FACC-WDL-SC-666158-EM-0500

Definition Telephone Switch Bank Multiple

An item which consists of a number of telephone switch bank assemblies wired in multiple to a terminal board at one end as a complete unit. Each switch bank assembly is composed of a series of fixed contacts which form a portion of a single or two motion telephone stepping switch. The complete item is intended to be mounted on a switch shelf in a dial type central office.