Cisco Systems 12000 series specifications Status LEDs, Alphanumeric LEDs, State Description

Verifying and Troubleshooting Line Card Installation

Status LEDs

Each 4-port ISE ATM line card provides the following two types of LEDs (see Figure 5) for monitoring the operating status of the line card:

•Status LEDs – 3 lines grouped next to each port on the line card:

–Active

–Carrier

–RX Cell

•Display (alphanumeric) LEDs – 2 lines, 4-digit alphanumeric (see the “Alphanumeric LEDs” section on page 27).

The status LEDs are described in Table 10.

Table 10	Status LEDs
LED		State	Description
Active		On	Interface is configured/active.
		Off	Interface is inactive.
RX Cell		On	Cell received.
		Off	No incoming cells.
Carrier		On	SONET framer has detected an inframe condition that has
			persisted for a minimum of 3 msec.
		Blink	Remote line RDI received.
		Off	LOS, LOF, or LAIS detected.

The RX Cell LED flashes when data is being received.

The status LEDs on the line card might not go on until you configure the line card interfaces (or turned them on if they were shut down). To verify correct operation of each interface, complete the configuration procedures for the line card (see the “Configuring and Troubleshooting Interfaces” section on page 32).

Alphanumeric LEDs

ATM line cards have two four-digit alphanumeric LED displays at one end of the faceplate, near the ejector lever, that display a sequence of messages indicating the state of the card. In general, the LEDs do not turn on until the RP recognizes and powers up the card. As it boots, the line card displays a sequence of messages similar to those in Table 11.

Note It is normal for some displayed messages to appear too briefly to be read. Also, some messages listed in Table 11 and Table 12 may not appear on your line card.

ATM Line Card Installation and Configuration

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