Lucent Technologies 9077 04S SP Switch Router Adapter card LEDs, LED activity during boot, Off

Introduction to the SP Switch Router Adapter card

SP Switch Router Adapter card LEDs

SP Switch Router Adapter card LEDs

The “RX” and “TX” LEDs are under software control and indicate port states on receive and transmit sides. The “MD” and “SW” LEDs are hardware-controlled and reflect data activity on the SP Switch Router switch core or interface side of receive and transmit ports.

“Top” end of card

PWR ON 3V RX HB RX ST0 RX ST1 RX ERR MD RCV SW XMIT

“Bottom” end of card

TX HB TX ST0 TX ST1 TX ERR MD XMIT SW RCV

Figure 1-4. LEDs on the SP Switch Router Adapter card

LED activity during boot

During boot and resets, the four software-controlled LEDs indicate different media card activities by flashing in specific patterns. Refer to Table 1-1 for a description of each pattern.

Table 1-1. SP Switch Router Adapter card LED activity during boot and reset

LED	Description
	•	ON	At reset, all LEDs are lit for 1/2 second
• RX HB (green)	•	ON	as part of on-board diagnostics.
	• ON		Also tests that LEDs are working.
• RX ST0 (green)
	• ON
• RX ST1 (amber)
	•	OFF	ERROR	-	During a boot or reset, this pattern indicates
• RX ERR (amber)
	• OFF				a checksum error is detected in
	• OFF				flash memory.
	• ON
	•	ON	ERROR	-	During a boot or reset, this pattern indicates
	• OFF				that the SRAM fails the memory test.
	• ON
	• OFF
	• ON -> OFF			- During loading, HB and RX ST1 flash
	•	OFF			as each section of the code loads.
	• OFF
	• ON -> OFF

SP Switch Router Adapter Guide - 1.4 Update 2 1-9