TP-Link TL-MR3020 - The Rear Panel

TL-MR3020 Portable 3G/4G Wireless N Router
1.4.2 The Rear Panel
Figure 1-2 Rear Panel sketch
The following parts are located on the rear panel (View from left to right).
 3G/4G USB Port: This port is used to plug a 3G/4G modem/card.
 Mini USB Port: This port is used to connect the provided power adapter.
 RJ45 Ethernet Port: This port can be LAN or WAN port depending on the working mode.
 Mode Switch: This button is used to switch the working mode of the router.
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