- 3 Zone one-way page control - Provides tandem all call - Background music input, automatically mutes in zonebeing 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 - UL listed - To interface with analog extension or Centrexline 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 phoneset - Input impedance: 600 ohm - Music sourceimpedance: 4 to 600 ohm - Music input level: -10dBm nominal - DC output: -24 Vdc @ 500 mA - Power requirements: 230 Vac/.5A or 120 Vac/1A - Weight: 6.25lbs - Dimensions: 7.1"H x 10"W x 3"D - VALCOM POWER UNITS (+20)