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Bell System No 1 ESS TODAY 1974
the ESS control as actual paths in use, and both version has been manufactured for use in 4 wire contribute CCS usage. AUTOVON switching offices. Because the ESS central processor maintains records of link busy While . the line is held on the CDR after...
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USAF tacp 55-43 Dec71 - Ch 5 - Telephone Equipment
over switched trunks, and pre emption privileges for key personnel. Special interface equipment make it compatible with AUTOVON, Army, Commercial and current manual switchboards. CAPABILlIY: 384 subscriber and trunk terminals. FREQUENCY RANGE: N A POWER...
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540-310-501 i1 Feb66 - PBX Access Line Ckt SD-5E000-01 - Opr Tests
are transferred to systems when the PBX must operate with a the switchboard by the station. 4 wire switching center such as AUTOVON. These tests enable a confidence check to be made E. ROUTINE Listed Number Call: This test of the line circuit by...
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480-325-101 i2 Dec 1967 KS 19557 Detector (Nuclear Blast) Description
7 Continued ( Sheet 2 of 2) JKL Museum of Telephony | www.jklmuseum.com Page 1 2 1 2 Pages Atomic Blast Detector from AT&T Autovon Site at Lyons, Nebraska Cast Iron Enclosure (Top= 90 lbs) (Base= 150 lbs) Aluminum Reflective Chamber Potassium Acid...
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536-070-512 i1 Dec65 - 507A, 507B PBX - In-service Tests Tl
Issue 1, December 1965. Autovon Acc Ln Tsts, References SD 66918 01
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Telephone Collectors International was incorporated under the laws of the state of Kansas on May 13, 1986. The goal of the organization is "to educate the public, as well as the members of the Corporation, regarding the history of telephony, the value of old telephones and related items, their collectability and preservation; to research telephone history and publish and provide literature thereon; to promote the public exhibition of old telephones and related items; and to promote common courtesies and guidelines for use by the public." Telephone Collectors International is recognized by the Internal Revenue Service as a 501(c)(3) organization, to which U.S. tax deductible contributions can be made.