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Contents
Introduction
1.1
Central Control Unit
1.1.1
1.1.2
Systemphone
Telephones
1.1.3
Modes of working
1.1.4
Ringing defaults
1.1.5
1.1.6
Electro-static Precautions (ESP)
2.1
Installation procedures
Equipment required
2.1.1
2.1.2
Location for Central Control Unit
2.1.3
Mounting the CCU
The mains supply
2.1.4
Extension System phones
2.1.5
Extension telephones
2.1.6
2.1.7
Cabling and wiring
Connecting the extensions
2.1.8
Connecting the exchange lines
2.1.9
Connecting extension bells/tone callers
2.1.10
2.1.11
External extensions
Earthing
2.1.12
2.1.13
Setting the CCU DIL switches
Line voltage feed
2.1.14
Answering machines with System phones
2.1.15
3 .1
Subsidiary connection (piggy-backing)
4.1
Safety precautions and switch on
Programming
5.1
6.1
Commissioning the system
Commissioning procedure with line connected
6.1.1
Commissioning procedure prior to lines being connected
6.1.2
6.1.3
Commissioning procedure with no lines connected
Faulting and maintenance
7 .1
8.1
Tones and ringing
Numbering plan
9.1
10.1
Statutory information
Notes
10.2
TPU 1371Issue3(4/91)
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. 1-1
. 1-1
. 1-1
. 1-1
. 1-1
. 1-4
. 1-5
. 2-1
. 2-1
. 2-1
. 2-1
. 2-3
. 2-4
. 2-5
. 2-5
. 2-6
. 2-8
. 2-8
. 2-8
. 2-9
. 2-9
. 2-12
. 2-13
. 3-1
. 4-1
. 5-1
. 6-1
. 6-1
. 6-2
. 6-3
. 7-1
. 8-1
. 9-1
10-1
10-3
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