TP-LINK
TP-Link TL-SM321B-2 1000Base-BX WDM Bi-Directional SFP Module | Gigabit Single-Fiber Transceiver with DDM and Hot-Swap Support
TP-Link TL-SM321B-2 1000Base-BX WDM Bi-Directional SFP Module | Gigabit Single-Fiber Transceiver with DDM and Hot-Swap Support
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The TP-Link TL-SM321B-2 is a compact, high-performance SFP transceiver module designed for gigabit fiber communication over single-mode fiber. Utilizing WDM bi-directional technology, it enables efficient data transmission and reception over a single fiber strand, making it ideal for enterprise and industrial deployments.
Overview
1000Base-BX WDM bi-directional SFP module for gigabit fiber communication
Transmits and receives data over a single 9/125 μm single-mode fiber (SMF)
Supports transmission distances up to 2 km
Compatible with SFP-MSA (Multi-Source Agreement) compliant switches and routers
Supports Digital Diagnostic Monitoring (DDM) for real-time performance tracking
Hot-swappable design for easy installation and maintenance
Designed to work in pairs with TL-SM321A-2 for full-duplex communication
Specifications
| Feature | Description |
|---|---|
| Standard | IEEE 802.3z 1000Base-BX |
| Fiber Type | 9/125 μm Single-Mode Fiber |
| Wavelength | TX: 1550nm / RX: 1310nm |
| Transmission Range | Up to 2 km |
| Connector Type | LC Duplex |
| Compatibility | SFP-MSA compliant devices |
| DDM Support | Yes (Digital Diagnostic Monitoring) |
| Hot-Swappable | Yes |
| Operating Temp | 0°C to 70°C |
| Pairing Module | TL-SM321A-2 |
Applications
Ideal for point-to-point fiber links in enterprise networks, campus backbones, and ISP infrastructure. Perfect for extending gigabit connectivity with minimal fiber usage.
Why Choose TP-Link TL-SM321B-2
With WDM single-fiber transmission, DDM support, and hot-swap convenience, the TL-SM321B-2 offers a reliable and space-efficient solution for gigabit fiber deployments.
Buy Now from Mustafa Computers Get the TP-Link TL-SM321B-2 SFP Module today at Mustafa Computers and build high-performance fiber links with minimal infrastructure.
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Shipping Policy
Shipping Policy
Free Delivery within Lahore: Available on orders above PKR 10,000 (selected items only).
Other Cities: Free delivery on orders above PKR 15,000. Standard courier charges apply otherwise.
Delivery Time: 3–5 business days (subject to courier and destination).
Couriers: We use TCS and Postex. Bulky items may be shipped via city-to-city cargo, with self-collection for cheaper delivery.
COD Orders
- Available on selected items only, up to PKR 19,000.
- 4% government tax applies on COD payments.
- Orders PKR 19,001–100,000 require 50% advance.
- Orders above PKR 100,000 require full advance or in-store pickup.
- Full advance may be required for certain items below PKR 19,000.
Return Policy Warranty
- 7 Days Return Warranty for defective or incorrect items.
- Products must be in original packaging with all accessories and documentation.
- No return for “change of mind”, software, or consumables (e.g., cartridges, toners).
Warranty Claim
- Warranty coverage is as per manufacturer or Mustafa Computers’ terms.
- Company may repair, replace, or issue a credit note for valid claims.
- No warranty for electrical damage, cartridges, or printer heads.
- Warranty void if item is physically damaged or packaging/accessories are missing.
- Check warranty applies to used items only.
- For international warranty, customer bears freight charges.
Customers must ensure they receive the warranty card and invoice at purchase. (Some items are valid by invoice only.)