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DIGITAL PCx COMMUNICATIONS CONTROL SYSTEM
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| The cPCx Communications Control System is built around a non-blocking, standards
based Compact PCI digital platform supporting the H.110 bus architecture and IP
based telephony. The PCx includes redundant hot swappable power supplies as
well as redundant hot standby master processors running Windows 2000 server,
Penta PNET Server application, and remote management and access. The cPCx uses a cPCI
chassis capable of integrating the control of as many as 4096 circuits using
high density digital interfaces. |
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| Applications:
Dispatch, Call Center and Public Address applications
Consoles
Common Controls
Accessories |
Features
- Individual access modules include:
- up to
quad T1, quad E1, PRI-ISDN,
- high density FXS,
- FXO,
- E&M, and
- interface to
Penta’s standard 4039 model line interface card
- easy upgrade to existing
systems and
- analog radios requiring signaling provided by the Penta 4039 line
card.
- Circuit types include
- radios,
- telephones,
- PBX lines,
- PSTN,
- intercoms,
- consoles,
- VOIP,
- fiber optic lines,
- microwave channels.
- cPCI chassis
provides
- PICMG 2.16 compliant backplane,
- two PCI bus segments supporting
- H.110
telephony, and
- rear I/O slots for physical connections.
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| Redundancy:
The PCx is based upon a redundant design using common microprocessors (Master
Terminal Units - MTUs) operating in a hot standby configuration. Failure of the
controlling MTU will result in an automatic transfer to the standby unit. MTUs
are continuously monitored to preclude silent failures. Manual switchover
between MTUs is available. These MTU computers are typically industrial grade
rackmount Pentium IV or better computers running Windows2000 Server software.
Power supplies are redundant and configured in a hot standby fashion, as
well.
Each cPCI telephony interface card has high
powered processors to meet the needs of open telephony interfaces (T1, E1, ISDN
PRI, Loopstart, Ethernet, Subscriber loop), sufficient DSP resources to provide
enhanced services (switching, signaling, Interactive Voice Response, Fax,
Conferencing, SS7, VOIP), and are all standards based in the hardware and
software interfaces
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If the application requires Penta individual
circuit interface cards 4039034, each line interface card has its own CPU tone
encoder, tone decoder and compressor. Transmit and receive audio is between +7
db and -35 db, with 20 db of compression. A module slot accepts specialty
signaling modules such as Penta’s DSP module, Modem module, Delay module, etc.
The Penta line card audio is carried into a cPCI interface to allow the same
H.110 digital switching as all cPCI circuit interfaces.
Programmability:
Penta shall perform initial programming and data base entry before system
shipment. The communications configuration of the system (line assignments to
consoles, etc.) may be edited in the field using menu-driven software; no
replacement or modification of hardware should be necessary.
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Common Controls
The central control
equipment is designed as a digital open standards, redundant, non-blocking
switch. The common control is connected to the external circuits by means of a
protected distribution frame.
The common control
equipment consists of the following:
·
dual, redundant processors (MTUs
with monitor and keyboard)
·
cPCI chassis, midplane to accept
telephony cards in front and I/O modules in the rear
·
channel interfaces to radios,
telephones, consoles, etc.
·
dual power supplies
·
All communications with control
console is via Ethernet network.
·
All communication console audio
can be carried using DS-0, VOIP, ISDN, or analog.
The aforementioned
equipment is housed in enclosed cabinets of approximately 2’ W x 2’ D x 7’
H. (Other cabinet sizes are available.)
Consoles
Each console position
consists of an OEM grade Pentium IV Computer running MS Windows XP, a XGA
Display (CRT or LCD), two loudspeakers, a microphone, a footswitch, and a
headset jackbox. Operators interact with the console GUI using a keyboard,
mouse and/or touchscreen (optional). A VU Meter is standard on the console GUI
display. All communication with the master controllers are via Ethernet.
A Penta EASy Interface
Console Audio Controller provides the audio interface to the local audio devices
(microphones, speakers, PTT, etc). The Penta Console application requires only
a serial or USB connection with the EASy. The EASy interface unit is 8”x6”x2”
and can be easily located under the console desk.
Features
Accessories
·
Maintenance Applications:
Penta’s MMI testing application comes standard in the PNET Server software suite
and provides system diagnostic and testing capabilities for the user.
·
Management Information System:
Penta’s MIS/Event Logger is an application included in the PNET Server software
suite that records all system activity information, and stores that information
in a database. Connects, monitors, failures etc., may then be sorted based on a
variety of parameters using SQL database queries. Hourly, daily, weekly,
monthly, and yearly downloading of information is available.
 Communications
Facilities
The PCx is capable of controlling the following
types of communications apparatus:
·
One, two or four T1 digital
circuits
·
One, two or four E1 digital
circuits
·
PRI-ISDN
·
FXS
·
FXO
·
E&M
·
Ethernet
·
VOIP using Industry standards
·
two-wire and four-wire circuits
to radios
·
two-wire telephone type lines
from PBX/PSTN
·
automatic ring-down intercom
lines
·
“hoot and holler” intercom lines
·
telephone lines from the public
telephone network
·
microwave channels
·
fiber optic lines (require
special interface)
·
public address lines
·
intercom lines
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