Grows with you : Modular system , with additional cards and cabinets allow you to expand the system to meet your changing needs .

Cost effective performance : With IP technology allow you to connect branch offices at minimal cost while using the same lines for voce and data .

Mobile Flexibility  : Ready to connect with optional DECT ( Digital Enhanced Cordless Telephone ) , let you stay connected even while away from your desk .

Cutting edge technologies  : VOIP compatibility , diigiital and wireless telephone and computer integration bring your telephone system into 21^st century .

Specification : External Battery back up : +36 Volt ( 3 x 12 V ) , built in intrerface  Dialing method : Extension or Trunk  DP ( 10 / 20 pps ) , DTMF . Connector extension & trunk , Amphenol Ring frequency : 20 / 25 Hz ( selectable ) , Central Office Loop limit : 1600 ohm max . External Paging : 2 ports . Serial Interface Port  : USB 1 port ; RS-232C 1 port ( 115.2 kbps ) . Structure : Free Slot  style , can be accommodated into 19" rack ,

System Capacity : Extension variant , single line telephone ( any brand )  max . 640 ( 4 shelf system ) , digital proprietary telephone ( KX-T7600 series ) 640 , Analog proprietary Telephone  320 , IP proprietary phone  640 , Trunk port 640 , ISDN trunlk 600 , IP Gateway 640 , Wireless system :  Portable Station 512 , Call Staion 128 , Doorphone 64 , PC console 8 , PC phone 128