System Maintenance Switch - H3C UniServer R6900 G6 Technology White Paper

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X

System maintenance switch

Figure 8 shows the system maintenance switch.
switch. For information about the switch location, see
Figure 8 System maintenance switch
Table 9 System maintenance switch description
Item
1
Description
Front VGA and USB2.0 connector
Power connector 8 for the rear drive backplane
Signal connector for power supplies 3 and 4
Power connector 7 for the rear drive backplane
Power expander module connector for RISER3 and 4, GPU, OCP
3.0 network adapter 3
MCIO connector C2-P2A (x8 PCIe5.0, for processor 2)
MCIO connector C2-P2C (x8 PCIe5.0, for processor 2)
Signal connector for the OCP3.0 riser card
AUX connector for PCIe riser card 4
AUX connector for PCIe riser card 3
PCIe riser connector 2 (x16 PCIe5.0, for processor 2)
AUX connector 7 for the rear drive backplane
Built-in USB 2.0 connector
AUX connector 8 for the rear drive backplane
Mid module connectors
System maintenance switch
Description

Off (default)—HDM login requires the
username and password of a valid HDM
user account.
Table 9 describes how to use the maintenance
"Processor system board
Remarks
For security purposes, turn off the switch after
you complete tasks with the default username
and password as a best practice.
10
Mark
LEFT EAR
PWR8
PSU34
PWR7
RISER & GPU POWER
C2-P2A
C2-P2C
OCP3
RISER4 AUX
RISER3 AUX
RISER2 PCIe X16
AUX7
INTERNAL USB2.0
AUX8
N/A
MAINTENANCE SW
components."