Cisco Prisma II bdr Dig Rev 2 1 Dual Mux Sys for High Density Installations Installation Guide
Installing the Enhanced Digital Reverse Modules in the Node
78-741939-01 Rev C
2-8
Unstowing the Fiber Management Tray
Procedure to Unstow the Fiber Management Tray
The following procedures provide instructions to unstow the fiber management tray
and open the plastic cover of the fiber management tray.
WARNINGS:
Only trained service personnel using proper safety precautions and equipment,
such as protective eyewear, should disconnect and service the laser transmitter
equipment.
Laser transmitters, when disconnected from their optical fiber path emit
Laser transmitters, when disconnected from their optical fiber path emit
invisible laser radiation that is harmful to the human eye. If viewed at close
range, the radiation may be of sufficient power to cause instantaneous damage to
the retina of the eye.
Always wear safety glasses and use extreme caution when handling the glass
Always wear safety glasses and use extreme caution when handling the glass
chips found inside the optical fiber cladding. X-rays are unable to detect these
chips when embedded in the skin.
Follow these steps to unstow the fiber management tray.
Important: Be careful not to damage the fibers.
Important: Be careful not to damage the fibers.
1.
Locate the two tabs that fit into the holes on either side of the aluminum
frames.
Note: There are a total of four tabs on the fiber management tray. When the
Note: There are a total of four tabs on the fiber management tray. When the
tray is in the stowed position, these two tabs are closest to the RF launch
amplifier.
Unstowing the Fiber Management Tray,
Continued