12000 Series Switches
True Scale Fabric Switches 12000 Series Hardware
Installation Guide July 2015
62 Order Number: G91928004US
• Any power supply DC OK LED is off
• Any spine module Attention LED is on, or it has been determined that a spine is not
functioning (even if it is unable to turn on the LED).
• Any leaf module Attention LED is on, or it has been determined that a leaf is not
functioning (even if it is unable to turn on the LED).
The chassis status LED is Amber when the system can no longer function properly and
indicates one of the following conditions:
• No functional fan trays are present.
• No functional spines are present.
• No functional leaves are present.
The chassis status LED is off when:
• There are no functional power supplies present.
• There are no management cards in the system
• AC power has been removed from the system.
2.10.1.4 Fault Tolerant
The Chassis Fault Tolerant (FT) LED indicates the following condition:
• Steady Green: the chassis is populated with a full complement of fans as well as
N+1 power.
2.10.1.5 Service Required
The chassis service required (SVC) LED is not currently implemented.
2.10.1.6 Master
The Master LED is Green when module is acting as the master Management Module
(i.e., it is the master MM).
2.10.1.7 MRL Active
The mechanical release latch (MRL) Active LED is Green when the MRL thumbscrew is
secured to the serial, Ethernet, chassis EEPROM board (SEEB).
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