Sangoma A104D

The A104D is Sangoma's next generation hardware designed for optimum support of data and voice over T1 and E1. Designed to work with Asterisk, and functionally compatible with Digium's TE4XXP boards, the Sangoma A104D gives you unparalleled flexibility at a great price.

The Sangoma A104D is a 4 port T1/E1/J1 adapter with 120 ports of hardware-based echo cancellation. It has full hardware support for 1024 taps (128ms) of echo tail across all DS0s. It also features hardware-based DTMF detection and decoding, along with noise reduction and voice enhancement technology.

Operational Modes

• Data only:
  • T1/E1 and fractional T1/E1, single channel HDLC per line.
• Voice mode:
  • Supports Robbed Bit Channel Associated Signaling (CAS) and ISDN PRI.
  • Block mode raw bit-stream interface for integration with the Asterisk Open Source PBX/IVR platform.
  • Channelized mode supporting individual DMA into voice timeslots plus onboard HDLC support of PRI channel for soft PBX implementations that can use these features.
• Mixed Voice/Data Mode:
  • Combination of router/PBX functions in one server - Asterisk as an option.
  • Both 8 bit (64kbps per channel) and 7 bit (56kbps per channel) board-level HDLC support.
  • WAN data connection is supported by Sangoma's standard WANPIPE routing stack providing certified Frame Relay, PPP, HDLC and

Technical Specifications

• Available as Single T1/E1 port (A101), Dual T1/E1 port (A102) with daughterboard, or as the A104, a Quad Port T1/E1 card, equivilent to the TE405P and TE410P, or the A104D, a Quad Port T1/E1 card with hardware DSP and echo canceller.
• Intelligent hardware: Downloadable Field Programmable Gate Array programming with multiple operating modes:
• T1/E1 and fractional T1/E1, single channel HDLC per line
• EDAC (patent pending) technology is integrated to drastically reduce the load due to software echo cancellation, which is the largest component of CPU load in a typical soft PBX system.
• DSP card on the A104D:
  • G.168-2002 echo cancellation in hardware
  • 1024 taps/128ms tail per channel on all channel densities
  • DTMF decoding and tone recognition
  • Voice quality enhancement: Octasic music protection, acoustic echo control and adaptive noise reduction.
• Power: 520mA at +5v
• MTBF: > 1 Million hours (Calculated).
• PCI 32 bit (5v and 64 bit (3.3v) compatible.
• Temperature range: 0 - 45C.
• All set-up and configuration is in software or by machine BIOS.
• DSU/CSU set up entirely in software.
• Line decoding: HDB3, AMI, B8ZS.
• Framing: CRC4, non-CRC4, ESF, D4T1/E1.
• Clocking mode: Normal , Master.
• Software controlled DSU/CSU test modes.
• Remote monitoring of card and CSU/DSU operation.
• Dimensions: 2U Form factor: 120mm x 55 mm.

T1/E1 Status Alarms

• 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

Line Protocols

• ATM, Frame Relay, X.25, HDLC, PPP, SS7, Transparent bit-stream, BSC.

Operating Systems

• Linux (all versions, releases and distributions from 1.0 up), FreeBSD, Open BSD.

Higher Level Protocols

• 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.

Warranty

• Lifetime warranty on parts and labour.

Certification

• FCC Part 15 Class A, FCC Part 68, CE.

Diagnostic Tools

• WANPIPEMON, SNMP, System logs.

Production Quality

• ISO 9002