CHAPTER 5. AUXILIARY EQUIPMENT INSTALLATION
Installing Processor lnterface/EIA Port
The processor interface circuit pack (TN765) provides a single EIA port
that allows access to one data link. Figures 5-31 and 5-32 show direct
connections and modem connections, respectively.
MAXIMUM*
PI/EIA
CABLING DISTANCE
PI/EIA
50'
TN765
TN765
CIRCUIT
CIRCUIT
PACK
PACK
SYSTEM 75
SYSTEM 75
OR 75 XE
OR 75 XE
* THE MAXIMUM DISTANCE LIMITATION FOR TWO
SYSTEM 75/75 XE IS 50 FEET WHEN DIRECTLY
CONNECTED WITH 24 AWG WIRE. REDUCING THE
MAXIMUM DISTANCE MAY BE NECESSARY IF
HIGHER GAUGE WIRE IS USED OR IF THE
CAPACITIVE LOAD ON THE LINE IS INCREASED.
IN GENERAL, THE SYSTEM 75/75 XE SHOULD
BE DIRECTLY CONNECTED BY THE SHORTEST
POSSIBLE CABLE.
Figure 5-31. Direct Connections for Processor Interface/EIA Ports
Between Two System 75s or 75 XEs
5-55
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...