General
Manufacturer	HP
Module type	SFP
Data rate	1000 Mbit/s
Fibre type	Single-Mode
Wavelength transmitter	1310 nm
Wavelength receiver	1490 nm
Connector	LC
Transmission range	20 km
Transceiver type	BX-D
Connection type	1xL

The product is a network transceiver module from manufacturer HP, type J9143B, specifically designed for use in switches and other network devices. It is an SFP module (Small Form-factor Pluggable) intended for data transmission over fiber optic cables. The module supports a data transfer rate of 1000 Mbit/s and is designed for operation with single-mode fiber (SMF), using the BX-D/LC variant. This configuration is suitable for transmission distances up to 20 km, with the module transmitting (Tx) at 1310 nm and receiving (Rx) at 1490 nm. Connection is made via an LC connector, which is standard for compact and secure fiber optic connections in networks.

Applications

The module is primarily intended for use in network switches and other devices from HP (including Aruba products). It enables network extension over fiber optic connections, particularly in environments requiring high bandwidth and long-distance transmission. Typical applications include connecting switches in different rooms or buildings, for example in corporate networks, data centers, or when connecting remote sites. The use of single-mode fiber enables high signal quality and low attenuation, which is crucial for stable and reliable network connections over long distances.

Functions and Equipment in Detail

The module is designed as a Mini-GBIC (Gigabit Interface Converter), meaning it performs the function of a Gigabit Ethernet transceiver in a compact format. It supports data transmission according to the 1000Base-BX standard, where the designation BX-D indicates the direction of data transmission: the module transmits at 1310 nm and receives at 1490 nm. This allows the use of a single fiber optic cable for bidirectional communication, with separate wavelengths to avoid interference. The LC connector ensures a secure and precise connection to the fiber optic cable, with the single-fiber connection (1xL) enabling direct connection without additional adapters.

Technology Explained Simply

The technology of the module is based on the use of optical fibers (fiber optic cables) for data transmission. Digital information is converted into light pulses, which are transmitted through the fiber optic cable. The use of single-mode fiber means that only a single light mode (light beam) is transmitted through the cable, enabling lower attenuation and greater transmission range. The module uses two different wavelengths — 1310 nm for transmission and 1490 nm for reception — to enable bidirectional communication over a single cable. This technique is known as Wavelength Division Multiplexing (WDM) and is particularly efficient for fiber optic cable usage, as it reduces the number of cables required.

Compatibility and Accessories

The module is specifically developed for use in HP and Aruba network devices. It is compatible with devices that support SFP transceiver slots. As accessories, a suitable GBIC-Mini SFP 1000 WDM/LC module with specifications Tx1310nm/Rx1490nm for a range of 20 km is offered, also suitable for HP and Aruba systems. The use of compatible fiber optic cables with LC connectors is required to establish a correct connection.

Installation and Mounting

Installation is performed by simply inserting the module into the corresponding SFP slot of the network device. It is important that the slot is designed for SFP modules and that the devices support the required power supply and control. After insertion, the module is automatically detected and configured, provided the network software supports the necessary settings. Connection to the fiber optic cable is made via the integrated LC connector, which is directly connected to the cable. Additional mounting or mechanical fastening is not required.

Advantages in Operation

The module provides a reliable and high-performance fiber optic connection designed for high data rates and long transmission distances. The use of single-mode fiber and WDM technology enables efficient use of infrastructure, as only one cable is needed for bidirectional communication. Compatibility with HP and Aruba systems ensures seamless integration into existing networks. Low attenuation and high signal quality ensure a stable connection, even over distances up to 20 km. The compact form factor of the SFP module allows flexible use in devices with limited space.