DLP-505: Detailed Level Procedure 363-206-285
Page 1 of 8 Issue 2, February 2000
DDM-2000 OC-3 MULTIPLEXER
Connect Optical Loop
1.
!
WARNING:
Unterminated optical connectors may emit invisible laser radiation. Avoid
direct exposure to the beam. Do not view beam with optical instruments.
Use of controls or adjustments or performance of procedures other than
those specified herein may result in hazardous radiation exposure.
!
CAUTION:
Take care to avoid damaging the LEDs that protrude through the opening
in the faceplate of the
OLIU
.
!
CAUTION:
Avoid excessive bending of the optical jumper used to loop the
OLIU
on
itself.
!
CAUTION:
All optical fiber connectors and couplings should be properly cleaned
[DLP-527]
. Signal performance may be degraded if the connectors and
couplings are not cleaned properly.
NOTE:
The 22D-U, 22G-U, 24G-U/24H-U, 26G2-U, 27G-U/27G2-U,and
29G-U/29H-U OLIU requires a 10 dB LBO when it is looped on itself.
Which OLIUs are being looped?
If 22F/22F-U/22F2-U/22G2-U/22G3-U/22G4-U, then proceed to Step 2.
If 22D-U/22G-U/24G-U/24H-U/26G2-U/27G-U/27G2-U/29G-U/29H-U,
then proceed to Step 7.
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