TRENDnet TEW-691GR - Hardware Overview; LED Indicators; Rear Panel Ports

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3. Hardware Overview
3.1 LED Indications: (from left to right)
 WPS
 WLAN
 Reserve
 LAN1
 LAN2
 LAN3
 LAN4
 WAN
 PWR
3.2 Rear panel: (from left to right)
 DC-IN
 RESET
 Power switch
 Wi-Fi on/off switch
 WAN
 LAN1
 LAN2
 LAN3
 LAN4