Draytek 35b Series Quick Start Manual page 8

Interface Description
Factory Reset Restore the default settings.
Usage: Turn on the router (ACT LED is blinking). Press the hole
and keep for more than 5 seconds. When you see the ACT LED
begins to blink rapidly than usual, release the button. Then
the router will restart with the factory default configuration.
USB1~USB2 Connector for a USB device (for 3G/4G USB Modem or printer).
P1~P4 Connectors for local networked devices.
DSL
Connector for accessing the Internet.
I / O
Power Switch.
PWR Connector for a power adapter.
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