3Com 500 manual Disconnect the power before moving the unit

■There are no user-replaceable fuses or user-serviceable parts inside the unit. If you have a physical problem with the unit that cannot be solved with problem solving actions in this guide, contact your supplier.

■Disconnect the power before moving the unit.

WARNING: Twisted Pair RJ45 data port. This is a shielded RJ45 data socket. It cannot be used as a telephone socket. Only connect RJ45 data connectors to this socket.