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TP-Link SM321A — 1000Base-BX WDM Bi-Directional SFP Module. Manufacturer reference.
TP-Link · Full reference: SM321A
Ask about this modelManufacturer reference
Manufacturer details describe the cited version. Confirm the exact unit and intended system.
- Product type
- 1000Base-BX WDM Bi-Directional SFP Module
- Standards and Protocols
- IEEE 802.3z, TCP/IP
- Wave Length
- TX: 1550 nm, RX: 1310 nm
- Cable
- Single-mode fiber
- Fiber Type
- 9/125 μm single-mode
- Max. Cable Length
- 20 km
- Data Rate
- 1.25Gbps
- Port Type
- LC Simplex
- Power Supply
- 3.3V
Selection notes
- Specifications are from the manufacturer's official datasheet.
- ISD stock, price, Malaysian warranty and delivery are confirmed separately. Confirm the exact model suffix and supplied revision.
Official documents
Manufacturer source checked 2026-10-26. The supplied unit and local terms require confirmation.