Time Change Instructions for Classic Mail
Occasionally you may need to change some of the customization parameters set during
the installation process.  These instructions describe how to make these changes.
Changing the system date and time:
The installer initially sets the system date and time. If there is an extended power
failure, or when daylight savings time changes, you can change the clock that the
CLASSIC MAIL system uses to determine day or night operation.  When entering date
and time...
                                            

                                                    AT&T
MERLIN
® 
Identifier
Installation & Administration 
                                            

                                                    AT&T
MERLIN
® 
Identifier
Installation & Administration 
                                            

                                                    AT&T
PARTNER™
Communications System
Installation and Use 
                                            

                                                    AT&TSPIRIT® Communications System Model 2448
Line and Station Cards Installation Instructions
WARNING: The SPIRIT® Communications System Model 2448, Line and Station Cards must be
installed by an AT&T service technician or a qualified installer.
Introduction
These instructions will show you how to install 4-line or 8-station expansion cards into the
controller or expansion unit of your SPIRIT® Communications System, Model 2448. Please read
the instructions carefully before beginning installation.
What...
                                            

                                                    AT&TSPIRIT® Communications System, Model2448
Reference Card
Answer Calls
Outside Call
lntercom CallPickup Call Ringlng onLift receiver (or press SPEAKER).
Lift receiver (or press SPEAKER).Another Telephone
Specific LinePickup Call In Your GroupPress INTERCOM.
Press line button.
Press INTERCOM.Lift receiver (or press SPEAKER).
Lift receiver (or press SPEAKER).Lift receiver (or press SPEAKER).Dial Q 8.
Dial * 7.Dial intercom extension number.
Place Calls
Outside Calls
Use Specific Line NotLift receiver (or...
                                            

                                                    AT&T
SPIRIT
®
Communications System
Model 2448
2448 Expansion Unit
Installation Instructions 
                                            

                                                    AT&T
SPIRIT
®
Communications System
Model 308/616
Administration Manual 
                                            

                                                    AT&T
SPIRIT® Communications System
Model 308/616
616 EXPANSION UNIT
INSTALLATION INSTRUCTIONS
The SPIRIT Communications System controller provides service for up to three incoming
lines and eight telephones. This expansion unit doubles the line and telephone set capacity of
the system. Installation and wiring of the complete system is explained in your Customer
Installation Instructions.
What You Should Find in The Expansion Unit Box:
Expansion Unit
Three 7’ line cords
n STEP 1 Unplug the System...
                                            

                                                    AT&T
SPIRIT
®
Communications System
User Manual 
                                            

                                                    AT&T
SPIRIT
®
Communications System
User Manual 
                                            

                                                    SPIRIT
®
Communications System
ConnecT/R
Owner’s Manual 
                                            

                                                    AT&T
AT&T System 25
Release 3 V3
Administration Manual
555-540-500
November 1995 
                                            

                                                    AT&T
555-500-500
Issue 1, May 1986
AT&T SYSTEM 25
ADMINISTRATION MANUAL 
                                            

                                                    AT&T
AT&T System 25
Release 3 V3
Administration Manual
555-540-500
November 1995