Description
Managing announcements across multiple areas of your facility shouldn't require a complex setup or constant manual switching — the Viking ZPI-4 puts four-zone paging control right at your fingertips using nothing more than Touch Tone commands.
The ZPI-4 is a four-zone Touch Tone controlled paging system that can switch either a line level signal to external amplifiers or an amplified signal directly to speakers, giving you flexibility in how your system is built out. Balanced audio circuitry throughout keeps noise low and ensures clean compatibility with balanced paging inputs and outputs. Separate level controls for paging and background music let you fine-tune each independently, and background music automatically mutes in any paged zone so announcements always come through clearly. A built-in night bell with adjustable level activates from a dry contact closure, a ringing C.O. line, or a ringing analog PABX/KSU station port — a practical feature for after-hours alerting without additional hardware.
The ZPI-4 fits naturally into manufacturing facilities, multilevel warehouses, multi-building office complexes, and any environment running Centrex or traditional phone systems with paging ports or unused analog station ports. It interfaces with ringing C.O. lines, Centrex, paging ports, unused trunk inputs, and ringing analog station ports, making integration into existing infrastructure straightforward.
Our Expert Take: The ZPI-4 is a smart pick for facilities that need reliable multi-zone paging without investing in a full IP paging overhaul. The ability to expand from four to eight zones is a genuine advantage if your operation grows, and the all-call plus five group call patterns give you enough flexibility for most commercial or light industrial environments. One thing worth noting: amplifiers are not included, so plan your system build-out accordingly based on whether you're driving line-level inputs or direct speaker loads. The screw terminal connections make installation clean and serviceable without proprietary connectors.
Key Features
- Touch Tone control of four zones, expandable to 8 zones
- Switches line level signal to amplifiers or amplified signal to speakers (amplifiers not included)
- Balanced audio circuitry throughout for low noise and compatibility with balanced paging system inputs and outputs
- All-call and five group call patterns selectable by Touch Tones
- Background music input with separate paging and background music level adjustments; music auto-mutes in paged zones
- Night bell warble with adjustable level — activated by dry contact closure, ringing C.O. line, or ringing analog PABX/KSU station
- Interfaces with ringing C.O. lines, Centrex, paging ports, unused trunk inputs, or ringing analog station ports
- Disconnects on timeout, silence, or CPC
- Adjustable page alert tone level
- 34 cage clamp screw terminals for all input and output connections
- Made in the USA with a 1-year warranty
Technical Specifications
- Power: 120V AC / 13.8V AC, 1.25A adapter provided
- Dimensions: 8.25″ x 6.25″ x 1.75″ (210mm x 159mm x 45mm)
- Shipping Weight: 3.2 lbs (1.5 kg)
- Operating Temperature: 32°F to 90°F (0°C to 32°C)
- Humidity: 5% to 95% non-condensing
- Relay Contacts: 5A @ 30V DC / 250V AC each
- Artificial Talk Battery Voltage: 24V DC
- REN: 0.5A
- Connections: 34 cage clamp screw terminals