Power Connection - ZyXEL Communications GS1900 Series User Manual

authority or an electrician.
This device must be grounded. Do this before you make other
connections.

3.2.2 Power Connection

Make sure you are using the correct power source and that no objects obstruct the airflow of the fans.
The Switch uses two power supply modules, one of which is redundant, so if one power module fails the
system can operate on the remaining module.
Rear Panel Power Connection
Connect one end of the supplied power cord or power adapter to the power receptacle on the back
of the Switch and the other end to the appropriate power source.
For Switches with a power switch (see
Switch power on or off.
Connecting the Power
Use the following procedures to connect the Switch to a power source after you have installed it in a
rack.
Note: Use the included power cord for the AC power connection.
Connect the female end of the power cord to the AC power socket.
1
Connect the other end of the cord to a power outlet.
2
Disconnecting the Power
The power input connectors can be disconnected from the power source individually.
Disconnect the power cord from the power outlet.
1
Disconnect the power cord from the AC power socket.
2
Chapter 3 Hardware Overview
Table 1 on page
GS1900 Series User's Guide
39
17), use the POWER ON/OFF switch to have the