
NATURAL MICROSYSTEMS CORPORATION

AG-E1

Card Type                E1 CSU/DSU
Chip Set                 TI TMS320C51
I/O options              MVIP bus, serial port
Processor                80386SX
Processor Speed          25MHz
Maximum Transfer Rate    2.048Mbps
Maximum Onboard Memory   4MB DRAM/256KB SRAM
Data Bus                 16-bit ISA
Data Modulation Protocol HDB3, AMI

[Image]

                                CONNECTIONS

        Function           Label             Function              Label

  75ohm line in             J2      DSP daughterboard               JP7

  75ohm line out            J3      Mini-ISA daughterboard          JP8

  MVIP bus                  JP5     RS-232 port (see pinout        JP20
                                    below)

      JP20 PINOUT

    Pin      Function

     1        Ground

     2       Transmit

     3        Receive

     4        Ground

                  DRAM

     Size        Bank 0        Bank 1

     2MB        (4) 1M x 4      NONE

     4MB        (4) 1M x 4   (4) 1M x 4

      BASE I/O ADDRESS (FIRST DIGIT)

  Setting     S1/1       S1/2      S1/3

  0 xxx h      On         On        On

  2 xxx h     Off         On        On

  4 xxx h      On        Off        On

  6 xxx h     Off        Off        On

  8 xxx h      On         On        Off

  A xxx h     Off         On        Off

  C xxx h      On        Off        Off

  E xxx h     Off        Off        Off

   BASE I/O ADDRESS (LAST THREE DIGITS)

  Setting     S1/4       S1/5      S1/6

  x 100h       On        Off        Off

  x 180h      Off         On        Off

  x 1A0h      Off        Off        On

  x 1C0h      Off         On        On

  x 280h       On         On        Off

  x 2A0h       On        Off        On

  x 2C0h       On         On        On

  x 340h      Off        Off        Off

[Image]

                             DIAGNOSTIC LED(S)

   LED      Color    Status                    Condition

    D1       Red       On         MVIP processor request in progress

    D1       Red      Off       MVIP processor request not in progress

    D1      Green      On          MVIP processor grant in progress

    D1      Green     Off        MVIP processor grant not in progress

    D2       Red       On        Task processor 1 request in progress

    D2       Red      Off      Task processor 1 request not in progress

    D2      Green      On         Task processor 1 grant in progress

    D2      Green     Off       Task processor 1 grant not in progress

                         DIAGNOSTIC LED(S) (CONT)

   LED      Color    Status                    Condition

    D3       Red       On        Task processor 2 request in progress

    D3       Red      Off      Task processor 2 request not in progress

    D3      Green      On         Task processor 2 grant in progress

    D3      Green     Off       Task processor 2 grant not in progress

    D4       Red       On        Task processor 3 request in progress

    D4       Red      Off      Task processor 3 request not in progress

    D4      Green      On         Task processor 3 grant in progress

    D4      Green     Off       Task processor 3 grant not in progress

    D5       Red       On        Task processor 4 request in progress

    D5       Red      Off      Task processor 4 request not in progress

    D5      Green      On         Task processor 4 grant in progress

    D5      Green     Off       Task processor 4 grant not in progress

    D6       Red       On        Task processor 5 request in progress

    D6       Red      Off      Task processor 5 request not in progress

    D6      Green      On         Task processor 5 grant in progress

    D6      Green     Off       Task processor 5 grant not in progress

    D7       Red       On        Task processor 6 request in progress

    D7       Red      Off      Task processor 6 request not in progress

    D7      Green      On         Task processor 6 grant in progress

    D7      Green     Off       Task processor 6 grant not in progress

    D8       Red       On                 Processor is reset

    D8       Red      Off               Processor is not reset

    D8      Green      On                    SRAM is busy

    D8      Green     Off                  SRAM is not busy

    D9       Red       On           Processor is transmitting data

    D9       Red      Off             Processor is receiving data

    D9      Green      On           Host is reading/writing to SRAM

    D9      Green     Off        Processor is reading/writing to SRAM

   D10       Red       On                 DSP chips are reset

   D10       Red      Off               DSP chips are not reset

   D11      Yellow     On          Yellow alert status has occurred

   D11      Yellow    Off        Yellow alert status has not occurred

   D12       Red       On            Red alert status has occurred

   D12       Red      Off          Red alert status has not occurred

   D13      Green      On           Diagnostics are being performed

   D13      Green     Off         Diagnostics are not being performed

   D14      Green      On                 T1 signal detected

   D14      Green     Off               T1 signal not detected

