Cabinet extension switch box, extension cord, test cord with test plug battery cord
Accessory Component Quantity
5
Electrical Power Source Relationship
Operating
Internal Battery Accommodation
Included
Material And Location
Wood carrying case
Inclosure Feature
Single item w/carrying case
Test Type For Which Designed
Is an automatic interrupter that provides simulated dial pulses for testing the operation of step by step dial central office switching equipment with simulated conditions of line loop resistance and leakage
Operating Test Capability
Transmits groups consisting of 9 pulses produced at the rate of 14 pulses per second
