Technical information

Technician’s Handbook
8
Recovering from a Corrupted Hard Disk. . . . . . . . . . . . . . . . . . . 140
Formatting the Hard Disk . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 140
Removing and Replacing a Faulty Hard Disk . . . . . . . . . . . . . . 143
Replacing Circuit Cards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 146
Removing a Card . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 146
Installing a Card . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 146
Replacing a Main Controller Card . . . . . . . . . . . . . . . . . . . . . . . 147
Replacing a Peripheral Switch Controller (PSC) Card. . . . . . . . 148
Replacing a Control Resource Card (CRC). . . . . . . . . . . . . . . . 149
Replacing CEPT or DS1 Formatter Cards
with DS1/CEPT I or II Cards. . . . . . . . . . . . . . . . . . . . . . . . . . . . 150
Chapter 6: Routine Maintenance
Is the System Healthy? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 155
Non-redundant Healthy System Checklist . . . . . . . . . . . . . . . . . 155
Redundant Healthy System Checklist . . . . . . . . . . . . . . . . . . . . 155
Is the System Secure? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 156
Checking a Non-redundant System. . . . . . . . . . . . . . . . . . . . . . . 157
Checking a Redundant System . . . . . . . . . . . . . . . . . . . . . . . . . . 158
Making Your System Secure . . . . . . . . . . . . . . . . . . . . . . . . . . . . 160
RSD Copier Functionality . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 162
Formatting a Removable Storage Device (RSD) . . . . . . . . . . . . 163
Making a DATA SAVE Backup . . . . . . . . . . . . . . . . . . . . . . . . . . . 164
Making a Message Center Backup . . . . . . . . . . . . . . . . . . . . . . . 165
Making an RSD Copy of the Hard Disk . . . . . . . . . . . . . . . . . . . . 166
Loading Software on Your System . . . . . . . . . . . . . . . . . . . . . . . 168
Software Upgrade or Software Update? . . . . . . . . . . . . . . . . . . 168
Data Restore or Data Convert? . . . . . . . . . . . . . . . . . . . . . . . . . 168
RSD or Tape? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 168
Before You Begin. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 169
Performing a Software Upgrade
on a Non-redundant System . . . . . . . . . . . . . . . . . . . . . . . . . . . 170
Performing a Software Update on a Non-redundant System. . . 178
Performing a Software Upgrade on a Redundant System. . . . . 179
Performing a Software Update on a Redundant System. . . . . . 190