1-4
IM AQ7280-01EN
Light Source Feature
• Stabilized Light Source (/SLS option)
This is used as a light source for measuring optical loss or as a light source for optical fiber
identification. The measurement light (CW, CHOP) is emitted from the OTDR port of the OTDR
unit.
*
The wavelength of the measurement light is the same as that of the optical pulse of the
relevant OTDR unit.
* AQ7282M is supported on firmware version 2.01 and later.
• Visible Light Source (VLS module, OPM module with a VLS function)
This is used to view the fault locations or check the cores of multi-core optical fiber cables. A 650
nm visible light (CW, CHOP (2 Hz)) is emitted from the optical output port of the VLS module or
that of the OPM module with a visible light source.
Optical Power Meter Feature
• Optical Power Meter (OPM module)
This is used as an optical power meter for measuring optical loss or for measuring the power of
communication light. It measures the power of the light entering the optical input port of the OPM
module. By logging and graphing the fluctuation in the optical power value, you can view the
fluctuation in the optical power and loss.
• Power Checker (/PC option)
The OTDR port
*
of the OTDR unit (except AQ7282M) is equipped with an optical power checker
feature (/PC option) that enables you to check the presence of communication light (fiber in use)
within the optical fiber cable under measurement and view its power value.
* Not applicable to the port 2 of AQ7283E and AQ7283F.
USB Feature
• USB Storage Medium Connection (Type A)
USB storage media complying with USB1.0/1.1/2.0 can be used. Up to two media can be
connected.
You can save waveform data and measurement conditions to them.
• Fiber Inspection Probe Connection (Type A)
A fiber inspection probe specified by Yokogawa can be used to view stains on the optical fiber
cable end face on the AQ7280 screen. To use this feature, start Fiber Inspection Probe from the
top menu. The fiber inspection probe is not included with the AQ7280. Please purchase your own
fiber inspection probe. For information about compatible fiber inspection probes, contact your
nearest YOKOGAWA dealer.
• PC Connection (Type B mini)
You can connect a PC to the AQ7280 and control it using communication commands. For details,
see the communication interface user’s manual, IM AQ7280-17EN.
ETHERNET Feature (/LAN option)
You can connect a PC to the AQ7280 and control it using communication commands. For details, see
the communication interface user’s manual, IM AQ7280-17EN.
SD Card
You can use SD cards. Only one SD card can be inserted at any given time. You can save waveform
data and measurement conditions to them. SD cards are not included with the AQ7280. Please use
your own SD cards. For information about compatible SD cards, contact your nearest YOKOGAWA
dealer.
1.1 Overview