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Verify the Front Panel LED Indications
The indicator LEDs described in Table 5 provide power, activity, and status information:
Verify the Hardware Configuration
To display and verify the hardware features, enter the following commands:
• show version—Displays the system hardware version; the installed software version; the names and sources of configuration
files; the boot images; and the amount of installed DRAM, NVRAM, and flash memory.
• show diag—Lists and displays diagnostic information about the installed controllers, interface processors, and port
adapters. Typical examples are network modules, interface cards (VICs, WICs, HWICs), and advanced integration modules
(AIMs).
7 Interface Numbering
Table 6 summarizes the interface numbering on a Cisco 2801 series router. Table 7 summarizes the interface numbering on Cisco
2811, Cisco 2821, and Cisco 2851 series routers.
Note The interface numbering on Cisco 2800 series routers is different from the numbering on Cisco 2600 series routers.
Note On the Cisco 2801 router, the numbering format for slots is interface type 0/slot/port. “0” indicates slots that are built
into the chassis of a router. On the Cisco 2801 router, all slots begin with “0,” because all slots are built into the chassis.
Note that this is different from the Cisco 2811, Cisco 2821, and Cisco 2851 routers. On these routers, some slots are
built into the chassis and have slot numbers that begin with “0.” However, it is possible to have other slots that are
part of a network module or an extension voice module. Those slots have slot numbers that begin with “1” or “2,”
respectively.
Table 5 LED Indicators on Front Panel
LED Label LED Color or State Meaning
SYS
PWR
Solid green System is operating normally.
Blinking green System is booting or is in ROM monitor mode.
Amber System error.
Off Power is off.
AUX/
PWR
Green IP phone power is operating normally (if installed)
or
Cisco Redundant Power System (RPS) is operating normally (if installed).
Amber IP phone power fault (if installed)
or
Cisco Redundant Power System (RPS) fault (if installed).
Off IP phone power and Cisco RPS are not installed.
SYS
ACT
Blinking green or solid green Packet transfers are occurring.
Off No packet transfers are occurring.
CF Green CompactFlash memory is being accessed; do not eject.
Off CompactFlash memory is not being accessed; OK to eject.