User's Manual

Table Of Contents
Overview of the procedures for checking operating states
Work step Described in
Ä
Checking operating states (via LEDs)
Ä
Chapter 4.3.3.1 “Checking operating
states (via LEDs)” on page 70
Ä
Checking operating states (audible
check)
Ä
Chapter 4.3.3.2 “Checking operating
states (audible check)” on page 70
Ä
Checking operating states (via the
NMC-511 FaultManager)
Ä
Chapter 4.3.3.3 “Checking operating
states (via the NMC-511 FaultManager)”
on page 71
4.3.3.1 Checking operating states (via LEDs)
The following table provides an overview of hardware components whose LEDs can be
checked.
Checking operating states (via LEDs)
Hardware component Described in
TETRA Channel Unit (CHU)
Ä
Table “Legend: Indicators (LEDs) of the
CHU” on page 44
Base Station Controller Unit (BSCU)
Ä
Table “Legend: Indicators (LEDs) of the
BSCU” on page 46
Fan unit
Ä
Table “Legend: Indicators (LEDs) of the
fan unit” on page 51
Power Supply Module (PSM) with V
AC
voltage supply
Ä
Table “Legend: PSM (front view)” on
page 35
4.3.3.2 Checking operating states (audible check)
Upon switching on the DIB-R5 advanced, the fans briefly rotate at high speed and are
then adjusted according to the room temperature. No grinding or rattling noise should be
present at this time.
Checking operating states (audible check)
Preparation:
n The DIB-R5 advanced must be switched on.
n The front equipment rack door must be open.
Check whether grinding or rattling noise can be heard.
ð
If the corresponding noises can be heard, you must perform a fault analysis.
The function test has been completed.
Operation
Function tests and operating surveillance > Checking operating states
DIB-R5 advanced
70 Operation Manual 90DIBR5advancedOM02 - 1.0