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DBS-2.3/9.2-300
DBS Manual - Revised April 2000
4-1
Chapter 4. Trunks and Lines
This chapter describes trunk and line installation. Some peripheral equipment
also requires trunk and/or line interfaces (for example, door phones or power
failure units). See Chapter 5 for instructions on connecting peripheral
equipment through trunks or lines.
This chapter covers the following topics::
Topic
Page
Trunks
4-3
Loop-Start Trunks
4-7
Ground Start and DID Trunks
4-9
T1 Interface
4-11
Lines
4-31
Analog Extensions
4-37
Digital Extensions
4-41
DSS/72
4-41
EM/24
4-43
Trunk and Line Expansion
4-44
Summary of Contents for CPC-EX
Page 12: ...About This Manual Section 300 Installation xii DBS Manual Revised April 2000 DBS 2 3 9 2 300 ...
Page 20: ...2 2 DBS Manual Revised April 2000 DBS 2 3 9 2 300 ...
Page 30: ...3 2 DBS Manual Revised April 2000 DBS 2 3 9 2 300 ...
Page 50: ...4 2 DBS Manual Revised April 2000 DBS 2 3 9 2 300 ...
Page 94: ......
Page 96: ...5 2 DBS Manual Revised April 2000 DBS 2 3 9 2 300 ...
Page 132: ...6 2 DBS Manual Revised April 2000 DBS 2 3 9 2 300 ...
Page 144: ...7 2 DBS Manual Revised April 2000 DBS 2 3 9 2 300 ...
Page 204: ...Index Section 300 Installation Index 8 DBS Manual Revised April 2000 DBS 2 3 9 2 300 ...