Installation manual

Configuring the Triton T1/PRI Board
162 AltiWare OE System Installation & Administration Manual
Reading the Statistics
The Statistics is an informational display of accumulated statistics
(counters) for the 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.
• 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.
• Line Code Errors - Line Code Error is defined as an occurrence of a
bi-polar variation or excessive zeroes.
• Bit Errors - Bit Errors are defined as a CRC-6 error in ESF, FT-bit
error in SLC-96 and F-bit or sync bit error in SF.
Setup Failure - RED
ALARM (LCV)
LCV = Line Code Vio-
lation
Check the MVIP bus
master setting.
OR
Have CO perform a line
test to check for a faulty
cable or line.
Setup Failure - RED
ALARM (OOF)
OOF = Out of Frame.
Excessive frame errors.
Check the MVIP bus
master setting.
OR
Have CO perform a line
test to check for a faulty
cable or line.
Clock Sync Failure -
FRAME SLIPS’
Conflict between trans-
mit and receive clocks.
The MVIP bus master-
ship is set improperly.
Check MVIP bus mas-
ter setting.
Table 1: Span Status Error Messages
Error Message Meaning Action