NEC Electra Elite IPK General Description Manual

Also see for ElectraElite IPK: User manual User guide User guide User guide Attendant user guide

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NEC Electra Elite IPK General Description Manual Manual pdf 144 page image

Electra Elite IPK Document Revision 4General Description Manual 5 - 15______________________________________________________________________________________________________________________________________________________________________SECTION 7 O UTSIDE L INE TYPESThe following outside lines can be used with the Electra Elite IPK system. 2-wire, Loop Start or Ground Start Trunks 2-wire, 2-way DID Lines (Dial Pulse or DTMF) 4-wire, E&M Tie Lines (Type I or V, Dial Pulse, or DTMF) Digital Trunk T1/FT1 (Loop Start, Ground Start, Tie Line (E&M), or DIDSignaling) ISDN-BRI Trunks ISDN-PRI Trunks VoIP Trunks (Internet Protocols)SECTION 8 N ETWORK AND C ONTROL8.1 Transmission, Network, and Control Specifications8.1.1 Transmission Data Length:From Multiline Terminal to ESI(8)-U( ) ETU: 23 bitsFrom ESI(8)-U( ) ETU to Multiline Terminal: 23 bits Data Transmission Rates:Between ESI(8)-U( ) ETU and Multiline Terminal: 184K bps(voice and signaling) Scanning Time for each Multiline Terminal: 32 ms.8.1.2 NetworkTime Division Multiplexing (TDM) allows transmission of a number ofseparate data and voice simultaneously over one communicationsmedium. The information below indicates the specifications theElectra Elite IPK system uses for switching, clock, data bus,timeframe. TDM Switching: PCM (μ Law) TDM Clock: 2.048 MHz TDM Data Bus: 8 bit TDM Timeframe: 125 μs.