TP-LINK TL-SM331T 1000BASE-T RJ45 SFP Module
SKU: SM331TNetworking › Network Accessories
Please enquire before ordering
The distributor has not yet confirmed the latest price and availability (last checked Aug 20, 2026)
092-251-4017Awaiting stock confirmationManufacturer's warranty
GenuineFree delivery from ฿5,000Tax invoice
SFP transceiver module for 1 Gbps network connectivity over Cat 5e or higher LAN cable, supports automatic plug-in and operates in temperatures from 0–70°C
Key features
- Supports 1000 Mbps speed over Cat 5e or higher cables
- Connects up to 100 meters
- Durable metal housing with effective EMI shielding
- Supports Hot Swappable plug-in
- Typical power consumption of only 0.5W
Product description
The TP-Link TL-SM331T SFP module extends Copper network connectivity up to 100 meters via the SFP port, supporting speeds up to 1.25 Gbps over Cat 5e or higher cables. Designed for use in both office and industrial environments, its durable metal housing effectively shields against electromagnetic interference (EMI). The module supports Hot Swappable plug-in capability, allowing installation or removal without powering down the system, and is ready to use immediately with no additional configuration required. With a typical power consumption of only 0.5 watts and a maximum of 0.8 watts, it is ideal for continuous network operations requiring stability and energy efficiency
More features
- Supports TX Disable configuration for signal transmission control
- Operates in temperatures from 0–70°C
- Compatible with multiple network device brands
- Easy installation with no additional configuration required
- Supports IEEE 802.3-2002
Pros and limitations
Pros
- Supports up to 100 meters of reach over Cat 5e or higher cables
- Durable metal housing provides excellent EMI protection
- Typical power consumption of only 0.5W
- Supports Hot Swappable plug-in without requiring system shutdown
- Compatible with multiple network device brands
Limitations
- Not supported for fiber connectivity
- Requires use with devices that support SFP ports only
Who it is for
Ideal for users who need to extend Copper network connectivity up to 100 meters remotely via a switch or network device with an SFP port, such as an IP camera, IP phone, or Access Point
Connectivity
RJ45
Specifications (35)
- Data Rate
- 1.25 Gbps
- Port Type
- 1× 1000 Mbps RJ45 Port
- Port Count
- 1
- Power Supply
- 3.3V
- Compatibility
- Various optic fiber equipment from different vendors
- Hot Swappable
- Yes
- SFP Footprint
- Hot-Pluggable
- EMI Protection
- Low EMI
- Enclosure Type
- Fully Metallic Enclosure
- Interface Type
- RJ45
- Pin Assignment
- 20-pin SFP
- Reach Distance
- 100m
- Supply Current
- 150–250 mA
- Max. Cable Length
- 100m* (Cat 5e or above)
- Power Consumption
- 0.5 W Typical, 0.8 W Max
- Safety & Emission
- FCC, CE
- Cable Type Support
- Cat 5e or above
- Dimensions (W*D*H)
- 2.7*0.5*0.5 in (67.4*13.75*13.8 mm)
- Storage Temperature
- -40–85 ℃ (-40–185 ℉)
- TX Disable Function
- Support
- Operating Temperature
- 0–70 ℃ (32–158 ℉)
- Standards and Protocols
- IEEE 802.3-2002
- Recommend Input Voltage Range
- 3.13–3.47 V
- Electrical Characteristics - Input LOW VIL
- 0–0.8 V
- Electrical Characteristics - Input HIGH VIH
- 2 Vcc + 0.3 V
- Electrical Characteristics - Output LOW VOL
- 0–0.5 V
- Electrical Characteristics - Output HIGH VOH
- host_Vcc – 0.5 to host_Vcc + 0.3 V
- High-Speed Electrical Interface - Input Swing
- 150–1000 mV
- High-Speed Electrical Interface - Output Swing
- 600–2000 mV
- High-Speed Electrical Interface - Line Frequency
- 125 MHz
- High-Speed Electrical Interface - Rx Input Impedance
- 100 Ohm
- High-Speed Electrical Interface - Tx Input Impedance
- 100 Ohm
- High-Speed Electrical Interface - Rx Output Impedance
- 100 Ohm
- High-Speed Electrical Interface - Tx Output Impedance
- 100 Ohm
- High-Speed Electrical Interface - Output Rise/Fall Time
- 100–200 psec
Datasheets and manuals straight from the manufacturer — select a document to open or download it.
13 questions
Frequently asked questions about this product
Compiled from manufacturer information
Which switch models is the TL-SM331T module compatible with?
This module works with SFP-compatible switches that support the 1000BASE-T standard, particularly models designed to support Copper SFP modules such as TP-Link Smart Switches or other network devices specifying compatibility with this module
What types of LAN cables can be used?
Supports Cat 5e or higher LAN cables, such as Cat 6, Cat 6a, or Cat 7, to achieve an effective maximum distance of 100 meters
How much power does it consume?
Consumes only 0.5 watts (Typical) to 0.8 watts (Max), making it energy-efficient and suitable for continuous operation
Does it require additional setup after installation?
No additional configuration is required as it is Plug and Play, ready to use immediately upon insertion into the SFP port of a device
What is the maximum operating temperature?
Operates in temperatures from 0–70°C, making it suitable for office environments or locations with fluctuating temperatures
Does it support Hot Swap module replacement?
Yes, it supports Hot Swappable module replacement, allowing installation or removal without shutting down the network system
What is the TX Disable feature used for?
The TX Disable feature allows disabling signal transmission from the module, useful for controlling network communication such as preventing interference or enabling transmission only at specific points
Is there a warranty?
Warranty information is not available in the provided data, but you can contact the sales team immediately for further details
Is it in stock?
We are confirming the latest stock and price of the TP-LINK TL-SM331T 1000BASE-T RJ45 SFP Module with the distributor. Please contact us before ordering at 092-251-4017 or sales@gist.co.th.
How much does it cost?
The distributor has not yet confirmed the latest price and availability. Please contact us before ordering at 092-251-4017 or sales@gist.co.th.
How long is the warranty?
The warranty follows the manufacturer's terms for each model; ask our sales team for the warranty period of this model. To make a warranty claim, call 092-251-4017 or 065-523-5262, or email sales@gist.co.th (Mon–Fri 9:00–18:00), then send the product with your order number to our head office, or bring it to the head office in person.
How long does delivery take?
Orders placed before 12:00 on a business day are delivered within 1–3 business days (Bangkok and vicinity) or 2–5 business days (other provinces). Free delivery on orders of ฿5,000 or more (a ฿150 delivery fee applies below this amount).
Is it genuine?
Genuine products sourced from distributors in Thailand, covered by the manufacturer's warranty. Full tax invoices are available.
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Genuine products
Sourced from distributors in Thailand and covered by the manufacturer's warranty
Warranty period
According to the manufacturer's terms for each model
Covered by the manufacturer's warranty; you can make claims through GIST
Claims through GIST
Ship the product to our head office or bring it in person
Warranty conditions
- A receipt or other proof of purchase is required
- The product must not have been modified or altered
- Damage caused by misuse is not covered by the warranty
- To make a warranty claim, call 092-251-4017 or 065-523-5262, or email sales@gist.co.th (Mon–Fri 9:00–18:00), then send the product with your order number to our head office, or bring it to the head office in person.Head office: 554 Sky Nine Center, Floor 12A, Room 554/62, Asok-Din Daeng Road, Din Daeng Subdistrict, Din Daeng District, Bangkok 10400
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