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INTRODUCTION
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Section 5 References-Lists and
describes other related
documentation
Section 6 Abbreviations and Acronyms-Lists and describes
abbreviations and acronyms frequently encountered in System 25
documentation
Appendix A. System Wiring Table–Lists pinouts and wiring used
with System 25
Appendix B. Parts Listing—Lists all related parts of System 25
Appendix C. System Additions and Changes-Describes how to
make additions to an existing system
Appendix D. System Upgrade–Describes how to upgrade an R1V1
R1V2 or R2V1 release of System 25 to an R3 release
Appendix E. System Codes and Data Entries–Lists all default codes
and data entries for administering the system
Appendix F. Administration Tables–Lists all error messages that
can occur when the system is being administered
FCC PRECAUTIONS
Electromagnetic fields radiating from the system cabinets may generate noise in
other communications equipment The technician must be sure that all cabinet
panels and covers are securely in place after performing maintenance
Caution:
Electrostatic discharge can destroy or severely damage
integrated circuits or CPs.
The maintenance technician MUST ALWAYS WEAR A WRIST GROUNDING
STRAP when handling CPs The cord must be attached to the grounding block at
the back of the cabinet or to a front-cover retainer screw Damage to integrated
circuits caused by electrostatic discharge may not be immediately apparent
Caution: The wrist grounding strap must not be clipped to any
cabinet location other than the grounding block.
1-2
November 1995