EXFO FTB-800 Series for FTB-1 - Manual (Page 223)

Test Setup - Test Configurator, Timer, and System
NetBlazer 213
Signal - Signal Configuration (OTN)

ODU2, ODU2f, ODU1f, ODU2e, ODU1e, or ODU1

OPU Tributary Port, available for each OPU level of a mapped
signal, indicates the OPU tributary port used for the test. Tap the
Modify Trib Slots/Port button to change the OPU tributary port.

OPU Tributary Slots, available for each OPU level of a mapped
signal, indicates the OPU tributary slots used for the test. Tap the
Modify Trib Slots/Port button to change the OPU tributary slots.

TCM indicates each Tandem Connection enabled; No TCM
indicates that no TCM is enabled. To enable TCM, tap the
Config TCM button.

Config TCM
Allows to enable each TCM level (1 to 6) individually. All ODUx of a
mapped signal are also available. All TCM check boxes are cleared by
default (disabled). Refer to Traces (OTN) on page 236 for more
information.