Cisco 12404 Installation And Configuration Manual page 127

Starting the Router and Observing Initial Conditions
PRP Interfaces Using the PRP LEDs
Cisco 12404 Internet Router Installation and Configuration Guide
3-45
Figure 3-26 RP RJ-45 and MII Ports LEDs
LINK Indicates link activity
COLL Indicates collision detection
TX Indicates data transmission
RX Indicates data reception
The RJ-45 port LEDs on the PRP indicate:
System and PRP status.
•
Which Flash memory card slot is active.
•
Which Ethernet connection is in use.
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What is occurring on the Ethernet interface.
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A successful PRP boot is indicated by the alphanumeric LED displays.
The PRP faceplate (Figure
Each LED goes on when its corresponding PCMCIA slot is accessed.
2 PCMCIA slot activity LEDs labeled SLOT 0 and SLOT 1.
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4 RJ-45 Ethernet port activity LEDs. These LEDs are used by the RJ-45
•
Ethernet connectors. Each connector includes a set of 4 LEDs that indicate
link activity (LINK), port enabled (EN), data transmission (TX), and data
reception (RX).
Chapter 3 Installing the Cisco 12404 Internet Router
3-27) has 8 device or port LED activity indicators.
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