Emerson AC4 user manual A.2.2 Connect to the Service Terminal Interface

Connecting to the Service Terminal Interface

A.2.2 Connect to the Service Terminal Interface

After creating and setting up a connection, use a communications program such as HyperTerminal to access the Liebert AC4’s Service Terminal Interface.

1.Verify communications connections between the remote computer and the Liebert AC4. Connect a null modem cable from the computer’s COM1 port to the Liebert AC4’s RS232 port (for location, see 3.4 - RS232 Connector).

2.Start the HyperTerminal program—click on the Start button, then on Programs, then Accessories, then Communications, and finally HyperTerminal.

3.Open the Liebert AC4 connection created in A.2.1 - Create a Connection. To do this, click on File, then on Open, as shown below.

Click on the file name - for example, AC4.ht

4.In the Open window, shown above right, select the file name—AC4.htin this example—and then click on the Open button.

5.Press Enter (or Escape) to initiate communication and bring up the Main Menu.

For more information on the Liebert AC4’s options:

•See A.3 - Overview of Menus for examples of the Service Terminal Interface screens.

•See Table 21 to locate step-by-step instructions for each Liebert AC4 function.

55 Liebert® AC4™