Release Notes P/N 93000411

                            Digi DataFire ISDN Driver
                                  Version V4.01

                            Microsoft Windows NT 4.0

                                   02/26/2003


INTRODUCTION

  The Digi DataFire ISDN Driver is host based driver stack offering a extremely
  high net throughput rate. Simple to install, it connects your PC to the Internet
  with ISDN speed and provides a variety of functionality.


CONNECTIVITY

  - DataFire Pico: PCMCIA, S0-BRI, auto-detection of ISAC/HSCX and IPAC
  - DataFire Micro V: PCI 2.2, S0-BRI, 3.3V and 5V support
  - DataFire QuadMicro S/X: PCI 2.2, 4xS0-BRI, 3.3V and 5V support
  - WAN Miniport driver (32-bit)
  - CAPI 2.0 interface


NETWORK PROTOCOLS

  - DSS1 (Euro-ISDN), Q.SIG, 5ESS, NI-1, DMS-100, INS-64, TPH 1962


LINE SUPPORT

  - Point to Multipoint
  - Point to Point


APPROVALS

  - DataFire Pico:      Europe (CE0682X)
  - DataFire Micro V:   Europe (CE0682X)/USA/Canada
  - DataFire QuadMicro: Europe (CE0682X)


CAPI 2.0

  - CAPI20.DLL   (16-bit user mode)
  - CAPI2032.DLL (32-bit user mode)
  - Device Driver Interface (32-bit kernel mode)

  - B1-Protocol
    o 64 Kbit/s HDLC framing
    o 64 Kbit/s bit transparent with byte framing from the network
    o V.110 asynchronous operation with start/stop byte framing
    o V.110 synchronous operation (for 56 Kbit/s HDLC framing)
    o T.30 modem for FAX group 3
    o 56 Kbit/s bit transparent with byte framing from the network
    o Modem with full negotiation
    o Modem asynchronous operation with start/stop byte framing
    o Modem synchronous with HDLC framing

  - B2-Protocol
    o ISO 7776 (X.75 SLP)
    o Transparent
    o LAPD according Q.921 for D-Channel X.25 (X.31)
    o T.30 for FAX group 3
    o Modem with full negotiation
    o V.120 asynchronous mode

  - B3-Protocol
    o Transparent
    o T.90NL with compatibility to T.70NL according to T.90 Appendix II
    o ISO 8208 (X.25 DTE-DTE)
    o T.30 for FAX group 3
    o T.30 for FAX group 3 with extensions
    o Modem


EXTENDED FEATURES

  - D-channel
    o Fixed TEI configuration support
    o Point to Point configuration support
    o Layer 2 permanent switchable via registry key
    o S0 Termination switchable for DataFire Micro V (with relais option)
    o Automatic overlap sending for called party numbers longer than 20 digits

  - B-channel
    o B1 protocol 64 kbit/s bit transparent with variable blocksize
    o B1 protocol 56 kbit/s bit transparent with variable blocksize
    o B channel loop switch option (with D-channel protocol 8001)

  - CAPI
    o INFO_IND broadcasting support
    o INFO_IND support for DDI
    o INFO_REQ support for overlap-dialling
    o FACILITY_XXX support for DTMF
    o CONNECT_IND broadcasting support
    o CONNECT_XXX  HLC, LLC, BC support
    o CONNECT_XXX Additional Info support
    o CONNECT_XXX subaddressing support
    o CONNECT_B3_T90_ACTIVE_IND support
    o SELECT_B_PROTOCOL_REQ support
    o Early B3 Connect support

  - FAX
    o Lines: 2 B-channels (QuadMicro X: 8 B-channels)
    o Speed: max. 14.400 bit/s
    o Resolution: standard and high
    o Transfer: error correction mode (ECM)
    o Coding Method: MH, MR, MMR
    o Voice Coding: a-law, u-law

  - Modem
    o Lines: 1 B-channel (QuadMicro X: 8 B-channels)
    o Speed: max. V.34 (28.800 bit/s)
    o Error correction: V.42
    o Compression: V.42bis

 - Multi Processor Systems support


WAN MINIPORT

  - HDLC transparent (Standard PPP)
  - X.75 (PPP over X.75)
  - V.110
  - V.120
  - Modem
  - Indication of own MSN on outgoing calls
  - Call acceptance on particular MSN (Accepted MSN)


SUPPORTED PRODUCTS

  DataFire Pico
  DataFire Micro V
  DataFire QuadMicro S/X


HISTORY

  V4.01 (02/26/2003)

      Updated driver files.

  V4.00 (08/10/2001)

      First release tracked in this document.