Cisco Gigabit Switch Router 12008 Installation And Configuration Manual page 190

Starting the System and Observing Initial Conditions
Step 4
Figure 4-2
4-6
Cisco 12008 Gigabit Switch Router Installation and Configuration Guide
During the line card boot process, which occurs immediately following that of
the RP, observe the alphanumeric LEDs on each line card.
The alphanumeric LEDs on a line card are also located at the bottom of the line
card faceplate (see Figure 4-2).
Line Card Alphanumeric Displays (Partial View Shown)
Upper alphanumeric
LED display (four digits)
Lower alphanumeric
LED display (four digits)
Table 4-2 shows typical contents of these line card alphanumeric LEDs. The
LED display sequence shown in this table might occur too quickly to be seen;
this sequence is provided to show the order of initialization and how the line
cards function at startup.