VMG/EMG/AM/DM/GM Series User’s Guide
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CHAPTER 2
Hardware
This section describes the front and back panel of the Zyxel Device. Refer to the Quick Start Guides to
see how to make the hardware connections.
2.1 LED Indicator
Use the LEDs to determine if the Zyxel Device is behaving normally or if there are problems on your
network.
2.1.1 VMG3312-T20A
Figure 14 VMG3312-T20A
The following are the LED descriptions of your VMG3312-T20A.
Table 3 VMG3312-T20A LED Descriptions
LED COLOR STATUS DESCRIPTION
POWER Green On The Zyxel Device is receiving power and ready for use.
Blinking The Zyxel Device is self-testing.
Red On The Zyxel Device detected an error while self-testing, or there is a device
malfunction.
Off The Zyxel Device is not receiving power.
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