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

Install and Connect the Cabinets
4-34Issue 1  September 1995 
Install Cable Clamps
At the back of the cabinets, on each ground plate, install two cable clamp s 
using the screws provided (see Figure 4-23). These clamp s hold the 25-pair 
input/output or cross-connect field cables in place.
Figure 4-23. Location of Cable Clamps
452 1
3
Figure Notes:
1. Cable Clamp
2. Cable Slack Manager
3. Switch Cabinet4. Cabinet Trough for Port  Cables
5. Spare Center Troughs 

Install Front Plates
Issue 1  September 1995 
4-35
Install Front Plates
The front plates provide electromagnetic radiation and radio frequency (RF) 
shielding and earthquake protection. 
If you do not have a requirement for electromagnetic radiation shielding, radio 
frequency shielding, or earthquake protection, use the cabinet clips as 
described in this section.
Install Front Plates on Systems with
Earthquake Protection
Refer to Ap pendix B to install the front plates to help provide earthquake...

Install and Connect the Cabinets
4-36Issue 1  September 1995 
Figure 4-25. Location of Cabinet Clips
1
2
3
4
5
1. Port Cabinet D
2. Port Cabinet C
3. Cabinet clips4. Port Cabinet B
5. Basic Control Cabinet A
Figure Notes: 

Issue 1  September 19955-1 
5
Install Telecommunications Cabling
This chapter describes how to install telecommunications cables and cross-
connect equipment. 
The specific equipment being installed varies on what was ordered for your site. 
Use the material presented in this chapter as an example.
Install the Cross-Connect Field
This section describes how to connect to the cross-connect field. 
Typical Cross-Connect Field Using
110-Type Hardware
The cross-c onnect field is normally located directly...

Install Telecommunications Cabling
5-2Issue 1  September 1995 
Figure 5-1. Typical Cross-Connect Field Installation: 
110A-Type Terminal Blocks 
3
2
87
4
5
5
5
5
1
6
1. D Ri n g
2. Trunk auxiliary field
3. Port distribution field
4. Station distribution field5 . Sta ti on  c a b l es
6 . Swi tch  c a b ine t
7. Z113A cable slack manager
8. 25-pair cable to switch cabinet
Figure Notes: 

Issue 1  September 19955-3
In Figure 5-1, a pproximately 576 4-Pair or 768 3-Pair Station Capacity is 
illustrated. 
Hardware Installation
These hardware installation instructions are written so one system technician 
can install the following equipment:
nCross-c onnec t field
nCable slac k managers
nSneak c urrent p rotec tor (507B) 
The preferred cross-connect field location is directly b ehind the switch cabinet. 
Install Cable Slack Managers
To install the cable slack managers (Figure 5-2), proceed...

Install Telecommunications Cabling
5-4Issue 1  September 1995 
nRoute the cable from the cabinet to the wall. Place the c a ble beside one 
of the rows of columns in the cable slack manager (see following note).
NOTE:
Retainers mounted on the columns keep the cable from protruding 
above the top of the base of the cable slack manager.
nDetermine the length of the cable required to reach from the cable slack 
manager to the assigned connecting/terminal block.
nThe c a ble must be supp orte d on the wall....

Issue 1  September 19955-5
Figure 5-2. Cable Routing Through Cable Slack Manager for 
Single Cabinet Installation 
452 1
3
1. Cable Clamp
2. Trunk Auxiliary Field3 . Swi tch  Ca b i ne t
4. Cabinet Trough for Port Cables
5. Spare Center Troughs
Figure Notes: 

Install Telecommunications Cabling
5-6Issue 1  September 1995 
Figure 5-3. Typical Port Cable Installation at Switch Cabinet
Connect Control Carrier Outputs 
Cable
Plug the connector c able in the AUX connector on the rear of the control carrier. 
Route the connector cable through the c a ble slack manager to the assigned 
connecting block in the yellow field of the trunk/auxiliary field.
Refer to Table 9-9 for pinout information.
The output wiring connections for the Initialization Ad ministration...

Issue 1  September 19955-7
Label Cables
Label the cables as d esc rib e d in this section. 
The port label shown in the next figure is installed on both ends of the
25-pair cables  connecting to the trunk/auxiliary field and/or the distribution field. 
See Table 5-1 for the c a ble label and colour code. The building and floor labels 
connect from the equipment room to a site/satellite location on another floor or in 
another building. The auxiliary circuits connect to the trunk/auxiliary field.
Figure...