The Current Counts screen displays:
Error Counts (number of errors detected)
Clear Counts (number of times an error cleared the alarm threshold)
Errors are tracked for:
LOS - Loss of Signal indicates an input signal error.
AIS - Alarm Indication Signaling is a code transmitted downstream in a digital network that shows that an upstream failure has been detected and alarmed.
OOF - Out Of Frame occurs when the framer chip cannot determine framing.
BPV - Bipolar Violation is the presence of two consecutive "one" bits of the same polarity on the T carrier line.
CRC - Cyclic Redundancy Checking is a process used to check the integrity of a block of data.
Buttons include:
Refresh Counts - Click to update the screen. Otherwise, the screen refreshes every 30 seconds.
Show Status - Click to display the Module Status screen.