Ciena XCVR-S40U33 Compatible 10.3125G SFP+ 10GBASE-BX40 Transceiver Module

The XCVR-S40U33 compatible module serves equipment requiring a 10.3125G SFP+ interface with 1330nm-TX/1270nm-RX optics and a 40km rating. Connection is through Simplex LC. Product data, application guidance and factory verification are presented together to support field technicians install, maintain and identify the exact compatible module.
OEM Part Number: XCVR-S40U33HT Part Number: SFP-10G32-BX40
Product Highlights
- Compatible alternative to Ciena XCVR-S40U33
- 10.3125G connectivity at 10.3125Gbps
- Optical wavelength: 1330nm-TX/1270nm-RX
- Specified reach: 40km
- Simplex LC / SMF interface
- Operating temperature: 0 to 70°C (32 to 158°F)
- Factory compatibility verification and optical performance testing before shipment
Specifications
| Ciena Compatible | XCVR-S40U33 |
|---|---|
| Manufacturer | HT |
| HT Part Number | SFP-10G32-BX40 |
| Form Factor | SFP+ |
| Max. Data Rate | 10.3125Gbps |
| Wavelength | 1330nm-TX/1270nm-RX |
| Max. Transmission Distance | 40km |
| Connector | Simplex LC |
| Transmitter Type | DFB BiDi |
| Media | SMF |
| DOM Support | Yes |
| TX Power | 1~5dBm |
| Receiver Sensitivity | <-15dBm |
| Operating Temperature | 0 to 70°C (32 to 158°F) |
| Protocols | IEEE 802.3ae, SFF-8472, SFF-8431, SFF-8432, SFP+ MSA Compliant, CPRI, eCPRI |
Field Installation and Maintenance
Inspect the connector and patch lead before installation, then support the fiber without pulling on the module housing. Release the latch properly during maintenance and keep dust protection on unused interfaces. If a module is removed for later use, retain its part-number label and record its original port. For this model, the principal parameters are data rate 10.3125Gbps, wavelength 1330nm-TX/1270nm-RX, rated reach 40km.
Applications and Optical Link Design
This BiDi interface is useful where only one fiber strand is available between two sites or racks. It must be paired with the complementary wavelength direction: one end transmits on the wavelength that the other end receives. Verify the paired part number, connector polish and fiber plant before installation, and measure link loss against the specified optical budget.
Before deployment, check the host port type, supported data rate and firmware requirements. The 10.3125G interface configuration must match the remote equipment; sharing a SFP+ housing alone does not make two transceiver types interoperable.
This single-fiber interface must be paired with the complementary wavelength direction. One end transmits on the wavelength the other receives. Verify connector polish and measure loss over the 40km design range before service.
Optical Acceptance, Diagnostics and Handling
For this model, the specified transmit-power range is 1~5dBm; receiver sensitivity is <-15dBm. Digital diagnostics make later maintenance easier when baseline values are captured at installation. Save the initial readings with the port and OEM reference, then investigate meaningful changes rather than reacting to a single transient value. Diagnostic support depends on the host as well as the module, so unavailable fields should be confirmed with the platform documentation. Before every insertion, keep dust caps in place until the patch lead is ready, avoid touching the optical end face and use an appropriate inspection and cleaning procedure. Do not look into an active optical interface.
Quality Assurance and Packaging
Each XCVR-S40U33 compatible module is inspected, powered up and functionally checked before protective packing. Dust caps and individual trays shield the interface during transport. Customer references, rack groups and project packing lists can be added for volume orders.
Ciena Compatibility and Factory Testing
Factory verification starts with the expected XCVR-S40U33 identity and finishes with an operating host link. EEPROM data, diagnostic visibility and the stated optical parameters are assessed together. Equipment model, hardware revision and software release can be reviewed before dispatch where platform behavior is uncertain.
Frequently Asked Questions
Is this an original Ciena transceiver?
No. It is an HT-manufactured compatible alternative for equipment that specifies XCVR-S40U33, not an original Ciena-branded module.
Which fiber and connector are required?
Use Simplex LC with SMF. The specified maximum reach is 40km, subject to fiber quality and total link loss.
Can it be mixed with another wavelength or reach version?
Only when the two ends share the same optical standard, wavelength plan and supported data rate. Check the exact part numbers and link budget rather than relying only on the module form factor.
Ordering Information
Use XCVR-S40U33 as the compatibility cross-reference and SFP-10G32-BX40 as the HT ordering identity. Keep other reaches or wavelength directions on separate order lines. Neutral labels, customer packaging and project-specific compatibility review are available on request.
Shipping and Lead Time
Standard configurations normally ship within one to three working days, with production lead times confirmed for larger quantities. International courier, air freight and sea freight are available; customer courier accounts and nominated forwarders are accepted.
