MV-841/851 User Manual
Module(s) Removal Procedure
Hardware Installation
Issue 1 Revision 1
Page 44
© 2020 Grass Valley, a Belden Brand
This avoids any interim incompatibility between different front and rear modules during fitting,
which may damage modules and the router.
Read through the following installation steps and notes to ensure that you understand them
before installing an MV-841/851.
Module(s) Removal Procedure
Removal Procedure for Rear then Front Modules
1.
Start at the rear of the router.
The first step is to empty
relevant
slots of front modules or rear panels, ready for the
MV-841/851 modules:
2.
Locate the pair(s) of rear modules to remove.
on page 42 indicates which modules need to be removed.
3.
Disconnect all cables connected to rear panel connectors on rear slots that need to be
emptied.
Note:
The fan door assemblies should be returned to the closed position as
soon as possible after opening. This ensures correct ventilation and
operation of the router frame.
In practice:
•
Maximum time that a fan door may be left open will depend
on a number of factors, such as: ambient temperature, router
frame loading, crosspoint routing, etc.
•
To ensure correct operation under all conditions, the fan
assemblies should be left open for no more than 2 minutes at
a time.
•
Avoid repeated opening of fan doors. Leave a fan door closed
for at least 5 minutes after it has been open for 2 minutes; this
restores correct ventilation.
•
Take care not to trap any cables when opening and closing
the fan doors.
To minimize the time that router frame doors and fan doors are
open,
ensure that you understand which modules need to be changed
and where they are located: Refer to your completed
.
CAUTION
Electrostatic Damage
Static precautions must be observed when handling, inserting or
removing modules.
Note:
Rear module removal requires:
•
A Pozidriv screwdriver suitable for pan head, M3 x 6 mm, zinc
plated screws.
