Multi-Tech Systems E1, MultiVOIPTM, MVP-2410, MVP-3010 manual 281

MultiVOIP User Guide Operation & Maintenance

T1 Statistics: Field Definitions

Field	Values	Description
Name
Red Alarm	Integer tally of	The alarm condition declared when a
	alarms	device receives no signal or cannot
	counted since	synchronize to the signal being received. A
	last reset.	Red Alarm is generated if the incoming
		data stream has no transitions for 176
		consecutive pulse positions.
Blue Alarm	Tally since last	Alarm signal consisting of all 1’s (including
	reset.	framing bit positions) which indicates
		disconnection or failure of attached equipment.
Loss of	Tally since last	Loss of data frame synchronization.
Frame	reset.
Alignment
Excessive	Tally since last	Displayed value will increment if
Zeroes	reset.	consecutive zeroes beyond a set threshold
		are detected. I.e., tally increments if more
		than 7 consecutive zeroes in the received
		data stream are detected under B8ZS line
		coding, or if 15 consecutive zeroes are
		detected under AMI line coding.
Status		Signaling has been frozen at the most
Freeze		recent values due to loss of frame
Signaling		alignment, loss of multiframe
Active		alignment or due to a receive slip.
Line		Line loopback deactivation signal has
Loopback		been detected in the receive bit stream.
Deactivation
Signal
Transmit		A short exists between the transmit pair for
Line Short		at least 32 consecutive pulses.
Transmit		For use by MTS Technical Support
Data		personnel.
Overflow
Transmit		The frequency of the transmit clock is less
Slip Positive		than the frequency of the transmit system
		interface working clock. A frame is
		repeated.

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