User`s guide

Metered Rack PDU for High Density
9
option (DHCP option 43). By default, the
Rack PDU ignores DHCP offers that do not
encapsulate the APC cookie in the Ven dor
Specific Information option using the
following hexidecimal format:
Option 43 = 01 04 31 41 50 43
where
–The first byte (01) is the code
–The second byte (04) is the length
–The remaining bytes (31 41 50 43) are
the APC cookie
See your DHCP server
documentation to add code to the
Vendor Specific Information
option.
You can use a local computer to
disable the APC cookie
requirement. To use a local
computer, see “Local access to
the control console” on this
page. To change the control
consoles DHCP Cookie Is
setting, an Advanced option in
the TCP/IP menu, use Telnet or
another remote accessing
method. To access the control
console, see “Remote access to
the control console” on page 10.
Local access to the control console
You can use a local computer to connect to the Rack
PDU to access the control console.
1. Select a serial port at the local computer, and
disable any service which uses that port.
2. Use the serial cable (APC part number
940-0144A) to connect the selected port to the
serial port on the front panel of the Rack PDU.
3. Run a terminal program (such as
HyperTerminal
®
) and configure the selected
port for 9600 bps, 8 data bits, no parity, 1 stop
bit, no flow control, and save the changes.
4. Press
ENTER to display the User Name
prompt.
5. Use apc for the user name and password.
6. See “Control console” on page 11 to finish the
configuration.