AT&T Miscellaneous Switching Systems
(last updated: 16-May-2015 09:31)
Step-by-Step
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EOBS2 pgs 398-399, 400, 400-402, 454, 461, 463.
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"New Step-By-Step Equipment", BLR 5:1 Sep 1927 pgs 7-11.
Panel
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EOBS pgs 238-239.
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EOBS2 pgs 399,400.
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"The Panel System", BLR 9:11 Jul 1931 pgs 523-528.
No. 1 Crossbar (1XB)
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EOBS pgs 240-243.
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EOBS2 pgs 399,402-406, 447-448, 448-450, 454, 461.
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"Crossbar Dial Telephone Switching System", BSTJ 18:1 Jan 1939 pgs
76-118.
Crossbar Tandem (XBT)
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EOBS pgs 267-268.
3CL Toll Boards
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EOBS2 pgs 438-439.
Traffic Service Position (TSP)
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EOBS2 pg 438.
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"Crossbar Tandem TSP", BLR 42:5 May 1964 pgs 146-151.
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"Designing the Traffic Service Position Console", BLR 42:6 June 1964
pgs 208-212.