Canton 3C16476CS manual Connecting a Network Device

Color	State
Yellow	Power-on self-test or loopback test failed.
	This can happen if a ports or ports fail
	when the Switch was powered on.
Off	The unit is not receiving power:
	■	Verify that the power cord is connected
		correctly, and then try powering on the
		Switch again
	■	If the Switch still does not operate, con-
		tact your 3Com network supplier

If POST fails, try the following:

■Power off the Switch, and then power it on again. Check the Power LED and see if POST was successfully completed.

■Reset the Switch. See “Resetting to Factory Defaults” on page 59.

CAUTION: Resetting the Switch to its factory defaults erases all your settings. You will need to reconfigure the Switch after you reset it.

If these do not resolve the issue:

■Check the 3Com Knowledgebase for a solution. To visit the 3Com Knowledgebase Web site, start your Web browser, and then enter

http://knowledgebase.3com.com

■Contact your 3Com network supplier for assistance.

Connecting a Network Device 17

Connecting a Network Device

To connect a network device to the Switch, use Cate- gory 5 unshielded or shielded (screened) 100 Ohm TP cables (or Category 3 cables for 10 Mbps connec- tions).

For optimal connections, ensure that the cable length for each connection is not longer than 100 m (328 ft).

Figure 3 Connecting Devices to the Switch

	Endstations on switched
Baseline 10/100 switch	100 Mbps connections

	Endstations	on switched
Baseline 10/100 switch	100 Mbps connections
Baseline Switch 2250 Plus		1000 Mbps copper
		or fiber connection
		to backbone or
		server/workstation
		Endstations
		on switched
1000 Mbps link		10 or 100 Mbps
		connection
10 or 100 Mbps link

Server on switched 1000 Mbps connection

To connect a device to the Switch:

1Connect one end of the cable to an RJ-45 port on the Switch.

2Connect the other end to the appropriate RJ-45 port on the connecting device.

For 1000BASE-T operation, 3Com recommends using Category 5e or 6 cables.