EXFO FTB-880 - Page 254

Test Setup - Test Configurator, Timer, and System
242 FTB-700G/800 Series
Signal (Transport)
 Lasers OFF at Start-Up check box when selected automatically turns
OFF the laser when starting the NetBlazer or when switching from one
test application to another. However the laser remains ON, on a remote
module receiving a request for a DTS connection or a loopback
command. This check box is cleared by default.
 Power Range (dBm) indicates the SFP/SFP+ operational RX power
range.
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 241.
 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.