Section 2: Components
30 Product Description
The enhanced CPU (P/N 0891038) provides:
● 200 trunk ports maximum
● 512 extension ports maximum
- Aspire M/L: 256 analog/digital extensions,
- Aspire XL: 384 analog/digital extensions
- Aspire M/L or XL: NEC Wireless 2.4 GHz and IP Phones can have a maximum of 512 ports,
however, more than 256 (Aspire M/L) or 128 (Aspire XL) Wireless and IP phones reduces
the number of available extension ports.
● 256 virtual extensions
● Supports the 4VOIPU PCB and 4VOIPDB
● Supports TAPI 1.x
● VRS (Requires DSPDB Daughter Board)
The enhanced CPU supports:
Each version of the NTCPU provides the following:
● Five diagnostic LEDs which indicate the status of various system functions
During normal operation, the “RUN” LED will be ßashing and the remaining LEDs will be off.
● 1019x1019 Time Division Multiplex Switch (TDM Switch)
● Digital Phase Locked Loop (DPLL)
● Tone Generator
● DTMF Tone Sender
● 32 Tone Resources (for DTMF Receiver, Caller ID Receiver, and Call Progress Tone Detection)
● System Tone Sender
● MFC Tone Sender
● MF Signal Sender (Sends caller information to CO for E911)
● Call Progress Tone Detector
● C-Channel Control
● Conference; 64 Channels
● Caller ID Receiver; 32 Channels
● Caller ID Sender; 4 or 10 Channels for Analog Stations
This can be expanded up to 20 by disabling 32 channels of the Conference circuits and
disabling the MFC Tone Sender.
● A reset switch (RES) which can be used to reset the system
● A load switch (LOAD) which is used for initial system startup or when upgrading
system software
● One Serial Port
● One USB Port (requires USB driver - download from NEC web site)
● One Ethernet Port (10 Base-T/100 Base-TX)
● One PCMCIA Slot
● One EXIFU Interface Connector
● Two Audio Input Terminals
● Expansion Cabinet ● Third-Party CTI/TAPI 2 ● PRI Trunks
● DSPDB Daughter Board (providing 32
channels for the DTMF Receiver, Call
Progress Tone Detection and Caller ID
Receivers)
● 16VOIPU PCB and
16VOIPDB
● T1 Trunks
● ACD/inDepth
● BRI S-Bus/T-Bus
● E&M Trunks
● Networking
● 32ESIU PCB
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