Click Image for Gallery
The TP-Link TL-SM321B-2 is a Gigabit single-mode WDM Bi-Directional SFP module designed for reliable fibre networking over distances up to 2km. Featuring an LC connector with TX wavelength of 1310nm and RX wavelength of 1550nm, it supports bi-directional data transmission over a single strand of single-mode fibre, helping reduce cabling requirements while delivering stable high-speed connectivity. Compatible with SFP-MSA standards and hot-swappable for easy installation.
Features
- Adopts the latest standard 1000Base-BX
- Up to 2 km transmission distance in 9/125 μm SMF (Single-Mode Fibre)
- Compatible with Small Form Pluggable Multi-Source Agreement (SFP-MSA)
- Supports Digital Diagnostic Monitoring (DDM)
- Supports Hot Swappable
Manuals & Datasheets
Technical
| Media Converter & Module | |
|---|---|
| Standards & Protocols | IEEE 802.3z, TCP / IP |
| Wavelength | Tx: 1310 nm Rx: 1550 nm |
| Dimensions (W x D x H) | 2.2 x 0.6 x 0.5 in (55.4 x 14.6 x 12.9 mm) |
| Power Supply | 3.3 |
| Safety & Emission | FCC, CE |
| Cable | Single-Mode Fibre |
| Fibre Type | 9/125 µm Single-Mode |
| Max. Cable Length | 2 km |
| Data Rate | 1.25 Gbps |
| Port Type | LC Simplex |
| Hardware Features | DDM SFP-MSA Hot Swappable |
| Package Content | SM321B-2 Installation Guide |
| Environment | Operating Temperature: 0°C ~ 70°C (32°F ~ 158°F) Storage Temperature: -40°C ~ 85°C (-40°F ~ 185°F) Operating Humidity: 10 ~ 90% RH non-condensing Storage Humidity: 5 ~ 90% RH non-condensing |