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Name:
J9142B-C
- Description:
- 1G SFP LC BX-D Transceiver HP X122 Compatible
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J9142B-C Overview
J9142B-C is a high-performance SFP+ optical transceiver designed for reliable 10G Ethernet connectivity across data centers, enterprise networks, and telecom infrastructures. It features a compact form factor with LC connector support, making it ideal for high-density applications requiring short-range optical transmission.
J9142B-C supports a data rate of 10G over single-mode fiber with a typical wavelength of 1310 nm and a maximum transmission distance of up to 10 km. With precise physical dimensions of 0.87 inches in height, 1.66 inches in width, and 0.30 inches in depth, this transceiver is engineered for optimal power efficiency and broad compatibility with industry-leading network platforms.
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J9142B-C Specifications
| Product Type | Transceiver |
| Form Factor | SFP+ |
| Data Rate | 10G |
| Connector Type | LC |
| Wavelength | 1310 nm |
| Transmission Distance | Short-Range |
| Fiber Type | Single-mode |
| Max Distance | 10 km |
| Supported Protocols | Ethernet |
| Network Interface | Fiber |
| Power Consumption | 1.5 W |
| Operating Temperature | 0 to 70°C |
| Storage Temperature | -40 to 85°C |
| Input Voltage | 3.3V |
| Compatibility | Cisco / Juniper / Huawei / Arista |
| Product Name | J9142B-C SFP+ Optical Transceiver |
| Height | 0.87 inches |
| Width | 1.66 inches |
| Depth | 0.30 inches |
| Weight | 0.12 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 | 100G | 10G | 10G | 10G |
| Depth | 0.4 inches | 1.2 inches | 0.5 inches | 1.1 inches | 0.30 inches |
| Fiber Type | Multi-mode | Multi-mode | Multi-mode | Multi-mode | Single-mode |
| Form Factor | SFP+ | QSFP | SFP+ | SFP+ | SFP+ |
| Height | 0.5 inches | 0.5 inches | 0.33 inches | 0.28 inches | 0.87 inches |
| Input Voltage | 3.3V | 3.3V | 3.3V | 3.3V | 3.3V |
| Max Distance | 300 meters | 150 meters | 300 meters | 300 meters | 10 km |
| Network Interface | Fiber | 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 | 3.5 W | 10W | 3.5 W | 3.5W | 1.5 W |
| Product Name | J4859A-C 10GBASE-SR SFP+ Transceiver | J8177B-C 100G QSFP Transceiver | J4858C-C 10G SFP+ Transceiver | J8177D-C 10G SFP+ Optical Transceiver | J9142B-C SFP+ Optical 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, Fibre Channel | Ethernet | Ethernet | Ethernet |
| Transmission Distance | Short-Range | Short-Range | Short-Range | Short-Range | Short-Range |
| Wavelength | 850 nm | 1310 nm | 850 nm | 850nm | 1310 nm |
| Weight | 0.08 lbs | 0.1 lbs | 0.06 lbs | 0.05 lbs | 0.12 lbs |
| Width | 0.9 inches | 0.8 inches | 2.17 inches | 0.87 inches | 1.66 inches |
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Questions & Answers
Q
What is the HP X122 compatible J9142B-C 1G SFP LC BX-D transceiver?
A
The J9142B-C is a 1 Gigabit SFP transceiver with LC duplex interface and bidirectional (BX-D) operation, fully compatible with HP X122 switches and routers for single-mode fiber links.
Q
Which fiber type does the J9142B-C 1G SFP LC BX-D transceiver support?
A
The J9142B-C supports single-mode fiber (SMF) applications using standard LC connectors for long-reach data transmission.
Q
What is the maximum transmission distance of the J9142B-C 1G SFP LC BX-D transceiver?
A
This transceiver delivers reliable links up to 20 kilometers over single-mode fiber at 1 Gbps data rate.
Q
What wavelengths are used by the J9142B-C BX-D transceiver?
A
It uses a 1310 nm transmit laser and a 1490 nm receiver, enabling bidirectional communication over a single fiber pair.
Q
Is the J9142B-C transceiver hot-swappable?
A
Yes, the J9142B-C can be inserted or removed without powering down the host device, ensuring uninterrupted network operation.
Q
Does the J9142B-C support Digital Diagnostic Monitoring (DDM)?
A
Yes, the module offers DDM (SFF-8472) for real-time monitoring of optical power, temperature, voltage and laser bias.
Q
Which HP devices are compatible with the J9142B-C transceiver?
A
It is compatible with HP X122 series switches and routers that support 1 Gbps SFP LC BX-D modules.
Q
How do I install the J9142B-C 1G SFP LC BX-D transceiver?
A
Power down the port, insert the module into the SFP slot until it clicks, connect the LC fiber cables, then power up and verify link status.
Q
What operating temperature range does the J9142B-C support?
A
The transceiver operates reliably between –5 °C and +70 °C ambient temperature.
Q
Can I mix J9142B-C with other SFP modules on the same switch?
A
Yes, you can mix it with other SFP types, but ensure matching wavelengths and distance ratings for proper bidirectional BX operation.
Q
What data rate does the J9142B-C transceiver support?
A
It supports a data rate of 1.25 Gbps (Gigabit Ethernet) over single-mode fiber.
Q
Does the J9142B-C require a specific fiber cable polarity?
A
Yes, BX-D modules require correct transmit/receive pairing; TX on one end must match RX on the opposite end using a crossover or paired fiber.
Q
What warranty does the J9142B-C 1G SFP LC BX-D transceiver come with?
A
It includes a standard 1-year limited warranty covering defects in materials and workmanship under normal use.
Q
Can I use the J9142B-C in outdoor enclosures or extended-temperature environments?
A
The module is rated for –5 °C to +70 °C; for temperatures below –5 °C or above +70 °C, select an industrial-grade transceiver.
Q
What applications are ideal for the J9142B-C transceiver?
A
It’s ideal for campus networks, metro Ethernet, FTTH, and data center uplinks requiring 20 km single-mode links.
Q
How do I verify the J9142B-C link status after installation?
A
Use your switch’s interface or DDM monitoring to confirm optical power, temperature, and link/trunk status for each port.
