Row 2 – EXFO IQS-8100 Series Transport Blazer for IQS-600 User Manual
Page 197

OTN Tabs
SONET/SDH Application
183
ODU OH TX
Row 2
³
RES: The three Reserved (RES) bytes are configurable from 00 to FF.
The default value for each byte is 00.
³
PM&TCM: The Path Monitoring & Tandem Connection Monitoring is
configurable from 00 to FF. The default value is 00.
³
TCM ACT: The Tandem Connection Monitoring Activation is
configurable from 00 to FF. The default value is 00.
³
TCM6/TCM5/TCM4 (Row 2) and TCM3/TCM2/TCM1 (Row 3): The
Tandem Connection Monitoring overhead contains the following bytes.
The first TCMi byte contains the TTI multiframe byte and is only
configurable from ODU TTI/FTFL TX on page 186.
The second TCMi byte contains the BIP-8 byte and is automatically
generated for each frame. This byte is not configurable.
The third TCMi byte contains the following sub-fields. This byte is
configurable from 00 to FF. The default value is 00 when TCMi is
disabled, and 01 when enabled.
³
FTFL: The Fault Type Fault Location multiframe byte is only
configurable from ODU TTI/FTFL TX on page 186.
Sub-field
Bit
BEI/BIAE
1-4
BDI
5
STAT
6-8