Sun Microsystems CP3240 manual Jumper Settings, 1 P4 Cross-Connect Control

3.1Jumper Settings

The following jumper settings are available for configuring the switch. Each of jumper settings is described in the subsections.

TABLE 3-1Switch Configuration Jumper Settings

Jumper	Default	Purpose
P4	L2	Cross Connect Control
P6(1-2)	OFF	Fabric Zero Reset Configuration Word
P6(3-4)	OFF	Base Zero Reset Configuration Word
P8(1-2)	OFF	Base Write Protect Disable
P8(3-4)	OFF	Fabric Write Protect Disable
P9	OFF	IPMC Firmware Write
P10(1-2)	OFF	IPMC Disable
P10(3-4)	OFF	IPMC FWE
P11(1-2)	OFF	Forced Board Enable
P11(3-4)	OFF	IPMC Board Reset Disable
P12	OFF	EMI Ground to Logic Ground
P13	OFF	Serial Direction

3.1.1P4 Cross-Connect Control

This jumper is used to control ShMC cross connect. ShMC cross connect is the ability to connect to two ShMCs at 10/100 each rather than use a single 10/100/1000 for a single ShMC. The first ShMC port is number 1 on the Base. The second ShMC port is number 17 on the Base.

TABLE 3-2P4 Cross-Connect Jumper Settings

P4	Default	Function
OFF		Software control of cross connect.
1-2	Default	Force cross connect enabled, base channel 1 is two 10/100BaseTX
		ports.
3-4		No cross connect; base channel 1 is 10/100/1000Base-T.

3-2Sun Netra CP3240 Switch Installation Guide • September 2009