12000 Series Switches
True Scale Fabric Switches 12000 Series Hardware
Installation Guide July 2015
66 Order Number: G91928004US
2.10.4.2 MRL Active
The MRL Active LED is Green when the mechanical release latch (MRL) thumbscrew is
secured to the serial, Ethernet, Chassis EEPROM Board (SEEB) and a Management
Module is installed in the front of the chassis.
2.10.5 12200 and 12300
2.10.5.1 InfiniBand Port LEDs
Each module IB port has a Green IB link status LED that provide the following
indications:
• On: the logical link is up (port is in the Active state).
• Off: the physical link is down (port is in the Down state).
2.10.5.2 Status
The status LED indicates one of the following conditions:
• Steady Green: the module is operating normally.
• Blinking Green: LED test state.
• Off: module is in the removable state.
2.10.5.3 Attention
The Attention LED indicates one of the following conditions:
• Off: the system functioning normally.
• Steady Amber: the system requires some attention, which could indicate one of
the following conditions:
— The switch temperature is at a warning level on the module.
— The switch silicon temperature is at a warning level (approximately 90 degrees
C).
— DC voltages on the board are slightly out of tolerance (12V Bulk, 5V, 3.3V and
1.8V are all monitored).
Figure 61. 12200 and 12300LEDs
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