Alarm Checks; Common Part Alarm Check; Power Supply Alarm Check - Ericsson EDA 2530 Commissioning Instructions

8.2

Alarm Checks

Check that the correct alarm is indicated on the LCT and on the rack, if applicable,
as follows:-
8.2.1

Common Part Alarm Check

a.
b.
c.
d.
e.
f.
g.
8.2.2

Power Supply Alarm Check

SUBRACK DESCRIPTION
S20 Flexible Connections
a.
1/153 22-FGC 101 0239/2 Uen Rev J 2010-04-01
Using the optical connections listed in the resources, on the Common Part
unit housed in slot 1, connect together:-
The Tx of SFP Port 1 to the Rx of SFP Port 1, back haul interface (if fitted).
The Tx of SFP Port 2 to the Rx of SFP Port 2.
Note: If the SFP port is a SU57AF (1000Base-ZX) or SU57AJ
(1000Base-EX), then the Rx port MUST be fitted with an attenuator of
at least 5 dB. This ensures that the Rx port is not damaged by
overloading the port with an excessive signal level.
Select the Alarm Browser → Active Alarms function on the LCT.
Check the Receive from all Cards box. Click Apply Settings button and
check that there are no active alarms relevant to the electronic units.
On the Common Part unit in slot 1, disconnect the loop on SFP Port 1 and
check for the occurrence of the critical alarm.
On the Common Part unit in slot 1, disconnect the loop on SFP Port 2 and
check for the occurrence of the critical alarm.
Reconnect the loops on both SFP Ports on the Common Part unit in slot 1,
check the alarms clear for SFP Port 1 and SFP Port 2.
Check on the unit front that all equipped units, have their Green and Yellow
LED's lit and the Red LED extinguished.
st
Switch OFF the 1
cabinet. This will disconnect the power supply from Socket Vb1 on the
Power Supply Connection Unit in slot 22.
Check the Green Vb1 PWR LED is extinguished on the Power Supply
Connection Unit in slot 22.
EDA 2530 Commissioning Procedure for Cable and Wireless Access
SUBRACK CODE
133-1555/03
nd
and 2 Circuit Breakers at the top of the EDA 2530
© Ericsson AB 2010
Commercial in confidence
Power Supply – Right
151-2975/53 (Slot 22)
148 (200)