365-575-102 DetailedLevelProcedure:
Issue 8.0, July 2002 Page 1 of 6
DLP-519
Install and/or Remove Optical Loopback at OC48
REGENR Circuit Pack
Overview: This procedure optically loops each REGENR circuit pack on itself with a
fixed line buildout (15 or 20 dB) for testing.
1.
!
CAUTION:
Use a static ground wrist strap whenever handling circuit packs or
working on an FT-2000 repeater bay/shelf to prevent electrostatic
discharge damage to sensitive components.
!
WARNING:
Unterminated optical connectors may emit invisible laser radiation. Eye
damage may occur if beam is viewed directly or with improper optical
instruments. Avoid direct exposure to beam.
Remove the shelf cover from the FT-2000 repeater bay/shelf.
Reference: DLP-511
2. Is the OC-48 line loopback (Figure 1) being installed or removed?
To install loopback, continue with Step 3.
To remove loopback, continue with Step 13.