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

Plan and Prepare the Site
2-8Issue 1  September 1995 
Lay Out and Ensure Appropriate 
Grounding
Grounding is relatively simple for an AC-powered switch. First, connect the 
cabinets to each other. Then, connect a single ground wire from the Processor 
Port Network (PPN) to the a p proved protective ground. 
Grounding of the system must comply with the general rules for grounding 
contained in Article 250 of the National Electrical Code (NEC), National Fire 
Protection Agency (NFPA) 70, or the applicable...

Determine the Location of the Equipment Closets
Issue 1  September 1995 
2-9
NOTE:
Check location of the AC p ower receptacle. The receptacle must be on a 
separately current limited (fuse or circuit breaker) circ uit not controlled by 
a wall switch.
Determine the Location of the 
Equipment Closets
Determine the location of the e quipment closets where larg e cables can be 
connected out into smaller ones. Determine locations of terminating resisters for 
Basic Rate Interface (BRI) station circuits to...

Plan and Prepare the Site
2-10Issue 1  September 1995 
.
Table 2-2. Example of a Provisioning Plan
Station or Trunk 
Type or 
Feature/ServiceBuilding 
Location 
(floor/room/
desk/
information
 outletExtension 
Number or 
Trunk Group 
and Member DEFINITY 
G3 cabinet/
carrier/slot/
circuitRoute 
from 
equipment 
closetsAuxiliary 
Power 
Required?
8410
8403
Attendant Console
Analog CO
Digital Tie
.....
Music on Hold 

September 1995 Issue 1 3-1 
3
Unpack the Cabinet
This chapter describes the system unpacking procedures. 
The DEFI NI TY System Generic 3 (G3) single-carrier cabinets are shipped in a 
polyethylene bag, packed in a cardboard container. The cabinet is fastened to a 
wood/Styrofoam pallet with two metal b ands. The cardboard   container is 
strapped to the p allet with another metal band.
!DANGER:
Lifting the cabinet requires two people, as it may weigh as much as 130 
pounds/60 kilograms. Use caution to...

Unpack the Cabinet
3-2September 1995 Issue 1  
!CAUTION:
Deep knife penetration may damage the cabinet.
4. O pen and remove the front door and back panels from cabinet. The 
screw location is shown in the following figures.
Figure Notes:
1. Screw that opens front cabinet door
Figure 3-1. Front Cabinet Door Latch Screw Location
Figure 3-2 shows the back panel screw locations.
1 

September 1995 Issue 1 3-3
Figure Notes:
1. Screws to remove 
2. Screws to loosen
3. Screws to remain
Figure 3-2. Back Cabinet Panel Screw Locations
1. Remove all packing material from inside the cabinet.
Inspect Cabinet
2. Inspect cabinet for any d amage that may have occurred during ship ping. 
Report any damages according to local shipping instructions.
3 2
1
1
223 2
11 

Unpack the Cabinet
3-4September 1995 Issue 1  
3. Verify the label near the circuit b reaker on the power supply toward the 
rear of each cabinet corresp onds to your local voltage type.
!DANGER:
If the label is different than the voltage typ e at your site, notify your 
A T & T representative immediately for a replacement power supply. 
Do not, under any circumstances, connect the system to power!
Check Circuit Packs
4. Ensure all circ uit packs are fully inserted into the proper slots according 
to the...

Issue 1  September 1995 4-1 
4
Install and Connect the Cabinets
This chapter describes how to install the Processor Port Network (PPN) and 
Expansion Port Network (EPN) single-carrier cabinets for DEFINITY System 
Generic 3. Directions are provided for the following configurations:
nStandard reliability
nHigh reliability
nCritical reliability
Refer to Ab out This Book for a description of each configuration.
This chapter discusses single-carrier cabinets only. For information on multiple-
carrier...

Install and Connect the Cabinets
4-2Issue 1  September 1995 
Install Earthquake Mounting 
If earthquake protection is required for your area, install earthquake floor 
mounting as directed in Ap pendix B.
Position and Stack the Cabinets
Follow the d iagram in the Customer Service Document (CSD) ship p ed with each 
cabinet, and stack the DEFI NI TY System Generic 3 cabinets using these steps:
1. Place the control c a binet in position at the location determined when 
room layout was planned. 
NOTE:
Check...

Connect System Cabinet Grounds
Issue 1  September 1995 
4-3
Connect System Cabinet Grounds
To connect ground, refer to Figure 4-2 on p a ge 4-4 and perform the following:
1. At lower left rear of the Processor Port Network (PPN) cabinet (Control 
Cabinet A), connect a 6 AWG ground wire to the cabinet ground block. 
See Ap pendix F for international wire conversions for outside North 
America.
NOTE:
A screwdriver is required to loosen and tighten the screws securing 
the ground wire to the ground bloc k....