SMC Networks 100 - Manual (Page 48)

I
NSTALLING THE
S
WITCH
3-10
3. Check the front-panel LEDs as the device is powered on to be
sure the Power LED is lit. If not, check that the power cable is
correctly plugged in. The Mgmt LED on the unit with the
Network Management Module installed will be lit.
4. If you have a purchased Redundant Power Unit, connect it to
the device and to an AC power source now, following the
instructions included with the package.