Dell PowerVault 56F Dell PowerVault 56F 16-Port Fibre Channel Switch Inst - Page 101
Preliminary POST diagnostics.
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No light showing Steady power LED Flashing power LED Power not applied. Normal power-on indicator. Switch failed POST and is not functioning, although power is applied. The color and flash speed of each port's LED, as described in Table 5-2, indicates the individual port's status. No light showing Steady yellow Slow yellow Fast yellow Steady green Slow green Fast green Flickering green No light or signal carrier (no module, no cable) for media interface LEDs Receiving light or signal carrier, but not yet online Disabled (result of diagnostics or portDisable command); flashes every 2 seconds Error, fault with port; flashes every 1/2 second Online (connected with device over cable) Flashes every 2 seconds; interswitch link; the port is physically online, but the fabric remains segmented due to an incompatable switch or switch firmware Internal loopback (diagnostic); flashes every 1/2 second Online and frames flowing through port At power-on or reset, the following steps are executed: 1. Preliminary POST diagnostics. 2. VxWorks operating system initialization. 3. Hardware initialization (resets, internal addresses assigned to G_Port and FL_Port ASICs, serial port initialized, front panel initialized). 4. Full POST. 5. Universal port configuration. 6. Link initialization; receiver/transmitter negotiation to bring connected ports online. support.dell.com Troubleshooting 5-3
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