NET SWITCH MODULE SFP 1000B-BX/SM321B TP-LINK
TP-Link 1000Base-BX WDM Bi-Directional SFP Module. SFP transceiver type: Fiber optic, Maximum data transfer rate: 1250 Mbit/s, Interface type: SFP. Input voltage: 3.3 V. Certification: FCC, CE. Width: 55.4 mm, Depth: 12.9 mm, Height: 12.9 mm. Package width: 81.5 mm, Package depth: 122.5 mm, Package height: 38.5 mm
TP-LINK
TP‑Link delivers networking solutions—routers, switches, and smart home devices—balancing performance, features, and price.
Part number |
SM321B |
Barcode |
6935364030520 |
Spotlight:
- WDM Bi-Directional SFP Module
- Supports WDM Bi-Directional technology, using a single strand of fiber, cost saving
TP-LINK´s TL-SM321B adopts the latest standard 1000Base-BX, transmission over a single strand of fiber, with one different wavelength going in each direction. You can extend the network distance up to 10Km with TP-LINK´s Routers, Switches, Media Converters to provide high speed and stability.
Features
- Supports WDM Bi-Directional technology, using a single strand of fiber
- TX: 1310nm / RX: 1550nm
- Internal +3.3V Power Supply
- In pairs with TL-SM321A
- Plug-and-Play
- Suitable: MC220L, TL-R4199G/4299G, TL-SG3109, TL-SL3428/3452, TL-SG2109WEB/2216WEB/2224WEB, TL-SL2210WEB/2218WEB/2428WEB/2452WEB, TL-SL1351 and the other equivalent devices
Technical Specifications
General
| Certification | FCC, CE |
|---|
Power & UPS
| Input voltage | 3.3 V |
|---|
Physical
| Width | 55.4 mm |
|---|---|
| Depth | 12.9 mm |
| Height | 12.9 mm |
| Package weight | 60 g |
| Package width | 81.5 mm |
| Package depth | 122.5 mm |
| Package height | 38.5 mm |
Environmental
| Operating temperature (T-T) | 0 - 70 °C |
|---|---|
| Storage temperature (T-T) | -40 - 80 °C |
| Operating relative humidity (H-H) | 10 - 90% |
| Storage relative humidity (H-H) | 5 - 90% |
Additional Specifications
| Unit Calculated Volume | 0.000336 cubm |
|---|---|
| Unit Calculated Weight | 0.06 kg |
| Category Code | NTM |
| Vendor Homepage | https://www.tp-link.com/products/productDetails.asp?class=&content=fea&pmodel=TL-SM321B |
| Unit Box Height | 0.035 |
| Unit Box Length | 0.12 |
| Unit Box Width | 0.08 |
| Units per Shipping Box | 1 |
| Model | TP-LINK TL-SM321B V3 |
| Harmonized System (HS) code | 85369010 |
| Networking standards | IEEE 802.3z |
| Plug and Play | Yes |
| Maximum data transfer rate | 1250 Mbit/s |
Product Description Specs
| Fiber | optic |
|---|---|
| Maximum data transfer rate 1250 | Mbit/s |
| Interface type | SFP |
| Maximum transfer distance | 10000 m |
| Operating temperature (T-T) 0 - 70 | °C |