3Com 9000 manual Enter 1 5 5 1.1.2 Following messages are displayed

98CHAPTER 5: CONFIGURING THE PLATFORM

Set Loop Mode Set the loop mode of selected port as None, Loop Forward or Loop Back. You are prompted to specify a port and a mode. For details on loop mode, see the IFC User Guide.

Command Actions

Enter the menu sequence: (1) SYS: Platform Configuration

(5) IFC: Interface Cards

(5) SLM: Set Loop Mode

Enter a parameter at the prompt

Parameter	Format or Range
Port Number	slot.group.port (0.0 - For all)
Loop Mode	0	for No loop
	1	for Loop back
	2 for Loop forward
Direct access sequence:	1	5 5 [parameters]

Command Result

System action taken:

System message display:

The loop mode of the selected port on the interface module is set and saved.

Setting loop mode has completed

successfully.

CAUTION: When setting the loop mode on one of the ports of an OC-3c or 155 Mbps-over-UTP5 card to Loop back, all four ports are automatically updated, even if only one port was selected.

Example

Enter: 1 5 5 1.1.2 1

The following messages are displayed:

The following settings will take place:

Changing port <1.1.1> setting from no loop mode to loopback mode. Changing port <1.1.2> setting from no loop mode to loopback mode. Changing port <1.1.3> setting from no loop mode to loopback mode. Changing port <1.1.4> setting from no loop mode to loopback mode. Do you really want to do these changes ? (Y/N)? y

Setting port loop mode command has completed successfully.

The loop mode of port 1.1.2 is set to Loop back.