3Com CS/2500 manual Configuration

4-14 CHAPTER 4: CONFIGURATION

1From the Change Parameters menu in the Firmware Configuration Utility, type S .

The System Default Configuration menu appears:

1 - Change default memory map to CS2000/2100

2- Configure port(s) as RS-232

3- Configure port(s) as RS-422

4- Enable/Disable automatic RS-422 port selection (pin 25)

Current Configuration:
Default	memory map	CS2500/2600
RS-232	ports	0 1 2 3 4 5 6 7 8 9
RS-422	ports
Auto RS-422 select		Disabled

2To change a port to RS-422, type 3 .

A prompt appears, explaining that any ports you type will be configured for RS-422, while others will be configured for RS-232. At the prompt, type the numbers of the ports to be reconfigured and press the Return key. You do not need to separate the numbers by spaces or commas. To change all ports to RS-422, type A .

The System Default Configuration menu reappears, showing the changed configuration.

If you change the console port to RS-422, but do not change your console to match, the server reverts to automatic RS-422 selection mode. This prevents you from being “locked out” of the monitor if the port configuration does not match the console type.

3To change a port back to RS-232, type 2.

At the prompt, type the numbers of the ports to be reconfigured and press the Return key. Again, you do not need to separate the numbers by spaces or commas. To change all ports to RS-232, type A .

4To enable automatic RS-422 port selection (for pin 25 only), type 4 .

This option allows you to connect a mix of RS-232 and RS-422 devices to the serial ports without configuring the ports individually. When an RS-422 connector is attached to a serial port, the port detects the