HP (Hewlett-Packard) M208 Switch User Manual


 
USING THE HUB: Troubleshooting the Hub 29
If you plug another hub into one of the RJ45 ports (Hub to Hub) and the LED does
not turn on, try plugging it into port one and setting the selector switch to the
straight-through position (||). If this works, either use port one or change to a
crossed-over cable.
If you plug a device into one the RJ45 ports (DTE to Hub) and the LED turns on
but does not flicker when you know the device should be receiving data from
another active device, make sure that reverse receive polarity is enabled for the
port or correct the receive pair.