ISDN-oriented Modular Interface: Difference between revisions

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Line 1: {{no footnotes\|date=September 2012}} '''ISDN-oriented Modular Interface''' (IOM) is a system architecture and its bus for communication between various [[VLSI]] [[ICIntegrated circuit\|ICs]]s for the lower layers (ref. [[~~OSI_model~~OSI model]]) of [[ISDN]]. It was developed by [[Siemens]] (today: [[Infineon]]), current revision is IOM-2. Its purpose is to enable modularity. Second sources are [[AMD]], [[Alcatel-Lucent\|Alcatel]], [[Plessey]]. IOM-2 is a 4-wire serial, full-duplex link. 2 operation modes are available: line card mode and terminal mode; which differ only in number and purpose of the channels. Signals are: * DCL (data clock, ~~16kHz~~16 kHz * N, where N = number of channels) * FSC (frame sync, ~~8kHz~~8 kHz) * DU (data upstream) * DD (data downstream) ==References== * {{Cite book\| year=1991 \| title=ICs for Communications, IOM–2 ~~Internal~~Interface Reference Guide \| publisher=Siemens AG \| id= Order Number B115-H6397-X-X-7600}}▼ * {{Cite book\| year=1994 \| title=ICs for Communications, ISDN Subscriber Access Controller for Terminals, ISAC–STE, PSB2186 ~~User’s~~User's Manual \| publisher=Siemens AG}}▼ * {{Cite book\| last=Georg \| first=Otfried \| year=2000 \| title=Telekommunikationstechnik \| publisher=Springer \| ~~ISBN~~isbn= ~~3540668454, 9783540668459~~978-3-540-66845-9 }} (in German, p.  278ff give an overview and some application examples)▼ [[Category:Integrated Services Digital Network]] ▲* {{Cite book\| year=1991 \| title=ICs for Communications, IOM–2 Internal Reference Guide \| publisher=Siemens AG}} ▲* {{Cite book\| year=1994 \| title=ICs for Communications, ISDN Subscriber Access Controller for Terminals, ISAC–STE, PSB2186 User’s Manual \| publisher=Siemens AG}} ▲* {{Cite book\| last=Georg \| first=Otfried \| year=2000 \| title=Telekommunikationstechnik \| publisher=Springer \| ISBN= 3540668454, 9783540668459 }} (in German, p. 278ff give an overview and some application examples)