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187:, video, or data) pass, with the ability to arbitrarily route and connect sources and destinations between studios and other internal and external points. Connections can either be soldered, or made using terminal blocks. Because the frame may carry live broadcast signals, it may be considered part of the airchain.
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Distribution frames may grow to extremely large sizes. In major installations, audio distribution frames can have as many as 10,000 incoming and outgoing separate copper wires (
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stations) at the same time. Multiple smaller frames, such as one for each studio, can be linked together with fibre-optics (which also helps eliminate
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is a passive device which terminates cables, allowing arbitrary interconnections to be made.
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for each signal). Telephone signals do not use a separate earth ground wire, but some urban
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on the one hand, and cables leading to active equipment (such as DSLAMs and
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Distribution frames for specific types of signals often have specific
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Unshielded twisted pair (copper) and optical fiber distribution frame
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is a location within an apparatus room through which all signals (
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can act as control points for a distribution frame or
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Place at which telecommunications cables interconnect
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160:) on the other. Service is provided to a
109:Learn how and when to remove this message
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45:Please improve this article by adding
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133:An optical fiber distribution frame
267:Automated Main Distribution Frames
261:have about 250,000 wires on their
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194:(BDF) houses data switches, etc.
152:terminates the cables leading to
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321:Intermediate distribution frame
253:signals require two wires plus
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190:In data communication, a
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150:telephone central office
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172:or POTS line circuit.
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34:relies excessively on
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164:by manually wiring a
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58:"Distribution frame"
387:Telephony equipment
360:US patent 7,142,765
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158:telephone switches
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139:telecommunications
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32:This article
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293:ground loops
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255:earth ground
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229:ODF or OFDF—
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331:Patch panel
295:), or with
204:initialisms
154:subscribers
376:Categories
347:References
162:subscriber
69:newspapers
36:references
336:Splicebox
259:exchanges
99:July 2008
315:See also
309:ceilings
274:digital
212:digital
83:scholar
305:floors
281:router
272:Newer
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301:walls
285:radio
238:voice
198:Types
185:audio
90:JSTOR
76:books
307:and
236:VDF—
210:DDF—
179:, a
141:, a
62:news
287:or
263:MDF
224:MDF
218:IDF
175:In
170:DSL
137:In
38:to
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289:TV
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362:—
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106:(
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97:(
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