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3-2 Sun Netra CP3240 Switch Installation Guide • September 2009
3.1 Jumper Settings
The following jumper settings are available for configuring the switch. Each of
jumper settings is described in the subsections.
3.1.1 P4 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 3-1 Switch 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
TABLE 3-2 P4 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.