Cisco Systems 12010, 12810, 12410 manual LED Display Meaning Source, Pri

Chapter 4 System Startup and Basic System Configuration

Powering On the Router and Observing the Boot Process

Table 4-1 RP Alphanumeric LED Display Sequence Examples (continued)

LED Display1	Meaning	Source
PRI	The RP is enabled and is recognized as the system primary RP. A valid	RP Cisco IOS
RP	Cisco IOS image is running.	software
SEC	The RP is enabled and is recognized as the system secondary RP. A	RP Cisco IOS
RP	valid Cisco IOS image is running.	software

1.Some LED sequences may occur too quickly to view.

2.The version of MBus microcode running on your system might be different.

Step 5 Observe the status of the RP interfaces (see Figure 4-2for the GRP and Figure 4-3for the PRP).

The LEDs on the RP show system status, the active flash memory card slot, the Ethernet connection in use, and the status of the Ethernet interface.

•PCMCIA flash memory card slot LEDs (labeled Slot-0 and Slot-1) are on when the slot is accessed.

•PRP—RJ-45 Ethernet port LEDs show the port activity:

–LINK: Link activity

–EN: port enabled

–TX: data transmission

–RX: data reception

•GRP—RJ-45 and MII Ethernet LEDs identify which of the two Ethernet connections is selected (only one port can be operational at a time). RJ-45 LEDs show port activity.

–LINK: Link activity

–COLL: Collision detection

–TX: data transmission

–RX: data reception

	Cisco 12010, Cisco 12410, and Cisco 12810 Router Installation and Configuration Guide
4-6	OL-11496-01