ATT DEFINITY Communications System Generic 3 For Single-Carrier Cabinets Instructions Manual

Earthquake Protection Procedures
B-2Issue 1  September 1995  
Figure B-1. Front Mounting Angle—Concrete Floor
5. Move the cabinet  back into place and attach the cabinet to the angle with 
two #12-24x1/2-inch (1.3 cm) thread-forming screws. 
6. Insert a pencil or marker through holes in the lower back of the cabinet 
and mark the floor directly beneath each hole. 
7. Move the cabinet out of the way.
8. Drill two holes 1/2-inch (1.3 c m) in diameter and 1-1/2-inches (3.8 c m) 
deep at the spot marked in...

Install Floor Mounting to Attach Cabinet to Floor
Issue 1  September 1995 
B-3
10. Attach the cabinet to the front mounting angle using four #12-24 by 1/2-
inch (1.3 cm) thread forming screws.
11. In the back of the cabinet, lay the stiffener on the bottom of the c a binet, 
aligning the stiffener with the holes in the bottom of the cabinet. 
12. Fasten the c a binet to the floor (see Figure B-2).
Figure B-2. Cabinet Earthquake Mounting—Concrete Floor
Side View
If critical reliability is provided,...

Earthquake Protection Procedures
B-4Issue 1  September 1995  
Install Ground Plates on Cabinet 
Backs
The ground plate provides the ground connection between cabinets, provides 
radio frequency (RF) radiation protection, and also stabilizes the cabinets. 
A ground plate is required between each cabinet (see Figure B-3). Complete the 
following ste ps to attach the ground plate.
1. At the back of the c a binets, p ut in all the screws on the upper and lower 
panels, except for the screws that run along...

Install Front Plates
Issue 1  September 1995 
B-5
Figure Notes:
Figure B-3. Single-Carrier Cabinet Ground Plate, Front Plate,
and Battery Locations
1
23
1. Front Plate
2. Battery3. Back Plate
nSide View of 2-Cabinets Port Network 

Issue 1  September 1995 C-1 
C
DEFINITY AUDIX System Power 
Procedures 
Manually Power Down DEFINITY 
AUDIX System
A yellow caution sticker is placed on the switch’s power unit telling technicians to 
shut d own the DEFINITY AUDIX System prior to powering down the switch.
To shutdown the DEFINITY AUDIX system, do the following:
1. Using a pointed object, such as a paper clip or pen (do not use a pencil), 
press the Boot/Shutdown button (See A on Figure C-1).
2. Hold Boot/Shutdown button in until Liquid...

DEFI NI TY AUDIX System Power Procedures
C-2Issue 1  Septemb er 1995  
NOTE:
Even though the DEFI NI TY AUDIX System  is shutdown, the 
“heartbeat” indication on the display continues to flash.
NOTE:
Upon the switch powering up, DEFINITY AUDIX System will 
automatically reboot. This sequence may show an MD or MJ 
ADX alarm in the display until the switch has p owered up. 
When the switch has completed its power up sequence, the 
DEFINITY AUDIX System display will read: ADX. 

Manual Power Up DEFINITY AUDIX System
Issue 1  Septemb er 1995 
C-3
 
Figure Notes:
              
Figure C-1. DEFINITY AUDIX System
Manual Power Up DEFINITY AUDIX 
System
To power up the DEFI NIT Y AUD IX  S yst em , d o  t he f ollowing:
1. Using a pointed object such as a paper clip or a pen (do not use a pencil), 
press the Boot/Shutdown button.
3
1
2
1. Boot/Shutdown Button
2. Liquid Crystal Display  (LCD)3. Re d L i g ht Em it tin g Di o d e ( LED) 

DEFI NI TY AUDIX System Power Procedures
C-4Issue 1  Septemb er 1995  
2. Hold Boot/Shutdown button in until the display indicates the message, 
BTEST, steady on.
3. Release Boot/Shutdown button.
NOTE:
DEFINITY AUDIX System takes a p proximately five minutes to power 
up. The following  occurs during power up:
nDisplay indicates the message, BTEST, steady on and red 
light emitting diode (LED) is steady on.
nAbout 30 seconds into power up, the display indicates the 
message, BOOT, and the red light...

Issue 1  September 1995 D-1 
D
Country Differences
United States to United Kingdom and 
France Terminology Translations
Country-Specific Hardware
The following p a ges contain ta bles of country-specific hardware. Please see the 
table for your country required hardware. 
This information is volatile and is, therefore, dated. If you are reading this 
document more than six months after the date of this document, please check 
with AT&T p ersonnel in your country for the most recent information.
United...

Country Differences
D-2Issue 1  Septemb er 1995  
*PPM means Periodic Pulse Metering.
Table D-1. United States and Canada
United States & Canada
Tone Detector TN2182 TN744C TN748D
Tone-Clock TN2182 TN780 TN768
Call Classifier TN744C TN2182 TN744B
R2MFC Circuit Not Ap plicable
Speech Synthesizer TN725B
Announcement TN750C TN750B
Auxiliary Trunk TN763D
Analog Direct Inward Dialed (DID) Trunk TN753
Analog Central Office Trunk (no PPM) * TN747B
Analog Central Office Trunk (w/PPM) * Not Ap plicable
4 Wire Tie...