NEC Univerge sv8500 Manual page 2767

Tie Optical Fiber Cable
to FRONT BRACKET.
When leading Optical Fiber cable, don't tie up the Optical Fiber cable with LT cables.
Note:
Wind the remaining Optical Fiber cable to circle (15~20cm diameter), then tie it to PIR Frame.
Note:
Optical Fiber Cable Running
Use BASEU cable hole for
Optical Fiber Cable outlet.
VOL.3-280
CHAPTER 2 TERMINAL-RELATED DEVICES
Lead Optical Fiber Cable through
the right side cable duct.
Tie Optical Fiber Cable
to PIR FRAME.
Use PIR cable window when it runs
to the other IMG.