The US Transceivers compatible JL251A is a 40GBASE-SR-BiDi QSFP+ transceiver module designed for high-density 40 Gigabit Ethernet deployments. This bidirectional module operates over multimode fiber using a single LC Duplex connector, transmitting and receiving on separate wavelengths of 832 nm and 900 nm to achieve full-duplex 40G communication without requiring parallel fiber infrastructure.
Engineered for compatibility with HP networking equipment, this module supports a maximum cable distance of 100 meters over OM3 multimode fiber and up to 150 meters over OM4 multimode fiber. The QSFP+ form factor makes it ideal for use in high-port-density switches and routers where space efficiency is critical.
The US Transceivers compatible JL251A is TAA compliant and fully supports Digital Optical Monitoring (DOM), allowing real-time visibility into module diagnostics such as temperature, voltage, and optical power levels for simplified network management.
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