DIALOGIC CORPORATION

DTI/124

Card Type        T1 interface
I/O Options      PCM bus
T1 Transfer Rate 1.544Mbps
Data Bus         8-bit ISA

[Image]

                                CONNECTIONS

         Function            Label            Function            Label

  AEB connector for time      P1       AEB connector for time       P5
  slices 1-4                           slices 17-20

  AEB connector for time      P2       AEB connector for time       P6
  slices 5-8                           slices 21-24

  AEB connector for time      P3       PCM bus                      P7
  slices 9-12

  AEB connector for time      P4       CSU connection               P8
  slices 13-16

                        USER CONFIGURABLE SETTINGS

                    Setting                        Label       Position

  »   Interrupt driver enabled                      JP2         Closed

      Interrupt driver disabled                     JP2          Open

  »   Internal clock source                        SW1/4         Off

      Clock source derived from T1 signal          SW1/4          On

  »   Normal operation                              SW2          Off

      Loopback mode                                 SW2           On

            Note: JP2 should only be closed on one DTI/124 board in the
            system.

                             BASE I/O ADDRESS

       Setting             SW1/1             SW1/2             SW1/3

  »        320h             Off               Off               Off

           328h              On               Off               Off

           330h             Off                On               Off

           338h              On                On               Off

           3E0h             Off               Off               On

           3E8h              On               Off               On

                                 INTERRUPT

    Setting       JP1/A     JP1/B    JP1/C     JP1/D     JP1/E     JP1/F

        IRQ2     Closed     Open      Open      Open     Open      Open

  »     IRQ3      Open     Closed     Open      Open     Open      Open

        IRQ4      Open      Open     Closed     Open     Open      Open

        IRQ5      Open      Open      Open     Closed    Open      Open

        IRQ6      Open      Open      Open      Open    Closed     Open

        IRQ7      Open      Open      Open      Open     Open     Closed

      Disabled    Open      Open      Open      Open     Open      Open

            Note: All DTI-101 boards installed in the system should be
            set to the same interrupt.

                             DIAGNOSTIC LED(S)

     LED          Color        Status                Condition

     LED1          Red           On        Red alert condition detected

     LED1          Red          Off           Red alert condition not
                                                     detected

     LED2        Yellow          On       Yellow alert condition detected

     LED2        Yellow         Off          Yellow alert condition not
                                                     detected

     LED3         Green          On            T1 signal is present

     LED3         Green         Off            T1 signal not present

     LED4          Red           On       Board is in loopback test mode

     LED4          Red          Off        Board is not in loopback test
                                                       mode