EXFO FTB-800 Series for FTB-1 - Manual (Page 213)

Test Setup - Test Configurator, Timer, and System
NetBlazer 203
Signal (Transport)

Max. Positive Offset (ppm) indicates the maximum positive
frequency offset between the standard rate specification and the rate
from the received signal.
Note: Refer to Interface on page 261 for more information on standard rate
specifications.
Signal Configuration

For OTN, refer to Signal - Signal Configuration (OTN) on page 212 for
more information.

For SONET/SDH, refer to Signal - Signal Configuration (SONET/SDH) on
page 214 for more information.

For DSn/PDH, refer to Signal - Signal Configuration (DSn/PDH) on
page 204 for more information.