Chapter 7 Test Results
E1 Results
SmartClass E1 Tester User’s Guide 81
Frame Data results
The Frame Data category lists results related to framing. Table 13 describes
the results that appear in the Frame Data category.
Timeslot results
The timeslot category lists the current bits, and signaling bits where applicable,
for each timeslot.
BERT results
The BERT category lists results related to the bit error rate test pattern.
Table 14 describes the results that appear in the BERT category.
MFAS Word Error Rate Ratio of errored MFAS words to the total number of
frames received
MFAS Sync Losses Number of times MFAS Sync was lost
Table 12 Interface test results (Continued)
Result Description
Table 13 Frame Data results
Result Description
FAS Word The current Frame Alignment Signal word
NFAS Word The current Non Frame Alignment Signal word
MFAS Word The current Multi Frame Alignment Signal word
NMFAS Word The current Non Multi Frame Alignment Signal word
Si Bit The current Si Bit setting
A Bit The current A Bit setting
Sa 4 The value of the Sa 4 bit over the previous 8 received
frames
Sa 5 The value of the Sa 5 bit over the previous 8 received
frames
Sa 6 The value of the Sa 6 bit over the previous 8 received
frames
Sa 7 The value of the Sa 7 bit over the previous 8 received
frames
Sa 8 The value of the Sa 8 bit over the previous 8 received
frames
Table 14 Test (BERT) results
Result Description
TSE Test Sequence Error (bit error)
Bit Error Rate Ratio of bit errors (TSEs) to received pattern data bits
Block Errors Number of blocks containing one or more errored bits.
Pattern Slips Number of pattern slips detected since start of test
(PRBS patterns only)
Pattern Slip Seconds Number of seconds during which one or more pattern
slips occurred after initial pattern synchronization.
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