User manual

TD990200-0ME

Appendix C: COM Port Communication

Null Modem Cable

Since the COM1 and COM2 ports on the Metasys Ethernet Router

are wired as a DTE and the COM port on a laptop or desktop

computer is wired the same way, a null-modem cable is required

between devices

Figure 6

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Null-Modem Cable Detail

Setting Up HyperTerminal

HyperTerminal is a terminal emulation program included with

Windows 95, 98 and NT. If it is not installed on your machine, go to

your Control Panel. Double click the Add/Remove Programs icon.

Select the Windows Setup tab. Select the Communications

component. Press the details button. Check the HyperTerminal box.

Then press the OK button. Then press the next OK button.

Windows should then install HyperTerminal. To properly

communicate with the Embedded Metasys Ethernet Router you will

need to properly configure HyperTerminal. First run HyperTerminal

and then:

• Choose the File menu item.

• Choose the Properties menu item.

• In the “Connect using” box select the COM port you are using

to communicate with the Metasys Ethernet Router.