M-UM006-01 Page 2
7RXVHWKH/),DFFHVVRU\ZLWKWKH53UHPRYHWKHDGDSWHURQWKH53
SRZHUPHWHUDQGVOLGHWKHWZRXQLWVWRJHWKHUXQWLOWKH\VQDSÀUPO\LQSODFHVHHSLFWXUHV
DERYH7RVHSDUDWHWKHXQLWVJUDVSWKH/),ÀUPO\ZLWKWKHWKXPEDQGIRUHÀQJHUDQG
SXOOWKHGHYLFHDZD\IURPWKHSRZHUPHWHU
7KH/),XWLOL]HVDPDFUREHQGWHFKQLTXHWRLQGXFHDVPDOODPRXQWRIORVVLQWRWKHÀEHU
7KLVPDFUREHQGZLOOQRWGDPDJHWKHÀEHUQRUSODFHH[FHVVLYHORVVRQWRDÀEHUDFWLYHO\
WUDQVPLWWLQJGDWD7KLVWHFKQLTXHDOORZVWHFKQLFLDQVWRPHDVXUHWKHFRUHSRZHURIDÀEHU
ZLWKRXWKDYLQJWRUHPRYHWKHÀEHUIURPWKHSDWFKSDQHO
7KHÀEHUVKRXOGEHIHGLQWRWKHFKDQQHORQWKH/),LQWKHFRUUHFWGLUHFWLRQVHH
diagram below) and then the trigger on the LFI should be depressed. This will introduce a
PDFUREHQGZKLFKDOORZVDVPDOODPRXQWRIOLJKWWR´OHDNµIURPWKHÀEHULQWRWKHVHQVLWLYH
detector on the RP 450 power meter.
Please note that the RP 450 should be in dBm mode with the correct wavelength selected
WRPHDVXUHFRUUHFWFRUHSRZHUYDOXHV7KHPHDVXUHGVLJQDOYDOXHZLOOEHDSSUR[LPDWHO\
G%OHVVWKDQWKHDFWXDOFRUHYDOXH)RUH[DPSOHLQWKHGLDJUDPEHORZWKHPHDVXUHGFRUH
SRZHUYDOXHLVG%P7KLVHTXDWHVWRDQDFWXDOFRUHSRZHUYDOXHRIG%P
1 - Check Core Power of Fiber with LFI
LFI 110 Device Overview
LFI 110
LFI 110
Attached to RP 450-02
Depress Trigger
on Back of Unit to Obtain
Core Power Measurement
Feed Fiber Into LFI Channel:
Blue Arrow Indicates
Direction of Optical Signal
NOTE:
Fiber cables should be placed in the
ÀEHUFKDQQHO
RIWKH/),7KHIRDPSDG
EORFNVOLJKWIURPHQWHULQJWKH/),KHDG
and does not provide the appropriate
EHQGLQJIXQFWLRQ
