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Setting SDHSONET Transmit Parameters
CTS 710 SONET Test Set User Manual
3–81
Table 3–7: Choices for Bits 5, 6, and 7 of the V5 Byte
Choice
Unequip (000)
Equipped (001)
Async (010)
Bit–Sync (011)
Byte–Sync (100)
Reserved (101)
TSS4 (110)
VT–AIS
Bytes You Cannot Edit
Certain bytes in the transport overhead and path overhead cannot be
edited in the TRANSPORT OVERHEAD or PATH OVERHEAD
pages. These uneditable bytes have calculated values that are based
on the payload and signal structure (see Table 3–8).
Table 3–8: Overhead Bytes That Cannot Be Edited
Overhead Byte Function
B1 Section level parity byte
B2 Line level parity byte
B3 Path level parity byte
G1 Path status
H1, H2, H3 Identify location of payload
H4 Multiframe indicator
Setting SDHSONET Transmit Parameters
CTS 710 SONET Test Set User Manual
3–81
Table 3–7: Choices for Bits 5, 6, and 7 of the V5 Byte
Choice
Unequip (000)
Equipped (001)
Async (010)
Bit–Sync (011)
Byte–Sync (100)
Reserved (101)
TSS4 (110)
VT–AIS
Bytes You Cannot Edit
Certain bytes in the transport overhead and path overhead cannot be
edited in the TRANSPORT OVERHEAD or PATH OVERHEAD
pages. These uneditable bytes have calculated values that are based
on the payload and signal structure (see Table 3–8).
Table 3–8: Overhead Bytes That Cannot Be Edited
Overhead Byte Function
B1 Section level parity byte
B2 Line level parity byte
B3 Path level parity byte
G1 Path status
H1, H2, H3 Identify location of payload
H4 Multiframe indicator