP X122 1G SFP LC BX-D Transceiver (SKU J9142B)?
The HP X122 1G SFP LC BX-D Transceiver (SKU J9142B) is a bidirectional, single-mode fiber SFP module that delivers 1 Gbps over a single strand using LC connectors for point-to-point links up to 10 km.
What are the key features of the HP X122 1G SFP LC BX-D Transceiver?
Key features include 1 Gbps bidirectional transmission, hot-swappable design, digital optical monitoring (DOM), low power consumption (<1 W), MSA compliance and support for single-mode fiber links up to 10 km.
Which network standards and devices are compatible with SKU J9142B?
The J9142B transceiver supports 1000BASE-BX-D and is compatible with all HP switches and routers featuring SFP ports, as well as MSA-compliant third-party network equipment.
What is the maximum transmission distance of the HP X122 1G SFP LC BX-D?
This transceiver reliably supports single-mode fiber runs up to 10 kilometers (6.2 miles) at 1 Gbps when properly installed and terminated.
What transmit and receive wavelengths does the BX-D module use?
The BX-D variant transmits at 1490 nm and receives at 1310 nm, enabling bidirectional communication over a single fiber strand.
Is the HP X122 1G SFP LC BX-D hot-swappable?
Yes. The J9142B transceiver is fully hot-swappable in SFP slots, allowing live insertion and removal without powering down the host device.
What connector type does the J9142B transceiver use?
The HP X122 1G SFP LC BX-D uses a standard LC duplex connector interface for single-mode fiber.
What operating temperature range does the HP X122 1G SFP LC BX-D support?
This module operates reliably from 0 °C to 70 °C (32 °F to 158 °F) in standard environments.
Can I use the HP J9142B transceiver in third-party network switches?
Yes. Since it is MSA-compliant, the J9142B generally interoperates with third-party SFP ports, though compatibility should be confirmed with the device vendor.
How do I install the HP X122 1G SFP LC BX-D Transceiver?
Insert the module straight into an empty SFP slot until it clicks, then connect your LC fiber cables. Verify link status via the host device’s port LEDs or CLI.
What is the typical power consumption of this transceiver?
The HP X122 1G SFP LC BX-D consumes less than 1 W of power during normal operation.
What industry certifications does the HP X122 SFP LC BX-D hold?
The J9142B is UL, CE and FCC certified, RoHS-compliant and conforms to the SFP MSA specification.
How can I verify that the transceiver is functioning correctly?
Check the host port LED for a steady link light and use CLI commands (e.g., show interfaces transceiver diagnostics) to confirm signal levels and DOM data.
What is the difference between BX-D and BX-U transceiver modules?
BX-D modules (downstream) transmit at 1490 nm and receive at 1310 nm; BX-U modules (upstream) reverse those wavelengths to complete a bidirectional link.
Does the HP X122 1G SFP LC BX-D support digital optical monitoring (DOM)?
Yes. It includes digital optical monitoring to report real-time parameters such as TX/RX power, temperature and supply voltage via the host interface.
What warranty does HP provide for SKU J9142B?
HP offers a limited lifetime warranty on the X122 1G SFP LC BX-D Transceiver when purchased through authorized channels.
Where can I purchase the genuine HP X122 1G SFP LC BX-D Transceiver?
You can buy the authentic HP J9142B from HP’s official online store, authorized HP resellers and certified networking distributors.