EXFO FTB-800 Series for FTB-1 - Manual (Page 209)

Test Setup - Test Configurator, Timer, and System
NetBlazer 199
Signal (Transport)
Physical Interface - Electrical
Note: The following settings are available with electrical signal and their
availability depend on the signal itself and its mapping. For optical
interface, see Physical Interface - Optical on page 198.

LBO (Line Build Out): The LBO allows to meet the interface
requirements over the full range of cable lengths.
Signal LBO
DS1 Preamplification values: DSX-1 (0-133 ft)
a
,
DSX-1 (133-266 ft), DSX-1 (266-399 ft),
DSX-1 (399-533 ft), DSX-1 (533-655 ft),
Cable simulation (CSU Emulation mode) values:
CSU (0.0 dB), CSU (-7.5 dB), CSU (-15.0 dB),
CSU (-22.5 dB).
a. Default value
DS3 0 to 225 ft range
a
, 225 to 450 ft range, and Cable
Simulation 900 ft.
E1/E3/E4 Not available
STS-1e/STM-0e 0 to 225 ft range
a
, 225 to 450 ft range, and Cable
Simulation 900 ft).
STS-3e/STM-1e 0 to 225 ft range.