6
Hardware Overview
Test Ports (Top Panel)
USB and Power Ports (Side Panel)
OPM
OTDR OLS
VFL
15V
Red colored bar indicates
the VFL test port
White colored bar
indicates the OTDR/
OLS test port
Power port - This is the interface for the AC power adapter/charger.
AC/Charger indicator - When ON, indicates that an AC adapter is
connected to the OFL250 OTDR.
Red light - rechargeable battery is charging.
Green light - rechargeable battery is fully charged.
MINI-USB type B port - Allows connection to a PC for transferring
stored test results.
OTDR/OLS port
This is a CLASS I LASER output
VFL port - This is a CLASS II LASER output.
Do not stare into beam!
This port is a VFL module, 650 nm Visible Fault
Locator (red laser).
OPM port
Blue colored bar
indicates the OPM test
port