VeEX FX150, User Manual

Page: 59 / 128

OTDR Series e-Manual, RevE00 Page 59 of 128
6.11 Optical Power Meter (OPM)
The unit can be equipped with an optionally built-in Optical Power Meter (OPM). It can also
access an external Optical Power Meter using the Micro-USB port. It works by testing average
output power from a light source and can be used to measure the span loss in dB of an optical
fiber systems. On the test set display, view measurement loss in real-time.
To see the most recent OPM specifications, go
www.veexinc.com .
Use the Home icon to get to the Fiber Main Menu (OTDR, VFL, OLS, OPM test modes).
• Only optical power meters (e.g. Built-in, UPM-100 or FX4x/8x OPM series
meters) approved by VeEX are supported. WaveID will work with OLS in CW
mode only.
• Accessing the Optical Power Meter module shuts down GPS and the atomic
service.
6.11.1 Access the OPM
To access the internal (built-in) OPM:
1. Connect the test fiber to the OPM test port located at the top of the test unit.
2. Tap the
X
icon to close OTDR mode. The
Fiber main menu
appears.
3. Tap Optical Power Meter on the main menu. The OPM screen appears with the Caution
warning. See
Section 6.11.3 Using the OPM
for information on using the built-in OPM.
To access the externally connected OPM:
1. Make sure the external Optical Power Meter is connected to the Micro-USB port via an
OTG cable.
2. Power on the external meter, and then tap the X icon to close OTDR mode. The Fiber
main menu appears.
3. Tap Optical Power Meter on the main menu. The External OLTS device(s) found screen
appears.