System Hardware Manual 1 - 1A6-324000-642-01 – Release 4.0May 2001Introduction Chapter 1SECTION 1GENERALINFORMATION1.1 Unique DesignThe Xen Series of Key Telephone Systems have the power to meetthe ever-changing demands of today’s business communications.The unique, compact design allows the system to be easily andquickly installed.The Xen systems can grow with your business. You can easily andeconomically increase port size whenever necessary. The XenMaster can accommodate one basic and two expansion KSUs toprovide a total of 192 ports. The Xen Axis can be expanded up to 48ports with one single KSU, or can be transformed into a Xen systemwith minimum effort and expense. Most cards and telephones arecompatible with both the Xen Master and Xen Axis systems.Xen is a feature-rich system that provides telephone functions andsupports advanced features such as:✆ Computer Telephony Integration (CTI)✆ Least Cost Routing (LCR)✆ Automatic Call Distribution (ACD) (Xen Master only)✆ ISDN-BRI and ISDN-PRI Voice Trunks✆ LAN/KTS Cabling Integration✆ Caller ID✆ Live Recording and Live Monitoring✆ PC Attendant Console✆ Integrated Digital Voice Mail✆ Multilingual LCD Indication✆ Multiline Conference BridgeThe Xen systems offer a variety of Multiline Terminals which arecompatible with both the Master and Axis systems. These MultilineTerminals are available in 8-button, 16-button and 32-buttoncapacities and are offered as display and non-display models. A 60-button Attendant Console is also available.A customer with existing ETW terminals can easily connect them tothe Xen system, providing inexpensive migration from the NECRanger NDK/DK systems. Most Xen system features are availablewith the ETW-type Multiline Terminals.