VeEX OTDR FX150+ Series, User Manual

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OTDR Series e-Manual, D07-00- 076P -RevD00 Page 58 of 109
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.
Note: Only optical power meters (e.g. Built-in, UPM-100 or FX40 series meters) approved by
VeEX are supported.
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)
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. Press Optical Power Meter on the main menu. The OPM screen appears with the Caution
warning.
See 6.11.2 Using the built-in 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. Press
Optical Power Meter
on the main menu. The
External OLTS device(s) found
screen appears.