ISDN-oriented Modular Interface: Difference between revisions

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'''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]]) 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:

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* DD (data downstream)

==References==

* {{Cite book| year=1991 | title=ICs for Communications, IOM–2 Internal Reference Guide | publisher=Siemens AG}}

* {{Cite book| year=19941991 | title=ICs for Communications, ISDNIOM–2 SubscriberInterface AccessReference ControllerGuide for| Terminals,publisher=Siemens ISAC–STE,AG PSB2186| User’sid= ManualOrder |Number publisher=Siemens AGB115-H6397-X-X-7600}}

* {{Cite book| year=19911994 | title=ICs for Communications, IOM–2ISDN InternalSubscriber ReferenceAccess GuideController for Terminals, ISAC–STE, PSB2186 User's Manual | publisher=Siemens AG}}

* {{Cite book| last=Georg | first=Otfried | year=2000 | title=Telekommunikationstechnik | publisher=Springer | ISBNisbn= 978-3-540-66845-4, 97835406684599 }} (in German, p. 278ff give an overview and some application examples)

[[Category:Integrated Services Digital Network]]