AudioCodes Mediant 800B SFP Gigabit Ethernet Module – BX10-D Downstream Single-Fiber BiDi Transceiver (M800B/SFP-GE-BX10-D)

The AudioCodes M800B/SFP-GE-BX10-D is a Gigabit Ethernet BiDi SFP transceiver for the Mediant 800B SBC gateway. It delivers 1Gbps full-duplex connectivity over a single fiber strand using WDM, transmitting at 1490nm and receiving at 1310nm — the downstream direction. Paired with the M800B/SFP-GE-BX10-U at the far end, it creates a 1Gbps single-fiber link with up to 10km reach for high-bandwidth WAN connections to the Mediant 800B.

The Telecom Spot Take

When a 100Mbps Fast Ethernet BiDi isn't enough — for high-session-count Mediant 800B deployments or environments where 1Gbps SBC uplink bandwidth matters — the GE-BX10-D/U pair delivers Gigabit speed over the same single-fiber infrastructure. At 1490nm TX and 1310nm RX, the BX10-D is the downstream module; install the BX10-U at the far end to complete the bidirectional link. 10km reach covers most enterprise campus and metropolitan fiber runs. This is the right transceiver for Mediant 800B deployments that need Gigabit fiber connectivity over existing single-strand infrastructure.

Key Features

• 1Gbps Gigabit Ethernet BiDi — high-bandwidth single-fiber WDM link, downstream direction
• Downstream direction — 1490nm TX / 1310nm RX; pair with GE-BX10-U at the far end
• 10km single-fiber reach — extends Mediant 800B fiber WAN connectivity over long single-strand runs
• Mediant 800B SFP slot compatible — direct installation in Mediant 800B SFP interface bay
• Gigabit speed on single fiber — delivers 10x the bandwidth of FE BiDi without requiring dual fiber

Technical Specifications