Equipment Room Hardware And Cabling Installation
Table 3-H. Auxiliary Lead Appearances at 66-Type Cross-Connect
Field (Contd)
66-Type
System
System
Z1A
574-5
Conn
75 Auxiliary
75 XE Auxiliary
Emerg
Power
Block
Connector
Connector
Xfr Unit
Xfr Unit
Term
Outputs
Outputs
Outputs
Outputs
35
36
Not Connected
TK
TK
37
GND
38
48
LC
LC
39
GND
40
ACC Power
Not Connected
ST
ST
-48
41
GND
TC
COM1
42
-48
N01
43
TK
NC2
44
NC1
45
Not Connected
Ext Alarm A
COM2
46
Ext Alarm B
LC
N02
47
Not Connected
ST
COM3
48
NC3
49
GRD
50
INADS
INADS
PWR
-48V
Installing Sneak Fuse Panels
The sneak fuse panel (Figure 2-18) must be installed as near as
possible to the network interface. To install the sneak fuse panel,
proceed as follows:
1.
2.
3.
4.
Hold the panel against the mounting surface and mark the upper
right and lower left mounting screw locations.
Drill pilot holes at the marked locations, and partially install the 3/4
inch No. 12 screws.
Slide the sneak fuse panel onto the mounting screws and tighten
the screws.
Repeat the procedure for each sneak fuse panel.
3-63
Содержание System 75
Страница 1: ...AT T AT T System 75 and System 75 XE Wiring...
Страница 2: ...AT T AT T System 75 and System 75 XE Wiring 555 200 111 Issue 2 August 1989...
Страница 16: ...System Wiring Figure 1 2 System Uniform Wiring Plan 1 7...
Страница 17: ...CHAPTER 1 INTRODUCTION Figure 1 3 Sample Uniform Wiring Installation 1 8...
Страница 29: ...CHAPTER 2 HARDWARE 66 110 Type Figure 2 1 Block Diagram of System 75 or 75 XE Installation 2 2...
Страница 35: ...CHAPTER 2 HARDWARE 66 110 Type Figure 2 4 110A Type 100 Pair Terminal Block 2 8...
Страница 36: ...110 Type Hardware Description Figure 2 5 110A Type 300 Pair Terminal Block 2 9...
Страница 98: ...Typical System Equipment Room Floor Plans 3 15...
Страница 143: ...CHAPTER 3 EQUIPMENT ROOM DESIGN 3 60...
Страница 144: ...Equipment Room Hardware And Cabling Installation 3 61...
Страница 162: ...Equipment Room Hardware And Cabling Installation 3 79...
Страница 163: ...Equipment Room Hardware And Cabling Installation 3 80...
Страница 197: ...Tables Table 4 A Recommended Protectors 4 42 v...
Страница 203: ...CHAPTER 4 STATION WIRING Figure 4 4 3 Pair to 4 Pair Wiring Labeling From Equipment Room to Information Outlet 4 6...
Страница 205: ...CHAPTER 4 STATION WIRING Figure 4 5 4 Pair Station Wiring Labeling From Equipment Room to Information Outlet 4 8...
Страница 212: ...Adjunct Powering 4 15...
Страница 214: ...Adjunct Powering 4 17...
Страница 216: ...Patch Cord Jumper Installation And Administration 4 19...
Страница 241: ...CHAPTER 4 STATION WIRING 4 44...
Страница 244: ...Miscellaneous Wiring Installation 4 47...
Страница 246: ...Miscellaneous Wiring Installation 4 49...
Страница 252: ...Miscellaneous Wiring Installation 4 55...
Страница 254: ...Miscellaneous Wiring Installation 4 57...
Страница 277: ...CHAPTER 5 AUXILIARY EQUIPMENT INSTALLATION Figure 5 1 Connections for Loudspeaker Paging and Music on Hold 5 4...
Страница 314: ...CHAPTER 5 AUXILIARY EQUIPMENT INSTALLATION 5 41...
Страница 324: ...CHAPTER 5 AUXILIARY EQUIPMENT INSTALLATION 5 51...