Introducing The
Digital Telephone System
Section Title............................................................................................ Page
1.1 Using This Manual......................................................................................12
1.2 Using Related Publications.........................................................................13
1.2.1 Locating User Information ......................................................................13
1.3 Accessory Information................................................................................15
1.3.1 The Analog Terminal Interface .............................................................. 15
1.3.2 Headset Operation ...................................................................................15
1.3.3 Battery Back Up ......................................................................................16
1.3.4 DSS/BLF Console ...................................................................................16
1.3.5 Caller ID ..................................................................................................16
1.3.6 Tracker.....................................................................................................16
1.3.7 DVA.........................................................................................................16
1.3.8 DIU..........................................................................................................16
1.4 Hardware Summary...................................................................................17
1.5 Common Equipment Description..............................................................18
1.6 Station Descriptions..................................................................................110
1.6.1 DigiTech Telephone Descriptions.........................................................110
1.6.2 Impact Telephone Descriptions.............................................................112
1.6.3 Impression Telephone Descriptions ......................................................114
1.6.4 Station Controls and Indicators .............................................................116
1.7 General Specifications ..............................................................................119
1.7.1 Feature Codes ........................................................................................122
1.7.2 System Ringing Patterns........................................................................124
1.8 Seeking Repair Assistance........................................................................125
1
IMI66–107 Digital Telephone System
Introducing The DSU 1 – 1