PATTON ELECTRONICS COMPANY

1185

Card Type             Modem
Chip Set              Unidentified
I/O Options           AC power connector, DTE/DCE serial port,

                      network interface via ST or SMA connector
Wiring Type           Fiber optic cable
Topology              Daisy chain, star
Maximum Data Rate     256Kbps (synchronous), 38.4Kbps (asynchronous)
Data Bus              External

[Image]

                                            CONNECTIONS

            Function                    Label                       Function                 Label

  Power connector               CN1    Network interface via ST                    CN3
                                       connector

  DTE/DCE port (quick connect   CN2    Power switch                                SW3
  module)

  Note:                        Quick connect serial interface module can be configured as a
                               V.24/RS-232, V.35, RS422/530, or X.21 port. Device is available
                               with either a fiber ST or SMA connector (CN3)



                        USER CONFIGURABLE SETTINGS

                      Setting                         Label     Position

  Modem ignores requests from DTE                     S1/7         Off

  Modem responds to digital loopback requests         S1/7         On
  from DTE

  Modem ignores requests from DTE                     S1/8         Off

  Modem responds to local analog loopback             S1/8         On
  requests from DTE

                           TRANSMIT CLOCK SOURCE

                 Source                        S1/5             S1/6

   Transmit clock generated internally          On               On

   Transmit clock generated internally          On              Off

   Transmit clock derived from terminal        Off               On
                interface

   Transmit clock derived from receive         Off              Off
               line signal

                                      DATA RATE (ASYNCHRONOUS)

           Setting                     S1/1              S1/2           S1/3             S1/4

            0-19.2Kbps                      On               Off           Off            On

          0-38.4Kbps               On                 Off                 Off             Off

                                      DATA RATE (SYNCHRONOUS)

           Setting                    S1/1               S1/2           S1/3             S1/4

              2400bps                       On                On            On            Off

          9600bps                 Off                 On                  On              On

          14.4Kbps                On                  Off                 On              Off

          19.2Kbps                On                  Off                 On              On

          28.8Kbps                Off                 Off                 On              Off

          38.4Kbps                Off                 Off                 On              On

           48Kbps                 On                  On                  Off             On

           56Kpbs                 Off                 On                  Off             Off

           64Kbps                 Off                 Off                 Off             On

           72Kbps                 Off                 On                  On              Off

          128Kbps                 Off                 Off                 Off             Off

          144Kbps                 On                  On                  Off             Off

          192kbps                 Off                 On                  Off             On

          256Kbps                 On                  On                  On              On

                              TEST SELECTOR

                  Function                      Label         Position

     Remote digital loopback initiated           SW2              1

  Normal operation. Loopback not activated       SW2              2

      Activates local analog loopback            SW2              3

                             DIAGNOSTIC LED(S)

  LED    Color     Status                     Condition

   TD     Red        On       Data is being transmitted (low logic level,
                                             device idle)

   TD    Green       On      Data is being transmitted (high logic level)

   TD     None      Off             Data is not being transmitted

   RD     Red        On        Data is being received (low logic level,
                                             device idle)

   RD    Green       On       Data is being received (high logic level)

   RD     None      Off               Data is not being received

  RTS    Green       On                   RTS signal is high

  RTS    Green      Off                   RTS signal is low

   CD    Green       On                Carrier signal detected

   CD     Red        On              Carrier signal not detected

  DTR    Green       On                   DTR signal is high

  DTR    Green      Off                   DTR signal is low

   NS     Red        On       Local modem not connected to remote modem

   NS     Red       Off         Local modem connected to remote modem

   ER     Red        On      Bit error likely in received signal or error
                                     detected in the test pattern

   ER     Red       Off                   Error not detected

   TM     Red        On      Device has been placed in test mode by local
                                            or remote user

   TM     Red       Off            Device is not conducting a test