3Com DUA1800-0AAA04 TV Video Accessories User Manual


 
4
U
SING
T
HE
D
ISPLAY
P
ANEL
This chapter provides:
An introduction to the display panel
An interpretation of the LEDs and instructions for testing them
Steps for resetting the MSH
An overview of managing the MSH
WARNING:
Maintenance operations described in this chapter
must be carried out by qualified personnel only.
AVERTISSEMENT:
Les opérations de maintenance décrites dans
ce chapitre doivent être effectuées uniquement par un personnel
qualifié.
The Display Panel
The display panel provides the following:
simple fault diagnosis via LEDs
a facility to reset modules to default configuration
a facility for testing the operation of LEDs
access to information telling you about the way in which the MSH
is set up
an RS232 port
Full display panel facilities require a management module to be
fitted in the chassis. Only the first three facilities are available if
you do not have a management module
Chassis.bk : CHAPTER4 Page 1 Monday, February 10, 1997 1:11 PM