EXFO FTB/IQS-85100G Packet Blazer for FTB-500/IQS-600 - Manual (Page 152)

Test Setup - Test Configurator, Timer, and System
142 FTB/IQS-85100G
Signal - Signal Configuration (SONET/SDH)
Signal - Signal Configuration (SONET/SDH)
For OTN-SONET/SDH BERT, from the Test menu, tap Setup, Test
Configurator, the protocol block, and the Signal tab.
For SONET/SDH BERT, from the Test menu, tap Setup, Test Configurator,
the interface block, and the Signal tab.
OC/STM Signal

Synchronization Status Message (S1): Bits 5 through 8 of the S1 byte
are used to convey synchronization status of the NE.
Bits
5 to 8
Description
SONET SDH
0000
a
a. Default message.
Synchronized - Traceability Unknown (STU) Quality Unknown
0001 Stratum 1 Traceable (ST1) Reserved
0010 Reserved ITU G.811 (PRC)
0011 Reserved Reserved
0100 Transit Node Clock Traceable (TNC) SSU-A
0101 Reserved Reserved
0110 Reserved Reserved
0111 Stratum 2 Traceable (ST2) Reserved
1000 Reserved SSU-B
1001 Reserved Reserved
1010 Stratum 3 Traceable (ST3) Reserved
1011 Reserved ITU-T G.813 Option I (SEC)
1100 SONET Minimum Clock Traceable (SMC) Reserved
1101 Stratum 3E Traceable (ST3E) Reserved
1110 Provisionable by the Network Operator (PNO) Reserved
1111 Don’t Use for Synchronization (DUS) Do not use for synchronization