NEC Electra Elite IPK - Control; Telephone

5 - 16 Hardware Specifications
___________________________________________________________________________________
___________________________________________________________________________________
Document Revision 4 Electra Elite IPK
8.1.3 Control
This section indicates the speed or capacity.
H Control: Stored program with distributed processing
H Central Processor: 32-bit microprocessor
H Clock: 25 MHz
H Interface ETU: 8-bit or 16-bit microprocessor
H Optional ETUs: 16- or 32-bit microprocessor
H Multiline Terminal (TDM): 8-bit microprocessor
H Multiline Terminal (IP): 32-bit microprocessor
H IP Adapter: 32-bit microprocessor
H Attendant Console: 4-bit microprocessor
H SLT Adapter: 4-bit microprocessor
8.1.4 Telephone
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.
H Multiline Terminal
Voltage: -11 ~ -26 Vdc
Maximum Current: 250 mA
H Single Line Telephone
Standard 2500 Set: 500 type network
Nominal Current: 35 mA
Ring Signal: 56 Vac RMS @ 20 Hz
H SLT(1)-U( ) ADP
Standard 2500 Set: 500 type network
Nominal Current: 30 mA
Ring Signal: 56 Vac RMS @ 20 Hz
Acoustical characteristics meet Electronic Industry
Association (EIA) standard proposal SP-1286 and
standard EIA RS-470.