Viking Electronics Power Fail Switch or Ground to VK-PF-6A

• Viking power fail bypass system
• Makes it possible to receive calls during phone system and power outages
• Connects 6 pre-assigned single line station phones directly to user-assigned CO trunks
• Built in ground-start converter permits outbound calls from standard phones
• When system is restored, calls in progress are not lost
• Reconnects phones to their station circuits after they become idle
• Can be configured to operate when power is lost or from an opening/closing of an alarm contact or manual closure
• Can be used to convert six incoming ground start lines to loop-start lines
• One year manufacturer's warranty
• Made in the USA