EXFO FTB-800 Series for FTB-1 - Manual (Page 214)

Test Setup - Test Configurator, Timer, and System
204 FTB-700G/800 Series
Signal - Signal Configuration (DSn/PDH)
Signal - Signal Configuration (DSn/PDH)
For SONET/SDH - DSn/PDH BERT, from the test menu, tap Setup,
Test Configurator, and the protocol block. Only Framing setting and the
Loopback button are available.
For DSn/PDH BERT and NI/CSU Emulation, from the test menu, tap Setup,
Test Configurator, and the interface block.
Framing
Framing allows the selection of the framing that will be used for
transmission.
Background
For multiplex test case, allows the selection of the default timeslot
background traffic: AIS (default) or All Zeros.
DS1 DS3 E1 E3/E4
Unframed
SF
ESF
a
SLC-96
a. Default value
Unframed
C-Bit Parity
a
M13
Unframed
PCM30
a
PCM30 CRC-4
PCM31
PCM31 CRC-4
Unframed
Framed
a