2. CB901 Product Presentation CB901 Product Presentation Brought to you by:

3. System CB901  Up to 30 nodes, each with 240 lines  15 duplex conversation channels per node  8 program distribution channels  Software (PC) feature programming  Various station types, masters and subs.  Extensive range of features; standard, system, individual and interface.  Fully flexible numbering plan, 2, 3, 4, 5 or 6 digit dialing.  Easy installation, 2 pair cable in star network  Analogue or digital (fiber) node interconnection for global communication

4. System CB901

6. CB901 Installation Up to 240 stations per node (up to 30 nodes - 7170 nos.) Distance from station to central unit (w/local power): 400 m Distance from station to central unit (w/remote power): 2 km CB901 Central unit Power Supply, 24VDC Power Supply, 24VDC Star Network

7. System CB901

8. System CB901-2

9. System CB901-3

10. System CB901-M

11. Global Communication System

12. Analogue or digital (2Mbit/s) interconnection of systems CB901-2, CB901-3 or CB901-M. Analogue: 18 pair cable, (distance 1.5 km). Digital: 2 pair cable (distance 1.5 km) or 2 Fiber optic, (distance 7.2 km). Global digital communication with Multiplexors

13. CB901 Features Hands free/Loud speaking Confidential T-button for manual control /simplex Microphone cut-off Camp on to busy extensions Call last caller Last number redial Privacy Hurry up

14. CB901 Features Alarm Channels Call Number Devices Call Number Privileges Direct Dialing Direct Access Priority All Call Group Call Conference Direct Conference Dialing

15. CB901 Features Hunt Secretary Transfer Call Forward Central Answering Service (CAS) Call Back Call Reply Sectoring/Portioning Open Station Call Transfer Absence Registration

16. CB901 Features Caller Identification Speed Call Phone Book Message Display Door Access Remote Dialing Remote Control Free Seating Data transmission (for remote control) Multi-channel Program Distribution - group call channels/information channels

17. CB901 Features Radio paging Public address Intersystem Tie-Line Two-way mobile radio Cordless phone Telephone PTT network Voice messaging

18. CB901 Features Programming Switch programming: - 2 switch packages (16 switches) Master station programming: - change of call numbers Personal Computer programming, SVT - system configuration, feature programming, up-/download feature

19. CB901 Applications

20. At Alpha Communications ® we are here for your communication needs. Please feel free to contact us anytime with any questions or system requirements you may have. We can be reached TOLL-FREE at 1-800-666-4800. We are also on-line at www.intercoms.com and info@alpha-comm.com. We look forward to hearing from you and helping you with your next system. Copyright ©2000 Alpha Communications ® `