File:Crossbar-200pt-hy3.jpg
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I, the copyright holder of this work, hereby publish it under the following license:
Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled GNU Free Documentation License.http://www.gnu.org/copyleft/fdl.htmlGFDLGNU Free Documentation Licensetruetrue |
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Bell System Type B crossbar switches, 200 point, of a kind made in the 1960s and early 1970s. View of a Link Link frame at crossbar No. 5 office. A Circuit Advance cord, or remote control for the Master Test Frame, hangs at the right.
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 02:24, 10 November 2007 | 621 × 789 (169 KB) | Yeatesh (talk | contribs) | Crossbar switches, 200-point. View of a Line Link frame in a Crossbar 5 office. | |
13:28, 9 November 2007 | 621 × 789 (169 KB) | Yeatesh (talk | contribs) | Crossbar switches, 200 point. View of a Link Link frame at crossbar No. 5 office. |
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