PC-5B, standard for station installations.

Bibliographic Details
Corporate Author:	United States. Rural Electrification Administration
Format:	Government Document Book
Language:	English
Published:	[Washington, D.C.] : U.S. Dept. of Agriculture, Rural Electrification Administration, 1981.
Series:	REA bulletin ; 345-52.
Subjects:	Telephone > United States > Equipment and supplies. Telephone lines > Standards > United States.

Evans: US Documents (Annex 5th floor)