Spceifications | System Features | Station Features DK-80 System Specifications Item Card DK-80 Trunk Port   Max. 20 Ports (4 ports per card) Extension Port   Max. 64 Ports (8 ports per card) CPU Board 1 ROM:512KB, SRAM: 512KB(battery backup),     Music Source, Conference Call (4 parties) Function Board A 1 Voice DISA (4 minutes), 4 Digital Voice Mail Channels (360 minutes), 1 RS-232 Interface, 3 Relay Ports, 1 Door phone Function Board B 1 Voice DISA (4 minutes), 1 RS-232 Interface, 3 Relay Port, 1 Door phone Loop Trunk Board 1~4 4 Loop-start Trunk Port, 1 Power Failure Transfer Digital Extension Board 1~8 8 Ports per Card Single Line Phone Board 1~8 8 Ports per Card Dimension (mm)   430(L)x290(D)x120(H) Temperature   0¢J to 40¢J Humidity   30¢H to 90¢H Non-condensing Power Requirements   90VAC ~ 240VAC 60Hz / 50Hz Single Line Phone Loop Resistance   420 Ohms (not include phone)       System Features Alarm-System Conference Programmable Flash Time Auto Redial DTMF / Pulse Compatibility Remote Programming Auto C.O. Hold Flexible Ring Assignment Speed Dialing Auto Fax Detection Hold Recall System Battery Backup ARS / LCR Last Number Redial Toll Restriction Account Code Line Queuing Auto Attendant (DISA) Background Music Long Speech Restriction Caller ID Broker¡¦s Call Message Waiting Door Phone / Lock C.O. To C.O. Music On Hold Source Intelligent Voice Mail Call Forward Night Mode Service Relay Control Call Hold Night Transfer Service SMDR Call Park On Call Programming External Audio Interface Call Pickup Override Call RS-232 Call Screen Page Station Template Call Transfer Power Failure Phone Live Recording Common Ring Private Line Switching Power Station Features Absent Message Executive Override Station Lock Alarm Clock Headset Connection Two Color LED Indicator Auto C.O. Hunting Intercom Auto Reply Voice Or Ring Call Direct Station Selection On Hook Dialing Music Ring Call Do Not Disturb One Touch Speed Dialing Loud Speaker Electronic Volume Control Programmable Feature Keys Monitor Executive Hold Programmable Ring Macro Key DK-100 | DK-80 | DK-310 | DK-816 | DKT500 | Copyright © 2003 FCI, Inc. All rights reserved.