EXFO FTB-8100 Series Transport Blazer for FTB-500 - Manual (Page 348)

SDH Tabs
334 FTB-8100 Series Transport Blazer
Multiplex Section APS/Advanced OH TX/RX (SDH)
S1
³
Overwrite: The Overwrite check box when selected, allows the
generation of the selected S1 bits. Overwrite is available with
SONET/SDH Intrusive mode only.
³
Bits 1-4: Bits 1 through 4 of the S1 byte are currently undefined but can
be set from 0000 to 1111 if required.
³
Bits 5-8 (Synchronization Status Message): Bits 5 through 8 of the S1
byte are used to convey synchronization status of the NE. The default
setting is Synchronized - Traceability Unknown (0000). Choices are:
Bits
5 to 8
Description
Bits
5 to 8
Description
0000 Quality Unknown 1000 SSU-B
0001 Reserved 1001 Reserved
0010 ITU G.811 (PRC) 1010 Reserved
0011 Reserved 1011 ITU-T G.813 Option I (SEC)
0100 SSU-A 1100 Reserved
0101 Reserved 1101 Reserved
0110 Reserved 1110 Reserved
0111 Reserved 1111 Do not use for synchronization