Description
When your phone system goes down and the power goes out, the Viking PF-6A keeps your team connected by automatically switching six single-line phones directly to live CO trunks — no manual intervention needed.
The PF-6A bridges the gap between a full phone system failure and complete communication loss. It connects up to six pre-assigned single-line station phones directly to user-assigned CO trunks the moment power fails, and its built-in ground start converter means you can still make outbound calls from standard loop-start phones. When your system comes back online, any calls in progress stay connected, and phones are quietly reconnected to their original station circuits only after those calls end.
Beyond power failure protection, the PF-6A can also be triggered by an alarm contact opening or closing, or by a manual closure, giving you flexible deployment options for security-sensitive facilities, call centers, and any business that cannot afford a communication blackout during an outage. It also doubles as a ground start to loop start line converter for up to six incoming lines.
Our Expert Take: The PF-6A is a straightforward but genuinely valuable piece of infrastructure insurance. The detail most buyers appreciate after installation is that calls in progress survive the system restoration — there's no awkward drop the moment power returns. If your facility uses ground start CO trunks but needs loop-start compatibility at the phones, the built-in converter makes this a two-for-one solution. Made in the USA with a one-year manufacturer's warranty, it's a solid fit for medical offices, small business phone rooms, or any site where losing outbound dialing during an emergency is simply not an option.
Key Features
- Automatically connects 6 pre-assigned single-line station phones directly to user-assigned CO trunks during power or phone system outages
- Built-in ground start converter enables outbound calls from standard loop-start phones
- Calls in progress are not dropped when the system is restored
- Phones are reconnected to their original station circuits only after calls become idle
- Configurable to activate on power loss, alarm contact opening/closing, or manual closure
- Can convert up to six incoming ground start lines to loop start lines
- One-year manufacturer's warranty
- Made in the USA
Technical Specifications
- Station Ports: 6 pre-assigned single-line phones
- CO Trunk Ports: 6 user-assigned CO trunks
- Line Type Support: Ground start and loop start
- Trigger Modes: Power loss, alarm contact (open/close), or manual closure
- Warranty: 1 year manufacturer's warranty
- Origin: Made in the USA