AltiGen comm ACM 5.1 manual Reading the Statistics, Error Meaning

		Chapter 11: Board Configuration
Error Message	Meaning	Action
L1 failure: <Remote	Layer 1 failure, CO	Correct the settings.
Alarm Indication	notifies that the
(RAI)>	configuration is wrong;
	RAI = Remote Alarm
	Indicator
L1 failure: <No Sync	Layer 1 failure, physical	Possible span mis-
Frames	layer; no valid framing is	configuration (ESF is
	detected.	selected but the actual
		framing is SF, or vice
		versa). Check span
		configuration.
L1 failure: <Red	Layer 1 failure, physical	Location condition,
Alarm>	layer; Bi-Polar Violations	equipment problem.
	(BPV), Line Code	- For excessive BPV/
	Violations (LCV), or Out
		LCV, check AMI/B8ZS
	Of Frame detected
		setting.
		- For OOF, check the
		MVIP bus master
		setting.
		OR
		Have CO perform a line
		test to check for a faulty
		cable or line.
[PRI only]	Layer 2 failure, data link	Check if D-channel is
L2 Failure: <No Sync	layer; no sync flag has	active or not
	been detected in data
Flag>
	link layer
[PRI only]	Layer 2 failure, data link	CO must activate HDLC
L2 Failure: <Not	layer; the peer-to-peer	link
	link has not established
established>
	in data link layer

Reading the Statistics

The Statistics panel displays the number of errors that have occurred since the last system reboot or statistics clearing. There may be non-zero values when configuring the T1 span for the first time. You can clear these fields with the Clear button.

Error	Meaning
Frame Errors	Number of framing bit errors. In T1 mode, a framing bit
	error is defined as an incorrect FS-bit value. The counter is
	suppressed when framer loses frame alignment
OOF Errors	The Out Of Frame counter registers every time the T1 chip
	is forced to re-frame when receiving a frame with severe
	errors.
Rec Frame Slips	The Receiver Frame Slips counter shows the number of
	frame slips for the receiver.

AltiWare ACM 5.1 Administration Manual 131