2-11
{
If the LED is off, the link has not been set up. The reason might be wrong connection of the
Tx and Rx ends. Swap the fiber cables in the Tx and Rx ports at one end of the fiber
connection.
Figure2-12 Connecting an optical fiber
Connecting the power cord
CAUTION:
Before connecting the power cord, make sure the local AC power source is reliably grounded.
Connecting the power adapter for the
WX1804H-PWR/WX1820H access controller
If you use the local power source for the WX1804H-PWR/WX1820H access controller, use a power
adapter to connect the device to the power source.
To connect the power adapter for the WX1804H-PWR/WX1820H access controller:
1.
Make sure the device is reliably grounded.
2.
Connect the power adapter to the DC power receptacle on the front panel of the device.
3.
Connect the power adapter to the power source.
4.
Observe the LEDs on the device to verify that the power adapter is connected correctly. For
information about LEDs, see "Appendix A Chassis views and technical specifications."
