H3C UniServer R4900 G3, Руководство пользователя

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7
Button/LED Status
If a system alarm is present, log in to HDM to obtain more information about
the system running status.
mLOM Ethernet adapter
Ethernet port LED
•
Steady green —A link is present on the port.
•
Flashing green (1 Hz) —The port is receiving or sending data.
•
Off —No link is present on the port.
Power on/standby button
and system power LED
•
Steady green —The system has started.
•
Flashing green (1 Hz) —The system is starting.
•
Steady amber —The system is in Standby state.
•
Off —No power is present. Possible reasons:
{
No power source is connected.
{
No power supplies are present.
{
The installed power supplies are faulty.
{
The system power cords are not connected correctly.
UID button LED
•
Steady blue —UID LED is activated. The UID LED can be activated by
using the following methods:
{
Press the UID button LED.
{
Activate the UID LED from HDM.
•
Flashing blue :
{
1 Hz —The firmware is being upgraded or the system is being
managed from HDM.
{
4 Hz —HDM is restarting. To restart HDM, press the UID button LED
for eight seconds.
•
Off —UID LED is not activated.
Ports
The server does not provide fixed USB 2.0 or VGA connectors on its front panel. However, you can
install a front media module if a USB 2.0 or VGA connection is needed, as shown in
Table 4 . For
detailed port locations, see " Front panel view ."
Table 4 Optional ports on the front panel
Port Type Description
USB connector USB 3.0/2.0
Connects the following devices:
•
USB flash drive.
•
USB keyboard or mouse.
•
USB optical drive for operating system
installation.
VGA connector DB-15
Connects a display terminal, such as a monitor or
KVM device.
Rear panel
Rear panel view
Figure 8 shows the rear panel view.