4
PART 2 – SET REFERENCE, cont.
If testing at 1300nm is also required, a separate mandrel-wrapped patch cable is required.
Leaving the 850nm mandrel-wrapped patch cable connected to the Dual OWL, connect a separate mandrel-wrapped
patch cable to the 1300nm port on the Dual OWL and the detector port on the ZOOM 2 (Figure 5).
Press
so that the ZOOM 2 is set to 1300nm.
Press
so that the Dual OWL is set to 1300nm. The right-hand indicator LED will be lit.
Press and hold
on the ZOOM 2 to set the reference for 1300nm. The ZOOM 2 display
should show a power reading of approximately 0.00 dB. This means that the meter and light
source have been successfully “zeroed” at 1300nm.
PART 3 – TAKE READINGS
Disconnect the mandrel-wrapped patch cable from the detector port on the ZOOM 2, then bring both units to the opposite
ends of the link under test.
Remember to bring the straight patch cable with the ZOOM 2.
Connect the ZOOM 2 and the 850nm port on the Dual OWL to the link under test (Figure 6).
UNITS
ZERO
QUICK REFERENCE GUIDES
Optical Power Meter:
ZOOM 2
Fiber Optic Light Source: DUAL OWL Series
PAGE 4 OF 5
FIGURE 5
Mandrel-wrapped
cable connection
(1300nm)
dBm
20.00
-
1300
nm
Leave mandrel-wrapped
cable attached to 850nm port
SC connectors shown here;
connector style may vary
LIGHT SOURCE
CONNECTOR PORTS
Do NOT insert APC connector
into either light source port
dB
0.00
1300
nm
