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The TP-Link LS109P is an unmanaged desktop switch equipped with a total of 9 Fast Ethernet ports (10/100 Mbps), ensuring stable connectivity for all connected devices on the local network. Of these ports, 8 Ethernet ports (Ports 1–8) support power over the PoE+ (802.3af/at) standard, with a maximum power output of up to 30 W per port, enabling power supply for end devices such as Wi-Fi access points, VoIP phones, or IP cameras. The total PoE power budget for the entire device is 65 W. The LS109P operates in Plug and Play mode and requires no configuration or software management, but it offers two operating modes switchable via a physical slider: the "Extend" mode increases the PoE power and data transmission range on ports 1-8 to 250 meters, at the cost of limiting bandwidth to 10 Mbps, while the "Priority" mode ensures power priority to the highest-numbered ports to protect against overloading the total PoE budget in case too many power-hungry devices are connected. The device features a metal desktop enclosure and is equipped with passive cooling (fanless), guaranteeing silent operation; the switch can be placed on a desk or shelf or mounted on the wall using the included kit.

Power over Ethernet - Flexible Network Deployment
The LS109P switch complies with IEEE 802.3af/at PoE standards, offering a total PoE power budget of up to 63 W.
(up to 30W on each PoE port*)

Switch Designed for IP Surveillance Systems
— up to 250 m transmission range

Modes for Enhanced Network Security and Stability

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Isolation Mode
Easily separate traffic to prevent snooping, network tampering, and broadcast storms.
PoE Auto Recovery
This function detects and restarts devices that are offline or unresponsive.

Plug and Play
1. Connect to power
2. Connect devices
3. Done!

Specifications
TP-Link LS109P | |
Hardware Features | |
---|---|
Ports | 9× 10/100 Mbps RJ45 Ports (8 ports with PoE+ 802.3af/at output) Auto Negotiation Auto MDI/MDIX |
Network Media | 10BASE-T: UTP category 3, 4, 5 cable (max. 100 m) EIA/TIA-568 100Ω STP (max. 100m) 100BASE-TX: UTP category 5, 5e cable (max. 100 m) EIA/TIA-568 100Ω STP (max. 100m) |
Fan Quantity | Fanless |
Mounting | Desktop Wall-Mount |
Power Supply | External Power Adapter (Output: 53.5V DC / 1.31A) |
LED Indicators | Power Link/Act PoE Status PoE MAX |
PoE Ports (RJ45) | 802.3af/at compliant PoE Ports: 1 - 8, up to 30W power per port Total PoE Power Budget: 63 W |
Dimensions (W x D x H) | 171 × 98 × 27 mm (6.7 × 3.9 × 1.1 inches) |
Max Power Consumption | 3.67 W (220 V/50 Hz, no PoE device connected) 73.24 W (220 V/50 Hz, with 63W PoE devices connected) |
Max Heat Dissipation | 12.48 BTU/h (220 V/50 Hz, no PoE device connected) 249 BTU/h (220 V/50 Hz, with 63W PoE devices connected) |
Performance | |
Switching Capacity | 1.8 Gbps |
Packet Forwarding Rate | 1.3392 Mpps |
MAC Address Table | 2K |
Jumbo Frame | 1.5 KB |
Software Features | |
Advanced Features | Extend Mode (Ports 1-4/1-8, up to 250m PoE power and data transmission) Isolation Mode (Ports 1-8) PoE Auto Recovery (Ports 1-8) 802.3af/at PoE Device Compliance Automatic MAC Address Learning and Aging IEEE 802.3x Flow Control Green Technology |
Transmission Method |
Store-And-Forward |
Others | |
Package Contents | LS109P Power Adapter Installation Guide Rubber Feet |
Environment | Operating Temperature: 0?~40? (32?~104?) Storage Temperature: -40?~70? (-40?~158?) Operating Humidity: 10%~90% RH, non-condensing Storage Humidity: 5%~90% RH, non-condensing |