The A101 is Sangoma's next generation hardware designed for optimum support of data and voice over T1 and E1.
Operational Modes
Data only:
T1/E1 and fractional T1/E1, single channel HDLC per line. 
To Replace
 Can be used as a hub for sub-DS1 remotes. The A101 and A102 can support any configuration of up to 62 DS0s carrying Frame Relay, PPP or HDLC data.
Raw bitstream interfaces can be used to support arbitrary non standard line protocols such as non-byte aligned monosynch or bisynch. 
Voice modes: - 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) or Dual T1/E1 port (A102) with daughterboard (as shown in photograph).
- Intelligent hardware: Downloadable Field Programmable Gate Array programming with multiple operating modes:
- T1/E1 and fractional T1/E1, single channel HDLC per line
- Power: 520mA at +5v
- 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
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 (X.25, BSC and SS7 NOT available on BSD)
Higher level protocols
Asterisk Open PBX/IVR, 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
3 years
Certification
FCC Part 15 Class A, FCC Part 68, CE., Declaration of Conformity
Diagnostic Tools
WANPIPEMON, SNMP, System logs.
Production quality
ISO 9002
RJ 45 Pin-out
RJ45 E1/T1 pinouts | Pin | Signal | 1 | RTIP | 2 | RRING | 4 | TTIP | 5 | TRING |
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