Dell PowerEdge M420 InfiniScale IV 16+16 Port 40Gb/s InfiniBand Switch for Del - Page 8

M3601Q 16+16 Port 40Gb/s InfiniBand Switch User Manual 8 Figure 2: Physical and Logical Link Indication LEDs LED Name Physical Link - Green Data Activity - Yellow Connection Status Off - No Physical Link ON - Physical Link Blinking - indicates Data Transfer Constant on - indicates Link exists with no Data Transfer taking place Off with green LED lit - indicates that the Subnet Manager may not be running 1.2 Switch Status Lights The switch Status lights indicate whether the switch is receiving power from the chassis, and the state of the switch. The IO Module is on and ready when both the blue and green LEDs are lit. Figure 3: Indicator LEDs This LED can be blue or amber. A fault is indicated when the amber LED is blinking. See Table 3. Table 3 - IOM states and LED configurations: LED Indication Green OFF Status OFF Switch Status OFF Blinking Blue ON OFF ON BLINKING BLUE Boot in Progress Switch not ready The CMC is identifying the newly installed switch ON ON BLUE Switch is on and operating Normally ON ON or BLINKING AMBER OFF ON or BLINKING AMBER Fault in System Self-diagnosed Fault in System CMC-detected Mellanox Technologies Rev 1.1