NEC ELECTRA ELITE IPK II - Control; Electra Elite IPK Terminals and Equipment; Network

Electra Elite IPK II Document Revision 3
System Hardware Manual 3 - 27
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J Data Transmission Rates:
Between ESI(8)-U( ) ETU and Multiline Terminal: 184K bps
(voice and signaling)
J Scanning Time for each Multiline Terminal: 32 ms.
5.5.2 Network
Time Division Multiplexing (TDM) allows transmission of a number of
separate data and voice simultaneously over one communications
medium. The information below indicates the specifications the
Electra Elite IPK II system uses for switching, clock, data bus,
timeframe:
J TDM Switching: PCM (µ Law)
J TDM Clock: 2.048 MHz
J TDM Data Bus: 8 bit
J TDM Timeframe: 125 µs.
5.5.3 Control
This section indicates the speed or capacity:
J Control: Stored program with distributed processing
J Central Processor: 32-bit microprocessor
J Clock: 32.768 MHz
J Interface ETU: 8-bit or 16-bit microprocessor
J Optional ETUs: 16- or 32-bit microprocessor
J Multiline Terminal (TDM): 8-bit microprocessor
J Multiline Terminal (IP): 32-bit microprocessor
J IP Adapter: 32-bit microprocessor
J Attendant Console: 4-bit microprocessor
J SLT Adapter: 8-bit microprocessor
J PGD Adapter 8-bit microprocessor
5.5.4 Electra Elite IPK Terminals and Equipment
The voltage, current, ring signal information for the Electra Elite IPK
Multiline Terminals, Single Line Telephone equipment, and AP(A)-R/
AP(R)-R Units are listed below:
J Multiline Terminal
Voltage: -11 ~ -26 Vdc