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Setting Alarms and Inserting Errors
3–134
CTS 710 SONET Test Set User Manual
Table 3–11: Maximum Error Rates for SONET Signals
Error Type
Rate:
Structure
Section B1
BIP
Line B2
BIP
Path B3
BIP
Path FEBE Pattern Bit
STS-1/OC-1:
1 X STS-1
1E–3 1E–3 1E–3 1E–3 1E–3
STS-3/OC-3:
3 X STS-1
1E–4 1E–4 1E–3 1E–3 1E–3
STS-3/OC-3:
1 X STS-3c
1E–4 1E–4 1E–4 1E–4 1E–3
OC-12:
12 X STS-1
1E–5 1E–4 1E–3 1E–3 1E–3
OC-12:
4 X STS-3c
1E–5 1E–4 1E–4 1E–4 1E–3
Table 3–12: Maximum Error Rates for Tributary Signals
DS1 DS3
Error Type
Maximum
Rate
Minimum
Rate
Maximum
Rate
Minimum
Rate
VT BIP 1E–3 1E–10 N/A N/A
VT FEBE 1E–4 1E–10 N/A N/A
Parity N/A N/A 1E–4 1E–9
CRC 1E–4 1E–8 N/A N/A
Frame 1E–2 1E–5 1E–2 1E–7
Data 1E–2 1E–8 1E–2 1E–9
Setting Alarms and Inserting Errors
3–134
CTS 710 SONET Test Set User Manual
Table 3–11: Maximum Error Rates for SONET Signals
Error Type
Rate:
Structure
Section B1
BIP
Line B2
BIP
Path B3
BIP
Path FEBE Pattern Bit
STS-1/OC-1:
1 X STS-1
1E–3 1E–3 1E–3 1E–3 1E–3
STS-3/OC-3:
3 X STS-1
1E–4 1E–4 1E–3 1E–3 1E–3
STS-3/OC-3:
1 X STS-3c
1E–4 1E–4 1E–4 1E–4 1E–3
OC-12:
12 X STS-1
1E–5 1E–4 1E–3 1E–3 1E–3
OC-12:
4 X STS-3c
1E–5 1E–4 1E–4 1E–4 1E–3
Table 3–12: Maximum Error Rates for Tributary Signals
DS1 DS3
Error Type
Maximum
Rate
Minimum
Rate
Maximum
Rate
Minimum
Rate
VT BIP 1E–3 1E–10 N/A N/A
VT FEBE 1E–4 1E–10 N/A N/A
Parity N/A N/A 1E–4 1E–9
CRC 1E–4 1E–8 N/A N/A
Frame 1E–2 1E–5 1E–2 1E–7
Data 1E–2 1E–8 1E–2 1E–9