Dataprobe T-APS Rack - Manual (Page 12)

Line Card - Setup Menu
Set Working Mode
Set T1/E1 Mode - Select T1 or E1.
Set Operation Mode
1+1 End to End or Single Ended Full T Service application. Data sent on both Active and
Protection Path. T-APS duplicates CPE Tx data on both lines and the better quality line is selected
at each end.
1:1 End to End Fractional T Service application. Data sent on Active Path. Protection Path used for
circuit performance and communication between T-APS units. Units use the same line at each
end.
Blind 1 Independent operation. T-APS communicates to remote site on unused path to monitor
circuit performance. Can be used with other APS type devices. Monitors for loss or degradation
of CO signals on Active line and transfers to Protection Path. Monitors status or Protection Path
from LOS only when the path not in use.
Blind 2 Independent operation. No communication between T-APS unit or equipment at
remote site. Can be used with other APS type devices. Monitors for loss or degradation of CO
signals on Active line and transfers to Protection Path. Does not monitor condition of
Protective Path when not in use.