CANOGA PERKINS 2345 T3 Fiber Optic Modem - Manual (Page 30)

EdgeAccess Universal Chassis System
Model 2345 User Manual 3-14
• One screen shows G.826 statistics.
• Errored Blocks:
Blocks of data with one or more bit errors
• Errored Seconds:
Number of one-second periods with any errored blocks; includes all Sev Errored Sec
• Sev Errored Secs: Severely Errored Seconds
Number of one-second periods with 30% or more errored blocks
• Bgd Blk Errors: Background Block Errors
Number of errored blocks that were not within a Sev Errored Sec
• Errored Sec Ratio: Errored Seconds Ratio
Percentage of total seconds that were errored seconds; includes all Sev Errored Sec
• Sev Err Sec Ratio: Severely Errored Seconds Ratio
Percentage of total seconds that were severely errored blocks
• Bgd Blk Err Ratio: Background Block Error Ratio
Percentage of total seconds that contained errored blocks that were not within a Sev
Errored Sec
To view the transmission statistics, follow these steps:
1. At the Main Menu, type 3 , "Performance Monitoring," and press <Enter>.
2. At the Performance Monitoring screen, press <Space> to cycle through the Current, 24 Hour, and
G.826 Statistics. To reset all counters, press <Tab>.
3. To return to the Main Menu, press <Esc>.
Monitor Modem Performance
The 2345 provides one screen that monitors both local and remote modems for these errors:
• Composite LOS Errors: Shows loss of signal if running in unframed mode; if running in framed
mode, check SQL Rxx
• Electrical LOS Errors: Shows loss of signal if running in unframed mode or shows loss of synch
if running in framed mode
• Electrical Yellow Errors: Loss of frame received
• Electrical Blue Errors: Alarm Indication Signal (AIS) received
• Electrical Red Errors: Loss of frame error
• SQL Rx1 and Rx2 Errors: Signal error generated by the optics; use this when running in
unframed mode
• Optical Xmit Errors: Faulty optical signal transmitted by this modem
To view the modem performance, follow these steps:
1. At the Main Menu, type 4 , "Link Error Counters," and press <Enter>.
2. At the Link Error Counters screen, press <Tab> to reset all counters, press <Tab>.
3. To return to the Main Menu, press <Esc>.