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Appendix D: Specifications
CTS 710 SONET Test Set User Manual
D–13
Table D–2: Option 22 DS1/DS3/VT1.5 Capabilities (Cont.)
Characteristic Description
DS1/DS3 Internal Pattern Receiver
Pattern Receiver Source DS1: Rx Signal (ext)
VT1.5 Drop
DS3: Rx Signal (ext)
SONET SPE Drop
Framing DS1: SF(D4)
ESF
Unframed
DS3: M13
C-bit Parity
Unframed
Demultiplexing
Demux DS3 to DS1 Allows selection of any one of 28 DS1 channels
from a DS3
VT1.5/DS3 Demapping
VT1.5 Demapping Floating Async
VT1.5 Active Demap Channel
Selection
Allows selection of any one of 28 VT channels
Drop VT1.5 to Internal DS1 Receiver
External DS1 signal output
Drop DS3 from Selected STS-1 Channel
Drop DS3 to Internal DS3 Receiver
External DS3 signal output
VT Path Overhead
VT1.5 Path Overhead Access V5 control (–––xxxx–)
Set VT Path Overhead bytes to any value from
binary 00000000 to 11111111:
Z3, Z4, and Z5
View all Path Overhead bytes
VT1.5 Path Trace Byte J2 Send user-defined 16-byte sequence, or set to
00000000
View Path Trace J2
Appendix D: Specifications
CTS 710 SONET Test Set User Manual
D–13
Table D–2: Option 22 DS1/DS3/VT1.5 Capabilities (Cont.)
Characteristic Description
DS1/DS3 Internal Pattern Receiver
Pattern Receiver Source DS1: Rx Signal (ext)
VT1.5 Drop
DS3: Rx Signal (ext)
SONET SPE Drop
Framing DS1: SF(D4)
ESF
Unframed
DS3: M13
C-bit Parity
Unframed
Demultiplexing
Demux DS3 to DS1 Allows selection of any one of 28 DS1 channels
from a DS3
VT1.5/DS3 Demapping
VT1.5 Demapping Floating Async
VT1.5 Active Demap Channel
Selection
Allows selection of any one of 28 VT channels
Drop VT1.5 to Internal DS1 Receiver
External DS1 signal output
Drop DS3 from Selected STS-1 Channel
Drop DS3 to Internal DS3 Receiver
External DS3 signal output
VT Path Overhead
VT1.5 Path Overhead Access V5 control (–––xxxx–)
Set VT Path Overhead bytes to any value from
binary 00000000 to 11111111:
Z3, Z4, and Z5
View all Path Overhead bytes
VT1.5 Path Trace Byte J2 Send user-defined 16-byte sequence, or set to
00000000
View Path Trace J2