Network; Control; Electra Elite Ipk Terminals And Equipment - NEC Electra Elite IPK II System Hardware Manual

Electra Elite IPK II
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System Hardware Manual
Data Transmission Rates:
Between ESI(8)-U( ) ETU and Multiline Terminal: 184K bps
(voice and signaling)
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:
TDM Switching:
TDM Clock:
TDM Data Bus:
TDM Timeframe: 125 µs.
5.5.3

Control

This section indicates the speed or capacity:
Control: Stored program with distributed processing
Central Processor:
Clock:
Interface ETU:
Optional ETUs:
Multiline Terminal (TDM):
Multiline Terminal (IP):
IP Adapter:
Attendant Console:
SLT Adapter:
PGD Adapter
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:
Multiline Terminal
Voltage:
PCM (µ Law)
2.048 MHz
8 bit
32-bit microprocessor
32.768 MHz
8-bit or 16-bit microprocessor
16- or 32-bit microprocessor
8-bit microprocessor
32-bit microprocessor
32-bit microprocessor
4-bit microprocessor
8-bit microprocessor
8-bit microprocessor
-11 ~ -26 Vdc
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