Sangoma A104D is a digital voice board with PCI interface for four E1 channels with a hardware echo cancellation module and support for CAS and ISDN PRI signaling systems.
The Sangoma A104D is a four-port version of Sangoma's AFT series of products designed to provide optimal voice and data processing over T1, E1 and J1 channels.
The Sangoma A104D supports up to 120 telephone connections, providing full-duplex data transmission over four T1, E1 or J1 channels at 8192 kbps.
Sangoma A104D board provides high-speed data transfer at 132 Mbps over PCI bus using FPGA and DSP processors to reduce CPU load in resource-intensive applications, such as software PBX/IVR. Supporting PCI bus voltage of 3.3 V and 5 V, Sangoma A104D boards can be installed in any motherboards available on the market, they support correct distribution of interrupt resources with other PCI devices, so you do not need to worry about compatibility issues.
The Sangoma A104D and Sangoma A104DE cards, with Octasic® DSP hardware and certified echo cancellation algorithms, provide telco-grade echo cancellation and improved audio quality in public and private telephone systems.
Like other Sangoma AFT series products, the Sangoma A104D boards are field expandable, allowing you to take advantage of new hardware and software as it becomes available.
Operating modes
Voice modes:
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Sangoma A104D boards and drivers fully support TDM voice gateways for connection to Asterisk™, YateT, OPALT, and other open and closed PBX/Switch/IVR/VoIP gateway systems.
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Channel Assisted Signaling (CAS) and ISDN PRI.
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Per-channel optimization of DMA streams and hardware HDLC processing helps reduce CPU load.
* EDAC™ technology (patent pending) helps significantly reduce CPU load caused by software echo cancellation processing, which is CPU intensive in software-based PBXs.
* On-site expansion of equipment functionality allows you to add new capabilities as they become available.
Data only:
* T1/E1 stream and truncated T1/E1 stream, one HDLC channel per line.
* Full channel mode for operation in DS1 subchannel switching control mode. The A104 board supports configurations of up to 124 64 kbps connections with Frame Relay, PPP or HDLC protocols. Timeslots can be combined to support truncated T1/E1/J1 streams in any combination.
— The binary signal stream can be used directly to support non-standard data line protocols, such as those with mono or bi-sync without bit alignment.
Mixed Voice/Data Mode:
* Reliable combination of router and PBX functions in one server.
* WAN connections are supported by Sangoma's industry-standard WANPIPE® stack, which is completely independent of TDM applications for increased system reliability.
* WANPIPE® supports certified and well-tested protocols: Frame Relay, PPP, HDLC and X.25.
Technical specifications of Sangoma A104D
* Four T1/E1/J1 streams.
* Dimensions: 2U form factor: 120mm x 55mm, for use in a closed case.
* 32-bit DMA controller with data transfer via PCI bus at 132 MB/s for minimal CPU load.
* Circular buffer DMA control for minimal CPU utilization and data integrity in high-channel count systems.
* Intelligent hardware: Upgradable programmable gate array with multiple operating modes. Allows the addition of new voice and data control functions when they become available.
* Power: 800mA peak, 300mA operating max at +3.3V or 5V.
* Automatic selection of PCI bus supply voltage.
* Temperature range: 0 - 50C.
* Line decoding: HDB3, AMI, B8ZS.
* Framing: CRC4, non-CRC4, ESF, D4.
* Clock mode: Normal, master device.
T1/E1 status signals
* ALOSV: Loss of Signal alarm
* LOS: Receive Loss of Signal
* ALTLOS: Alternate loss of Signal Status
* OOF: Out of Frame
*RED: Telco Red Alarm condition
* AIS: Alarm Indication Signal
* OOSMFV: Loss of Signaling Multiframe
* OOCMFV: Loss of CRC Multiframe
* OOOFV: Out of Off-Line Frame
* RAIV: Receive Loss of Signal
* YEL: Receive Telco Yellow Alarm
Data line protocols:
Frame Relay, X.25, HDLC, PPP, SS7, transparent bit stream, BSC.
Operating systems:
• Windows® 2003, Windows XP, Windows Server 2008, Windows Vista.
• Linux (all versions, editions and distributions, starting from 1.0).
• FreeBSD
High level protocols:
Open PBX/IVR Asterisk, IP/IPX over Frame Relay/ PPP/ HDLC/ X.25, X.25 over Frame Relay (Annex G), BSC over X.25 (DMT and TCOP), SNA over X.25, PPPoE, PPPoA, IP over ATM.
Certification:
FCC Part 15 Class A, FCC Part 68, CE., Russian certificate of conformity GOST-R.
Diagnostic tools:
WANPIPEMON, SNMP, system logs.
Product quality:
ISO 9002
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