XCVR-S40U33 Ciena Compatible 10G SFP BiDi 40km SMF Transceiver

Swapping in one-for-one, the XCVR-S40U33 is a 10G single-fiber BiDi SFP reaching 40km over single-mode fiber, matching the Ciena part it replaces on both rate and reach. As the BX-D downstream unit it terminates one end of a BiDi pair through a simplex LC connector, comes up coded to the host, and reports DDM telemetry once the link is live.

• Form Factor: SFP
• Data Rate: 10G
• Fiber Type: SMF
• Reach: 40km
• Connector: Simplex LC
• OEM Equivalent: XCVR-S40U33

Compatibility: Documented OEM compatibility (Ciena published compatibility documentation): this module is accepted in 10G SFP+ ports on the 3930 Service Delivery Switch, 5160 Service Aggregation Switch, 5170 Service Aggregation Platform, 3926 Platform, and 3928 Platform. This module follows Ciena's published compatibility matrix; for your exact line card or OS release, email 10.4@tenfouroptics.com and we'll confirm fit.

Tested & Proven: Every TenFour Optics part is coded, tested, and verified before shipment — see Tested & Proven.

Validated for use in Ciena equipment, it pairs against a BX-U unit at the far end to carry both directions on a single 40km strand with no setup required. Manufactured to MSA specification and individually verified for coding and diagnostics before it ships. Backed by the GreenLights4Life® Limited Lifetime Replacement Warranty. In stock — ships same or next business day.