OPEN ACCESS DATA SHEET T he NMS Communications AG 2000 Series, part of the Open Access framework, is a powerful and versatile family of PCI and CompactPCI (cPCI) analog telephony interface platforms with DSP resources that provide IVR, fax, conferencing, and speech rec- ognition pre-processing capabilities for developers of high-performance telecommunications systems. The AG 2000 can be configured with loopstart (LS) or subscriber loop (SL) modules. The AG 2000C cPCI platform provides up to 24 ports of loopstart connectivity. More information on the AG 2000C is available in the AG 2000C data sheet. Both the AG 2000 and the AG 2000C are supported by the Natural Access ™ program development environment and share a common API set with other NMS platforms. AG 2000 Eight-port Analog Interface and DSP PCI platforms ■ Configurable to support eight analog interfaces in a single slot ■ Loopstart and subscriber loop configurations provide a versatile solution for diverse applications ■ Full-speed H.100 bus with 4,096 timeslots to support interoperability with other boards in open-architecture, high-capacity systems ■ Natural Call Control ™ protocol-independent API minimizes system development and deployment efforts ■ Universal port capability supports IVR, NaturalConference, speech recognition, and NaturalFax ™ software ■ Feature-rich Natural Access software development kits support Windows, ® x86 and SPARC ® Solaris, ™ and Red Hat ® Linux ® ■ Advanced DSP-based play/record voice, DTMF/MF, call progress functions, and echo cancellation ensure application reliability ■ Efficiently manages DSP resources to minimize host overhead and maximize host processing time for applications ■ Built on the AG Series architecture to ensure scalability, compatibility, and high performance to leverage developer time and application investment ■ Utility to analyze call control signaling to determine tone plan and generate parameter file FEATURES
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OPEN ACCESS DATA SHEET
The NMS Communications AG 2000
Series, part of the Open Access
framework, is a powerful and versatile
family of PCI and CompactPCI (cPCI)
analog telephony interface platforms
with DSP resources that provide IVR,
fax, conferencing, and speech rec-
ognition pre-processing capabilities
for developers of high- performance
telecom munications systems. The
AG 2000 can be configured with
loopstart (LS) or subscriber loop (SL)
modules. The AG 2000C cPCI platform
provides up to 24 ports of loopstart
connectivity. More information on the
AG 2000C is available in the AG 2000C
data sheet. Both the AG 2000 and
the AG 2000C are supported by the
Natural Access™ program development
environment and share a common API
set with other NMS platforms.
AG 2000Eight-port Analog Interface and DSP PCI platforms
■ Configurable to support eight analog interfaces in a single slot
■ Loopstart and subscriber loop configurations provide a versatile solution for diverse applications
■ Full-speed H.100 bus with 4,096 timeslots to support interoperability with other boards in open-architecture, high-capacity systems
■ Natural Call Control™ protocol-independent API minimizes system development and deployment efforts
■ Universal port capability supports IVR, NaturalConference, speech recognition, and NaturalFax™ software
■ Feature-rich Natural Access software development kits support Windows,® x86 and SPARC® Solaris,™ and Red Hat® Linux®
■ Efficiently manages DSP resources to minimize host overhead and maximize host processing time for applications
■ Built on the AG Series architecture to ensure scalability, compatibility, and high performance to leverage developer time and application investment
■ Utility to analyze call control signaling to determine tone plan and generate parameter file
FEATurES
On-board Resources Reduce Host Overhead
The AG 2000 Series includes a powerful embedded control processor, which manages the host interface, DSP resources, and an on-board memory cache. The control processor dynamically assigns algorithms to DSPs as needed and executes signaling protocols. As a result, host processing overhead is reduced dramatically, which reserves more host process-ing power for the application.
Dynamic, Efficient Task Processing
The AG Series was the first to implement true media streaming on DSP resource boards, through an efficient task processing design, which ensures flexibility and scalability. The AG 2000 Series boards use one, two, or four high-performance, low-power ’C549 DSPs. Each DSP can be assigned a mix of specific tasks or services such as voice recording and playback, DTMF reception and generation, call progress analysis, speech compression, echo cancellation, fax functions, or vocoding. The tasks are dynamically started, stopped, and interconnected as needed. Any of the tasks or services are available for use by any of the board’s eight ports.
Analog Interfaces
The AG 2000 eight-port board provides eight ports of call processing with loopstart or subscriber loop interfaces. The AG 2000 board uses Quad Subscriber Line Audio Circuits (QSLACs) which are software- programmable, permitting specific line para meter alterations for either performance reasons or for complying with country- specific regulations. The QSLAC files for the selected country are specified within the installation program. The analog interfaces are also supported by software modules called trunk control protocols (TCPs) which provide the signaling schemes required by each analog interface, and by country- and PBX-specific requirements. The AG 2000 has telecom approvals in North America, Europe, Japan, and other countries.
H.100 Bus Assures Open Architecture, Vendor Independence
The AG 2000 Series uses the Lucent Ambassador™ chip family to implement the H.100 bus interface for connection to other H.100-based boards.
NMS has a full range of service contract options to support customers at all phases of the solu-tion life cycle. NMS Technical Services offers development, deployment, and production support, and provides the on-call resources and training needed to speed products to market, ensure quality, and exceed expectations.
