Section 2: Components
Product Description 33
2
KSU Expansion Set — P/N 0891001
This set is required to connect a second cabinet, allowing expansion
from an 8 slot to a 16 slot system. It consists of an EXIFU PCB,
EXIFU Cable and Joint Plate.
19” Rack Mount Bracket — P/N 0891300
The 19” Rack Mount Bracket is required to install the KSU onto a 19” rack mounting system. If
rack-mounting all three cabinets of an Aspire XL system, the power supply cabinet (P/N 0890068)
must be mounted on a separate bracket due to the bracket weight requirements (150 lbs maximum).
Feature Upgrade for 0891002 — P/N 0891039
The Feature Upgrade for the 0891002 is added to the 64 Port Basic CPU (0891002). It provides
such features as 16 channel media gateway cards, ACD, T1/PRI, E&M, etc. Refer to the NTCPU
info on Central Processing Unit (NTCPU) PCB — P/Ns 0891002 & 0891038 (page 28) for
more.
With software 4.0E or higher, the Feature Upgrade PAL chip can support 128 ports for trunks,
extensions, and voice mail (internal and external). With prior software, only 64 ports are available.
DSP Resource Daughter Board (DSPDB) — P/N 0891003
The DSPDB provides additional DSP resources as well as the option
for the VRS (Voice Response System) or Voice Mail features. This
daughter board is mounted on the NTCPU and provides:
● 32 Tone Resources (for DTMF Receiver, Caller ID Receiver, and
Call Progress Tone Detection)
● 16 VRS Circuits with a VRS Flash Card Installed (replays up to 16
circuits simultaneously, recording: up to 8 circuits simultaneously)
● Compact Flash Slot for VRS Features
The receiver circuits are used for DTMF receivers, call progress tone detection, and Caller ID receivers.
VRS Compact Flash (DSPDB Compact Flash Card)
(DSPDB) — P/N 0891040
The VRS Flash Card adds Voice Announce/Automated Attendant fea-
tures and is installed on the DSP Resource daughter board.
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