3Com AccessBuilder 4000 Installation Manual page 14

Risc-based multiprotocol, multiport networking devices
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1-6
C
1: I
HAPTER
NTRODUCTION
Power Switch and Receptacle. The AC power switch is marked
according to international 1/0 convention; when the 1 side is pressed,
the switch is on; when the 0 side is pressed, the switch is off. The
switch and power receptacle are accessible from the right rear of the
chassis.
The international CEE-22 AC power receptacle is approved for 6-amp
operation. The chassis ground is on the middle prong of the connector.
All systems are shipped with power cords; if your power cord does not
match your local requirements, contact your AccessBuilder supplier for
assistance.
Flash Memory. Flash memory on the processor board is used to
permanently store the AccessBuilder operating software. There are no
installation disks involved (unless upgrading to a newer version of the
operating software). Each system arrives from the factory with all of its
server software already loaded into flash memory.
Console Port. A built-in RS-232 console port (DCE) is also provided
on the chassis rear panel. Should you wish to use the command line
user interface for installing, configuring, and monitoring your server, a
terminal or workstation running a terminal emulation program can be
connected to the console port (using a straight through cable). The
console port is DB-25.
Error messages and remote user connection information are output to
the console port as these events occur. Attachment of this port to a
line printer or PC running a terminal emulator with a screen save utility
can be used to capture these messages for diagnostic use.
A modem may also be attached to this port (using a null modem cable)
to enable software updating from a remote server.

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