AG 2000 The eight-port AG 2000 is available in many configurations based on DSP resources and analog interface type. The DSP resources include the following:
■ IVR voice including play/record, DTMF/MF, call progress, and call switching
■ NaturalFax which includes all IVR voice capability
■ Speech recognition front end, including ASR and TTS
Analog interfaces consist of:
■ Four or eight loopstart (LS) — basic trunking to the PSTN or PBX
■ Eight subscriber loop (SL) — interface to telephones, head sets, modems, or fax machines
■ Four LS/four SL — popular combination for PBX or call center applications
The subscriber loop interface also requires an external power supply for -24 and -48 Vdc and 86 Vac ringing voltage. The ringing frequency is selectable on the power supply. The subscriber loop external power supplies are connected to the front panel of an AG 2000 and then distrib-uted to up to two adjacent AG 2000 boards by an internal board-to-board cable. There are also DSP-only versions of the AG 2000 that connect with other H.100 boards.
• PCIuniversalexpansionboard:Compatiblewith both 5.0 V and 3.3 V signaling environment.
• Mechanical:PCIRev.2.2;physicaldimensions: 4.2 in (10.76 cm) x 12.283 in (31.19 cm)
• Busspeed:33MHz
• I/Omappedmemory:23kBon-boardinterface memory at DMA rates via 16-bit I/O string move. Memory-mapped interface for efficient block data transfers. Address and interrupts automatically configured by PCI BIOS (no jumpers or switches).
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• Ringdetection:
- Guaranteed detect: > 30 VRMS, 17 to 33 Hz
- Guaranteed no detect: < 15 VRMS (0 to 5 kHz)
EU Loopstart Line Interface
EU specifications differ from North American version only where required to conform to regulation CTR-21.
Differences are:• T-Rinputimpedance(300to3200Hz):
270 ohms in series with a parallel combination of 750 ohms and 150 µF
• Operatingloopcurrent:18mAto55mA
Subscriber Loop Line Interface
• T-Rinputimpedance(300to3200Hz):600ohms + 2.2 µF
• Returnloss(ref.T-Rinputimpedance): 20 dB min. (ERL)
• Gaintolerance(4-to-2and2-to-4wire): +/- 1 dB
• Gainrange(4-to-2and2-to-4wire): +6 to -6 dB
• Frequencyresponse(300to3200Hz, reference to 1 KHz): +/- 0.8 dB
• Trans-hybridloss(intomatching impedance): 17 dB min. @ 300 to 3000 Hz
1815–16 Concordia Plaza 1 Science Museum Road Tsim Sha Tsui East Kowloon, Hong Kong Tel: +852 2926 1820 Fax: +852 2620 5600
NMS also has offices throughout North America, Europe, and Asia. Visit the NMS web site for a complete listing.
Every effort has been made to ensure the accuracy of this
document. However, due to the ongoing improvements and
revisions to our products, NMS Communications
cannot guarantee the accuracy of the material, or accept
responsi bility for errors or omissions. Revised docu-
ments may be published when deemed necessary by
NMS. Additionally, telecommunications systems design is
complex, with many interactive variables affecting system
performance. Statements in this or any other NMS docu-
ment about product performance, such as number of
simultaneous media processing ports, are guidelines only.
Actual performance results may vary based on specific
application and system design.
NMS Communications, Natural Access, Natural
Call Control, and NaturalFax are trademarks of
NMS Communications Corporation. Ambassador is a
trademark of Lucent Microelectronics. Windows is a reg-
istered trademark of Microsoft Corporation in the United
States and/or other countries. Solaris is a trademark of Sun
Microsystems, Inc. in the United States and other countries.
SPARC is a registered trademark of SPARC International,
Inc. Products bearing SPARC trademarks are based on
an architecture developed by Sun Microsystems, Inc. Red
Hat is a registered trademark of Red Hat, Inc. Linux is a
registered trademark of Linus Torvalds. All other product
or corporate references may be trademarks or registered
trademarks of their respective companies. MAY07
• Signaloverloadlevel:+3dBmat0dBgain
• Idlechannelnoisethroughconnection: < 20 dBrnC
• Crosstalktransmittoreceivechannels: < -70 dB @ 1 kHz
• Off-hookdetect:
- Guaranteed detect: Current > 13 mA
- Guaranteed no detect: Current < 7 mA
• Operatingloopcurrent:13mAto25mA
• Maximum24AWG(0.5mm)cable distance:
- At -48 V: 18,000 ft (5000 m) (1500 ohms)
- At -30 V: 2,000 ft (600 m) (200 ohms)
• Maximumringer:1.5REN
This product meets EMC, Safety and Telecom requirements for the US, Canada and the EU. Please refer to the Global Approvals section of our web site for a complete list of countries in which we currently hold Telecom approvals. If you need specific details on EMC, Safety, or Telecom approvals, please contact Technical Services at [email protected] or +1 508 271 1333.
Subscriber Loop Ringing Power Supply
• Inputpower:100to132/200to264Vac;47to 63 Hz, automatic range selection
• DCoutput:Twooutputs:-24Vdc/-30Vdcand-48Vdc;combinedtotal<1.2A. The -24 output is switch selectable to -24 Vdc or -30 Vdc
• DCoutputregulation:Lessthan1%
• DCoutputripple:Lessthan1% peak-to-peak
• Outputisolation:-24Vdc/-30Vdcand -48Vdcisolatedfromchassisground; AC output is referenced to -48 Vdc output
• Ringoutput:-48Vdcplus86Vac@ 0.13Afor17,20,and50Hz;72Vac@ 0.13 A for 25 Hz
