CeBIT Reference Board with registration: Low-cost ISDN Card S-Bus

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CeBIT Reference Board with registration: Low-cost ISDN Card S-Bus

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trade press Munich, March 1998
CeBIT
Reference Board with registration: Low-cost ISDN Card S-Bus Interface Technology Siemens Semiconductors recently received (German Telecom Approval Authority) registration from German telecommunications authorities passive ISDN card reference board named SIPB 72115 this board ISDN terminal adapter. This reference board ready copy solution based capacitive coupling which used develop very cost-effective passive ISDN card based IPAC (ISDN Adapter Circuit, 2115) from Siemens Semiconductors. approval clearly demonstrates IPAC's unique capabilities operate inexpensive capacitive coupling solution receive path ISDN interface. addition entire hardware data (circuit diagram etc.) also incorporates full CAPI ISDN software package. SIPB 72115 jointly developed with Stollmann GmbH Hamburg/Germany. Core element entire board IPAC (PSB 2115) chip from Siemens Semiconductors which massively decreases costs external components resulting significant reduction overall cost ISDN interfaces PCs. enabling device, IPAC, uses specific chip technology which Siemens just issued patent application. This technology allows significant increase sensivity voltage recognition which increased from common relation transmission relation 1:1. transceiver IPAC only needs transformer (voltage transmission ratio 1:2) send path while very cost-effective high voltage capacitors (voltage transmission -2Siemens Corporate Communications Press Office Reference number: 0398.017 Press Office Semiconductors Katja Schlendorf Postfach D-81617 Munich Tel.: ++49 636-28480, Fax: -28482 E-mail: katja.schlendorf@uk.siemens.de
-2ratio 1:1) used receive path. Practically this means that receive transformer well choke elliminated. Both these passive components significant cost factor require substantial amount board space applications like ISDN cards ISDN data access. Engineers currently using highly-accepted industry standard solution consisting 2186 ISDN Access Controller 82525 HDLC Controller easily adapt their entire already existing software their new, smaller cheaper 2115 IPAC board solution simple cost-effective integration path. This chipset selling high volumes major market share more than world market passive ISDN cards. However, IPAC only solution passive cards. When low-cost standard controller such Siemens' C161 added, also possible active cards using IPAC. adding two-channel signal codec filter 2132 (SICOFI-2CE) this active board also used terminal adapter. Together with PITA chip (PCI Adapter Telephone Data Applications, 4600) from Siemens IPAC used ISDN cards with interface according PC98 standard. 2115 available either P-MQFP-64 P-TQFP-64 package. Siemens' Semiconductor Group leading worldwide provider integrated circuits, memory products, components discrete, power opto semiconductors. comprehensive product line Siemens Semiconductors serves wide range customers active telecommunications, automation, data processing, automotive consumer electronics. Siemens market leader Chipcard ICs. fiscal 1996/97, Semiconductor Group achieved sales $3.5 billion billion) employed 22,600 people worldwide.
Siemens Corporate Communications Press Office
Reference number: 0398.017 Press Office Semiconductors Katja Schlendorf Postfach D-81617 Munich Tel.: ++49 636-28480, Fax: -28482 E-mail: katja.schlendorf@uk.siemens.de

CeBIT Reference Board with registration: Low-cost ISDN Card S-Bus

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