EDA 2530 Commissioning Procedure for Cable and Wireless Access
1/153 22-FGC 101 0239/2 Uen Rev J 2010-04-01
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Ericsson AB 2010
Commercial in confidence
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2.4.5
Subrack Connection Units
The EDA 2530 Subrack uses the following Connection Units:-
•
Power Supply /Alarms / Sync Connection Unit - 151-2975/53
•
64 x COMBI Int I/O POTS + TAM ETSI Connection Unit -
02HAT00252AAU (Double unit width)
•
32 x TAM Connection Unit (02HAT 00136 AAR) - for SHDSL connections.
2.4.5.1
Power Supply Connection and Alarm Unit (151-2975/53)
Required for S20 Chassis 133-1555/03
This unit supplies power to all the devices in the subrack and is required for
Grounding Contacts and Synchronisation.
This unit is inserted in slot 22 in the upper shelf of the subrack.
Figure 2.9 - Power Supply Connection and Alarm Unit (151-2975/53)
Table 2.1 – Power Connector Pinout for Power Supply Connection & Alarm Unit (151-2975/53)
Slot 22 (151-2975/53) VB1
Slot 22 (151-2975/53) VB2
Pin Signal Function
Pin Signal
Function
1
- B1
Battery 1 negative voltage 1
- B2
Battery 2 negative voltage
2
+B1
Battery 1 positive voltage
2
+B2
Battery 2 positive voltage
3
Not used
3
Not used
4
+B1
Battery 1 positive voltage
4
+B2
Battery 2 positive voltage
5
- B1
Battery 1 negative voltage 5
- B2
Battery 2 negative voltage
5-Way D Type
Connector for
DC Power
Supply 1
25-Way D
Type Male
Connector for
ALARMS
5-Way D Type
Connector for
DC Power
Supply 2
1.0/2.3 Female
Coaxial
Connectors
Sync 1 & 2 IN
ALARMS
151
-297
5/
53
VB
1
VB
2
VB
1
VB
2
1
2
PWR
PWR
ALARMS
151
-297
5/
53
VB
1
VB
2
VB
1
VB
2
1
2
PWR
PWR