Division 250: Operator and Traffic Service Positioning Systems

Section Date Issue Size Title

250-103-501PT X1 1981-11-01 A 306.64 KB Delayed Call Trunk, Service Observing Access Circuit and Operator Service Trunk - Operational and Transmission Tests and Adjustments - Traffic Service Position System No. 1

Section	Date	Issue	Size	Title
250-103-501PT X1	1981-11-01	A	306.64 KB	Delayed Call Trunk, Service Observing Access Circuit and Operator Service Trunk - Operational and Transmission Tests and Adjustments - Traffic Service Position System No. 1