Cisco Systems XR 12406 manual Link, Indicates link activity, Indicates the port is enabled

Chapter 3 Installing the Cisco XR 12406 Router

Manually Booting the System

PRP Interfaces Using the PRP LEDs

The PRP faceplate has eight device or port LED activity indicators (Figure 3-19). Each LED goes on when its corresponding PCMCIA slot is accessed. The ports are:

•Two PCMCIA slot activity LEDs labeled SLOT-0 and SLOT-1.

•Four RJ-45 Ethernet port activity LEDs. These LEDs are used by the RJ-45 Ethernet connectors. Each connector includes four LEDs that indicate link activity (LINK), port enabled (EN), data transmission (TX), and data reception (RX).

•Two Ethernet port-selection LEDs labeled PRIMARY. These two LEDs, when on, identify which of the two Ethernet connections is selected. Because both ports are supported on the PRP, the LED on port ETH0 is always on. The ETH1 LED goes on when it is selected.

Figure 3-19 PRP LEDs

ETH 0

-1 SLOT0 - SLOT

PRIMARY

	RX
EN	TX
LINK

ETH 1

PRIMARY

	RX
EN	TX
LINK

70693

LINK	Indicates link activity
EN	Indicates the port is enabled
TX	Indicates data transmission
RX	Indicates data reception

	Cisco XR 12406 Router Installation Guide
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