6 Zone one way analog page control All call Background music input, automatically mutes in zone being paged Page override for special priority announcements Features are programmable per zone Built in tone generator for night ringing, time clock tone, doorbell Accepts pulse and tone dial Battery back up input Built in power UL listed To interface with analog extension or Centrex line add the VC V 9970 Access page port on selected telephone systems, PBX loop start or ground start trunk port, electronic or 1A2 line key line card required , or dedicated single line phone set Input impedance 600 ohm Music source impedance 4 to 600 ohm Music input level 10dBm nominal DC output 24 Vdc 1.5A Power requirements 230 Vac/1A or 120 Vac/2A Weight 10lbs Dimensions 10.9H x 13W x 2.7D VALCOM POWER UNITS 30