Aspire S Common Equipment - NEC Aspire Manual

Aspire S Common Equipment

Aspire 6 Slot KSU w/ CPU and PS — P/N 0890005
The KSU is the system's control center. It houses the Power Supply,
CPU, has six PCB slots and provides for connection to trunks and exten-
sions. The slots are universal. They can be used for any combination of
Common, Trunk or Station PCBs. The CPU controls all the functions
and operations of the Aspire system using the system software loaded
into the CPU memory. The KSU can be ßoor, wall or rack mounted.
The CPU, which is pre-installed, controls all the functions and operations of the Aspire system using
the system software loaded into the CPU memory. One 32-bit CPU is installed in the system cabinet.
The CPU provides the following:
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Product Description
Accommodates up to 34 ports (8 trunks x 26 extensions)
8 digital station connections
A 2PGDAD module cannot be connected to port 1 or port 2.
2 analog station connections (no Message Wait lamping)
4 diagnostic LEDs which indicate the status of various system functions
During normal operation, the "LD2" LED will be ßashing. The remaining LEDs can
ßash on or off depending on the current system operation.
Time Switch (383 ch)
Digital Phase Locked Loop (DPLL): digital phase synchronization loop
SFLM Generation
DSP (Digital Signal Processor: provides C-Channel control
● Tone Generation
● DTMF Tone Sender/Receiver
● System Tone Sender
● MFC Tone Sender
● MF Signal Sender (Sends caller information to CO for E911)
● Call Progress Tone Detector
● C-Channel Control
● Time Switch control
● HDLC (High-Level Data Link Control) Packet Processing
● Conference; 32 Channels
● Caller ID Receiver/Generation; 16 Channels
TAPI 1.x/TAPI 2 Support
A load button which is used for initial system startup or when upgrading system software
One Serial Port
One Compact Flash Card Slot
One Audio Input Terminal (external MOH/BGM source)
General Purpose Control Terminal
Hold Tone Transmit
IP
Real Time Clock (tolerance 30 seconds/month)
Internal MOH Generation
One Connector for PAL EPROM
One lithium battery (Sony CR2032 or equivalent) which provides battery back-up of
system data and RAM memory for approximately 30 months
Section 2: Components
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