APC AP7900 Manual Do Utilizador

You can use a local computer that connects to the Rack PDU through the 
serial port on the front panel of the unit.

1. Select a serial port at the local computer, and disable any service 

which uses that port.

2. Use the supplied serial cable (940-0144) 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, and no flow 
control. Save the changes.

4. Press 

E

NTER

, repeatedly if necessary, to display the 

 

prompt.

5. Enter your user name and password (both 

, by default, for 

administrators only) and press the 

E

NTER

 key.

6. From the 

 menu, select, in order, 

, 

, 

 

, and 

.

7. At the prompt 

Perform transfer with XMODEM-CRC?

 type 

YES

, 

and press 

E

NTER

.

8. The system will then prompt you to choose a transfer rate and to 

change your terminal settings to match the transfer rate. Press 

E

NTER

 

to set the Switched Rack PDU to accept the download.

For a complete description of how to download a firmware upgrade 
for your Rack PDU, see 

. 

That section also explains how to use network-based file transfer 
tools, which complete a firmware upgrade more quickly than the 
XMODEM protocol described here, which uses a serial connection.