INSTALLATION
Ground Wire Connections
The cabinets are connected to the single-point ground with #6 AWG copper
wires.
(Building ground requirements are
described in
Preinstallation
Requirements
in this section.)
Warning: The cabinet power switches must be set to off.
1.
In 2- or 3-cabinet systems, connect a #6 AWG wire between the
ground blocks of Cabinets 1 and 2 and Cabinets 1 and 3.
2. Connect a #6 AWG wire between the ground block of Cabinet 1 and
the single-point ground. (See Figures 2-9 and 2-1 3.)
POWER UP AND INITIALIZE SYSTEM
Separate power cords for each cabinet must be plugged into the designated
quad outlets.
Peripheral equipment (SAT, SMDR [Station Message Detail
Recording], or CAS [Call Accounting System], DTU and CSU [Customer
Service Unit]) collocated with the switch cabinet(s) must also be plugged into
these ac outlets.
Connect Power
1.
2.
3.
4.
Make sure the rear panel is in place on each cabinet.
Connect the receptacle end of a 3-wire power cord to the plug at the
rear of each cabinet.
Connect the power cord’s plug end to the quad ac outlet for each
c a b i n e t .
Recheck the electrical and ground connections.
Danger: Once power is applied, do not put your hands or
any tools into the cabinet.
2-33
Содержание Network Adapter 25
Страница 1: ...AT T AT T System 25 Installation and Maintenance Manual 555 540 103 B November 1995 ...
Страница 18: ...APPENDIX F Administration Error Messages GLOSSARY I N D E X F 1 G 1 I 1 viii ...
Страница 29: ...INSTALLATION NOTE 9 WIDE MOUNTING CENTERS ARE 8 1 2 APART FLANGES OVERLAPPED Figure 2 1 10B ETU 2 5 ...
Страница 31: ...INSTALLATION MOUNTING CENTERS WHEN FLANGES ARE OVERLAPPED Figure 2 2 617A Panel 2 7 ...
Страница 33: ...INSTALLATION Z21OA1 ADAPTER Y ADAPTER WP90851 L1 858A ADAPTER Figure 2 3 SIP Adapters 2 9 ...
Страница 50: ...INSTALLATION Figure 2 10 Three Cabinet System Front View With Covers Removed 2 26 ...
Страница 51: ...INSTALLATION Figure 2 11 Position of Shorting Plugs on CPU Memory Circuit Pack 2 27 ...
Страница 72: ...INSTALLATION UPPER ADAPTER MOUNTING CLIP Figure 2 18 Mounting Adapters ...
Страница 85: ...INSTALLATION 2 61 ...
Страница 92: ...INSTALLATION 2 68 ...
Страница 103: ...INSTALLATION Figure 2 32 10B Emergency Transfer Unit 2 78 ...
Страница 104: ...INSTALLATION Figure 2 33 Emergency Transfer Unit Connections 2 79 ...
Страница 109: ...INSTALLATION Figure 2 35 Attendant Console With DXS Console 2 84 ...
Страница 146: ...INSTALLATION 2 119b This page intentionally left blank November 1995 ...
Страница 153: ...INSTALLATION This page intentionally left blank 2 124b November 1995 ...
Страница 156: ...Figure 2 57 278A Adaptor Plug Positions for Connecting TN763 Circuit Pack to Paging System 2 127 ...
Страница 223: ...MAINTENANCE Figure 4 2 Clearing Supply Troubles Sheet 1 of 2 4 47 ...
Страница 224: ...MAINTENANCE Figure 4 2 Clearing Power Supply Troubles Sheet 2 of 2 ...
Страница 225: ...MAINTENANCE Figure 4 3 Clearing CO Trunk Troubles 4 49 ...
Страница 226: ...MAINTENANCE Figure 4 4 Clearing 4 Wire Tie Trunk Troubles Sheet 1 of 4 4 50 ...
Страница 227: ...MAINTENANCE Figure 4 4 Clearing 4 Wire Tie Trunk Troubles Sheet 2 of 4 4 51 ...
Страница 228: ...MAINTENANCE Figure 4 4 Clearing 4 Wire Tie Trunk Troubles Sheet 3 of 4 4 52 ...
Страница 229: ...MAINTENANCE Figure 4 4 Clearing 4 Wire Tie Trunk Troubles Sheet 4 of 4 4 53 ...
Страница 231: ...Figure 4 6 Clearing Tie Trunk Troubles Sheet 1 of 5 4 55 ...
Страница 232: ...MAINTENANCE 6 7 8 9 10 Figure 4 6 Clearing Tie Trunk Troubles Sheet 2 of 5 4 56 ...
Страница 233: ...MAINTENANCE Figure 4 6 Clearing Tie Trunk Troubles Sheet 3 of 5 4 57 ...
Страница 234: ...MAINTENANCE Figure 4 6 Clearing Tie Trunk Troubles Sheet 4 of 5 4 58 ...
Страница 235: ...MAINTENANCE Figure 4 6 Clearing Tie Trunk Troubles Sheet 5 of 5 4 59 ...
Страница 236: ...MAINTENANCE Figure 4 7 Clearing Paging Equipment Troubles ...
Страница 250: ...MAINTENANCE Figure 4 9 System Cabinet Backplane Wiring Side Sheet 2 of 2 4 74 ...
Страница 251: ...MAINTENANCE Figure 4 10 TDM Signal Designations on Cabinet Backplane 4 75 ...
Страница 252: ...MAINTENANCE Figure 4 11 Power Designations on Cabinet Backplane 4 76 ...
Страница 263: ...MAINTENANCE Figure 4 12 Clearing Virtual Facilities Troubles Sheet 1 of 3 ...
Страница 264: ...MAINTENANCE Figure 4 12 Clearing Virtual Facilities Troubles Sheet 2 of 3 4 87 ...
Страница 265: ...MAINTENANCE Figure 4 12 Clearing Virtual Facilities Troubles Sheet 3 of 3 4 88 ...
Страница 271: ...MAINTENANCE Figure 4 13 Clearing Switched Loop Attendant Console Troubles Sheet 1 of 5 ...
Страница 272: ...MAINTENANCE 4 13 Clearing Switched Loop 2 of 5 Console Troubles Sheet 4 95 ...
Страница 273: ...MAINTENANCE Figure 4 13 Clearing Switched 3 of 5 Loop Attendant Console Troubles Sheet 4 96 ...
Страница 274: ...MAINTENANCE 4 13 Clearing Switched 4 of 5 Console Troubles 4 97 ...
Страница 305: ...APPENDIX C System Additions or Changes Figure C 1 Typical System 25 Port Circuit Pack C 4 November 1995 ...
Страница 321: ...APPENDIX E Administration Codes and Data This page is intentionally blank E 2 b ...
Страница 341: ...APPENDIX E Administration Codes and Data Table E J MET Set Button Defaults Cannot be changed E 22 ...