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User’s Manual for Palm Optical Fiber Tester
Shineway Technologies, Inc.
- 28 -
3.
Store the reference power value
: Press the [
Ref]
key for several seconds until
“HELD” appears on the LCD screen, OPM-15/OPM-21/OPM-25 will set the current
measured dBm as reference value. The display should read 0.00dB, as shown in Figure 18.
Stabilized Laser Source
λ
ShinewayTech
®
uW
dBm
CW
MOD
dBm
AUTO OFF
nm
Optical Power Meter
λ
ShinewayTech
®
dB
dBm
Zero
uW
Ref
Set
dB
AUTO OFF
nm
On
Off
On
Off
F
IGURE
18.
S
AVE REFERENCE POWER VALUE
4.
Measure Connector Insertion Loss
: Disconnect the optical jumper cable end from
the power meter and connect the power meter through flange. The power meter reads the
connector insertion loss as shown in Figure19.