Power Failure Protection

System Availability: All systems

The Strata CIX has important optional capabilities that keep the system operating when commercial AC power is interrupted.

Power Failure Transfer

The Strata CIX can immediately switch loop start analog CO lines directly to dedicated standard telephones (customer-provided 2500- or 500-type) for incoming and outgoing calls in the case of a commercial AC power failure. The transfer is automatic with no manual transfer procedure required. During normal operation with AC power, the Power Failure telephones function with all Strata CIX features available to a normal standard telephone. This feature requires a Toshiba supplied external unit called the Power Failure Transfer Unit (DPFT-102) on CIX100, CIX200 and CIX670 (the CIX200 can also use the Toshiba supplied LPFU1A). The CIX40 provides one built- in PFCT relay for CO Line 1 and the base unit standard telephone circuit.

Reserve Power Battery Backup

An Uninterruptible Power Supply (UPS) is required for power backup on a CIX200. The UPS is similar to the ones used for Computer systems and Networking equipment. Two or four 12-volt gel-cell, maintenance-free batteries can be connected to the CIX40, CIX100, CIX670 system power supplies for system battery backup (80 amps./hours max.). The CIX670 system power supply is standard-equipped with a battery charger and the batteries continuously trickle charge to capacity while electrical power is present. The CIX100 power supplies must be equipped with the optional ABCS battery charger to charge reserve power batteries.

If the AC power fails, the Strata system automatically switches over to battery power without any interruption in operation. Calls in progress are not interrupted. Battery operation duration depends upon the condition and ampere hour rating of the batteries and the system load. However, the minimum battery operation time would be several hours. Connection of reserve power batteries must be made when commercial AC power is available.