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Appendix D: Specifications
CTS 710 SONET Test Set User Manual
D–11
Table D–2: Option 22 DS1/DS3/VT1.5 Capabilities (Cont.)
Characteristic Description
Error Rate Range 1 × 10
–2
to 1 × 10
–8
with 0.1 resolution
1
Alarms and Failures DS1: Yellow
AIS
DS3: Yellow
AIS (DS3 blue)
Idle
VT1.5/DS3 Mapping
VT1.5 Map Signal Source Internal DS1 Generator
Received DS1 signal
VT1.5 Mapping Floating Asynch
VT1.5 Active Map Channel Selection Allows selection of any one of 28 VT channels
Remaining 27 VT channels are background
VT1.5 Background Channels
Background Channel Content When internal DS1 generator is used:
QRSS or Idle pattern (11010101)
When external source is used: QRSS
Background Channel Framing When internal DS1 generator is used: Same as
active channel
When external source is used: Unframed
VT1.5 Errors
(Signal or Continuous)
VT BIP-2
VT FEBE
VT1.5 Alarms and Failures VT AIS
VT FERF
VT Loss of Pointer
VT Loss of Multiframe
DS3 SPE Add Source Internal DS3 Generator
Received DS3 signal
Transmitter Clock
Internal Clock
Accuracy ±4.6 ppm, for instrument calibrated within 24
months
1
Depends on error type.
Appendix D: Specifications
CTS 710 SONET Test Set User Manual
D–11
Table D–2: Option 22 DS1/DS3/VT1.5 Capabilities (Cont.)
Characteristic Description
Error Rate Range 1 × 10
–2
to 1 × 10
–8
with 0.1 resolution
1
Alarms and Failures DS1: Yellow
AIS
DS3: Yellow
AIS (DS3 blue)
Idle
VT1.5/DS3 Mapping
VT1.5 Map Signal Source Internal DS1 Generator
Received DS1 signal
VT1.5 Mapping Floating Asynch
VT1.5 Active Map Channel Selection Allows selection of any one of 28 VT channels
Remaining 27 VT channels are background
VT1.5 Background Channels
Background Channel Content When internal DS1 generator is used:
QRSS or Idle pattern (11010101)
When external source is used: QRSS
Background Channel Framing When internal DS1 generator is used: Same as
active channel
When external source is used: Unframed
VT1.5 Errors
(Signal or Continuous)
VT BIP-2
VT FEBE
VT1.5 Alarms and Failures VT AIS
VT FERF
VT Loss of Pointer
VT Loss of Multiframe
DS3 SPE Add Source Internal DS3 Generator
Received DS3 signal
Transmitter Clock
Internal Clock
Accuracy ±4.6 ppm, for instrument calibrated within 24
months
1
Depends on error type.