3Com DSA-3CV1001-02 service manual VCN AP is not

Using Front Panel LEDs to Solve Problems 71

Use the front panel LEDs to determine the VCN AP status after POST. Table 9 provides detailed information summarized in Table 10.

Table 9 Determining VCN AP status from the LED Indications after POST

State	Ethernet	Line	Power	Notes
OFF	OFF	OFF	OFF	VCN AP is not
				connected to a power
				source.
Power-on	ON if user	OFF if the line is	During	If the Power LED
	data cable is	not connected.	POST, the	remains orange after
	connected.	If the line is	LED is	30 seconds (POST),
	OFF if user	connected, it is	orange. If	the technician uses
		steady green for	the LED	the RS-232 LMI
	cable is not
		2 minutes after	remains	connector and
	connected.
		POST; After 2	orange after	terminal emulation to
		minutes it can	30 seconds,	view the VCN AP
		be steady green	the VCN AP	diagnostic messages
		if there is no	is faulty and	on his terminal screen.
		traffic, and	should be
		flashing green if	replaced.
		there is traffic.
		The above states
		are normal.
		If the LED is not
		steady green
		during the first 2
		minutes after
		POST, there is a
		communication
		problem.
		Any other
		appearance
		after the first 2
		minutes
		indicates the
		presence of a
		problem.
Voice Call	Not	NA	NA	Connection to power
	Applicable			is not needed to make
	(NA)			a voice call.
				An Ethernet
				connection is not
				required.