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Module installation 31
Module installation
Key System Unit (KSU)
The Key Service Unit (KSU) is the hub of the Not-star System. It
can function on its own as a basic system (with up to 24
telephones and eight external lines). The system may also be
expanded with any combination of up to six Trunk Modules
and/or Station Modules.
LED
CO Lines
connector
Feature cartridge (2 parts)
Cable clips
Stations
connector
Expansion cartridge
cartridge shown)
Half-size
Cable trough
Modular DR5 Installer Guide
Summary of Contents for DR5
Page 2: ......
Page 45: ...Module installation 39 Installing the cable troughs Modular DR5 Installer Guide ...
Page 76: ...70 Telephone relocation and replacement Modular DR5 Installer Guide ...
Page 164: ...158 Set Copy ...
Page 244: ...238 Problems with optional equipment Modular DR5 Installer Guide ...
Page 266: ...260 Glossary Modular DR5 Installer Guide ...
Page 294: ...12 Call Display services Modular DR5 System Coordinator Guide ...
Page 516: ...234 Glossary Modular DR5 System Coordinator Guide ...
Page 526: ...244 Index Modular DR5 System Coordinator Guide ...
Page 529: ... I J I I I I I I ...