- 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: 10.9""H x 13""W x 2.7""D- VALCOM POWER UNITS (+30)