Lenovo RackSwitch G8124E, Руководство по установке

Страница: 22 / 78

22
G8124-E Installation Guide
System Status LEDs
The following table describes the behavior of the system status LEDs:
Note 1:
Support for the stacking feature depends on the installed firmware. To
determine whether your switch supports stacking, see the
Application Guide
for your
specific switch and firmware version.
Note 2:
If service required is due to a stacking error, either the Master or Member
LED may be steady green, depending on the last known good state, or both LEDs
may be steady green to indicate a general stacking error.
Switching Ports
The G8124-E contains the following switching ports:
•
Twenty=-four 10 GbE SFP+ ports
SFP+ ports can be populated with optical or copper transceiver modules or
Direct-Attach Cables (DACs).
For a list of compatible transceivers and DACs, see the Lenovo Networking Catalog .
The switching ports are described in the following sections. For information about
ports on the management panel, see “Management Panel” on page 20 .
SFP+ Ports
Statement 3
CAUTION:
When laser products (such as CD-ROMs, DVD drives, fiber optic devices, or
transmitters) are installed, note the following:
•
Do not remove the covers. Removing the covers of the laser product could
result in exposure to hazardous laser radiation. There are no serviceable
parts inside the device.
Table 4. System status LEDs behavior
LED State Functional Meaning
All Off Total power failure.
- Power Steady green Power is OK.
Flashing green Power supply failure or disconnection. Service is
required.
- Fans Steady green Fans are OK.
Flashing green Fan failure. Service is required.
MB
- Master
1
Steady green Device is the Master in a stack.
2
MS
- Member
1
Steady green Device is a Backup/Member in a stack.