Carrier Access Access Navigator - Manual (Page 153)

Access Navigator - Release 1.8 August 2003 6-49
Electrical Installation
Install Redundant Controller Card
Install Redundant Controller Card
This procedure provides steps for installing a second, redundant Controller card to provide electronics and
power supply protection. Steps are also included to very operation after installation. Controller cards are hot
swappable and can be installed at any time, without interrupting service.
Installation Summary
n Precautions ... 6-49
n Tools and Materials ... 6-50
n Verify Software Compatibility ... 6-50
n Remove Front Cover ... 6-51
n Install Controller Card ... 6-52
n Verify Operation ... 6-53
n Replace Front Cover ... 6-54
Precautions
DANGER! B URN H AZARD . C HASSIS , COVER SCREWS , AND CARDS MAY BE HOT TO
THE TOUCH .
CAUTION! S ERVICE DISRUPTIONS MAY OCCUR IF TWO C ONTROLLER CARDS ARE
INSTALLED WITH INCOMPATIBLE SOFTWARE , SUCH AS ONE DCS CARD AND ONE
GR-303 CARD . I F THE SOFTWARE IS NOT COMPATIBLE , DO NOT SWITCH NEW
C ONTROLLER INTO ACTIVE MODE – REMOVE CARD AND RETURN TO REPAIR FACILITY . I F
DESIRED , YOU CAN UPGRADE THE NEW CARD TO MAKE THE SOFTWARE COMPATIBLE
( SEE U PDATE C ONTROLLER C ARD S OFTWARE ON page 17-1 ).
WARNING! T HE A CCESS N AVIGATOR CONTAINS CIRCUIT CARDS AND COMPO -
NENTS THAT ARE SUBJECT TO DAMAGE BY ELECTROSTATIC DISCHARGE (ESD).
A LWAYS FOLLOW THE S TATIC -S ENSITIVE E QUIPMENT H ANDLING P ROCEDURES ON
page 6-3 WHEN OPENING EQUIPMENT COVERS AND HANDLING PLUG - IN CIRCUIT CARDS .