User`s guide
40 • Jumpers and Connectors
S3, S4: LAN2 Connecting Selection
Switch S3 Switch S4
LAN 2
Connecting
Pin# State Pin# State
S3-1 ON S4-1 OFF
S3-2 ON S4-2 OFF
S3-3 ON S4-3 OFF
Connect to
PICMG 2.16
Backplane
S3-4 ON
S4-4 OFF
S3-1 OFF
S4-1 ON
S3-2 OFF
S4-2 ON
S3-3 OFF
S4-3 ON
Connect to
Rear Panel
(Default)
S3-4 OFF
S4-4 ON
Table 27: LAN2 Connecting Selection
0 DO NOT set S1 and S2 or S3 and S4 to “ON” at the same time. It may
cause the ethernet to malfunction or even damage the board devices.
2.3.20 Setting Jumper on cPCI-6810/6820
A 3-pin jumper (JP1) is used to set the SBC as either “in normal operation” or
“forcing the SBC to SYSTEM mode”.
Note: When cPCI-6810/6820 is in the Packet Switching Backplane has no
PCI bus, please set JP1 as “1-2”.
Pin # Signal Name
1 GND
2 SYSEN#
3 NC
Normal operation (Default setting)
3
2
1
3
2
1
Force cPCI-6810/6820 to SYSTEM
mode