RAD DATA COMMUNICATIONS
=======================

  CMN-CF8 (SMA)

  Card Type         Modem (synchronous/asynchronous)
  Chipset           Unidentified
  Wire Type         Fiber optic cable
  Maximum Data Rate 19.2Kbps x 2
  Data Modulation   Unidentified
  Data Bus          Proprietary

<gopher://bitreich.org/I/th99/t/P-R/53569-1.png>


  +------------------------------------------------------------+
  |                        CONNECTIONS                         |
  |------------------------------------------------------------|
  |       Function       | Label |      Function       | Label |
  |----------------------+-------+---------------------+-------|
  | Serial data port     |  CN1  | Loopback test       |  SW4  |
  |                      |       | switch              |       |
  |----------------------+-------+---------------------+-------|
  | Fiber optic SMA      |  CN2  |                     |       |
  | cable                |       |                     |       |
  +------------------------------------------------------------+

  +------------------------------------------------------------+
  |                 USER CONFIGURABLE SETTINGS                 |
  |------------------------------------------------------------|
  |                 Setting                 | Label | Position |
  |-----------------------------------------+-------+----------|
  | i Stop bit shortening for asynchronous  | SW1/1 |   Off    |
  | mode set to 12.5%                       |       |          |
  |-----------------------------------------+-------+----------|
  | Stop bit shortening for asynchronous    | SW1/1 |    On    |
  | mode set to 25%                         |       |          |
  |-----------------------------------------+-------+----------|
  | i DCD forced high                       | SW1/4 |    On    |
  |-----------------------------------------+-------+----------|
  | DCD follows RTS                         | SW1/4 |   Off    |
  |-----------------------------------------+-------+----------|
  | i Pin 18 of CN1 has no function         | SW1/5 |   Off    |
  |-----------------------------------------+-------+----------|
  | Pin 18 of CN1 begins local analog       | SW1/5 |    On    |
  | loopback test                           |       |          |
  |-----------------------------------------+-------+----------|
  | i Pin 21 of CN1 has no function         | SW1/6 |   Off    |
  |-----------------------------------------+-------+----------|
  | Pin 21 of CN1 begins remote digital     | SW1/6 |    On    |
  | loopback test                           |       |          |
  |-----------------------------------------+-------+----------|
  | i CN1 is DCE                            |  SW3  |   Off    |
  |-----------------------------------------+-------+----------|
  | CN1 is DTE                              |  SW3  |    On    |
  +------------------------------------------------------------+

  +------------------------------------------------------------+
  |              TRANSMIT CLOCK SOURCE SELECTION               |
  |------------------------------------------------------------|
  |      Setting      |  JP2/A   |  JP2/B  |  JP2/C  |  JP2/D  |
  |-------------------+----------+---------+---------+---------|
  |    i Internal     |  Closed  |  Open   |  Open   |  Open   |
  |-------------------+----------+---------+---------+---------|
  |     External      |   Open   | Closed  |  Open   |  Open   |
  |-------------------+----------+---------+---------+---------|
  |     Received      |   Open   |  Open   | Closed  |  Open   |
  |-------------------+----------+---------+---------+---------|
  | Asynchronous mode |   Open   |  Open   |  Open   | Closed  |
  +------------------------------------------------------------+

  +------------------------------------------------------------+
  |                 RTS TO CTS DELAY SELECTION                 |
  |------------------------------------------------------------|
  |    Setting    |    JP3/A     |    JP3/B     |    JP3/C     |
  |---------------+--------------+--------------+--------------|
  |     0 mS      |    Closed    |     Open     |     Open     |
  |---------------+--------------+--------------+--------------|
  |     8 mS      |     Open     |    Closed    |     Open     |
  |---------------+--------------+--------------+--------------|
  |     68 mS     |     Open     |     Open     |    Closed    |
  +------------------------------------------------------------+

  +------------------------------------------------------------+
  |                   DATA LENGTH SELECTION                    |
  |------------------------------------------------------------|
  |      Setting       |       SW1/2       |       SW1/3       |
  |--------------------+-------------------+-------------------|
  |       8 bits       |        Off        |        Off        |
  |--------------------+-------------------+-------------------|
  |       9 bits       |        Off        |        On         |
  |--------------------+-------------------+-------------------|
  |     i 10 bits      |        On         |        Off        |
  |--------------------+-------------------+-------------------|
  |      11 bits       |        On         |        On         |
  +------------------------------------------------------------+

  +------------------------------------------------------------+
  |                    LINE SPEED SELECTION                    |
  |------------------------------------------------------------|
  |           Setting           |             SW2              |
  |-----------------------------+------------------------------|
  |           1200bps           |          Position 7          |
  |-----------------------------+------------------------------|
  |           2400bps           |          Position 6          |
  |-----------------------------+------------------------------|
  |           3600bps           |          Position 5          |
  |-----------------------------+------------------------------|
  |           4800bps           |          Position 4          |
  |-----------------------------+------------------------------|
  |           7200bps           |          Position 3          |
  |-----------------------------+------------------------------|
  |          i 9600bps          |          Position 2          |
  |-----------------------------+------------------------------|
  |          14.4Kbps           |          Position 1          |
  |-----------------------------+------------------------------|
  |          19.2Kbps           |          Position 0          |
  +------------------------------------------------------------+

  +------------------------------------------------------------+
  |                     DIAGNOSTIC LED(S)                      |
  |------------------------------------------------------------|
  |  LED  |  Color  | Status  |           Condition            |
  |-------+---------+---------+--------------------------------|
  |  PWR  |  Green  |   On    |          Power is on           |
  |-------+---------+---------+--------------------------------|
  |  PWR  |  Green  |   Off   |          Power is off          |
  |-------+---------+---------+--------------------------------|
  |  XMT  | Yellow  |   On    |   Modem is transmitting data   |
  |-------+---------+---------+--------------------------------|
  |  XMT  | Yellow  |   Off   | Modem is not transmitting data |
  |-------+---------+---------+--------------------------------|
  |  RCV  | Yellow  |   On    |    Modem is receiving data     |
  |-------+---------+---------+--------------------------------|
  |  RCV  | Yellow  |   Off   |  Modem is not receiving data   |
  |-------+---------+---------+--------------------------------|
  |  DCD  | Yellow  |   On    |    Carrier signal detected     |
  |-------+---------+---------+--------------------------------|
  |  DCD  | Yellow  |   Off   |  Carrier signal not detected   |
  |-------+---------+---------+--------------------------------|
  |  TST  |   Red   |   On    |     Modem is in test mode      |
  |-------+---------+---------+--------------------------------|
  |  TST  |   Red   |   Off   |   Modem is not in test mode    |
  +------------------------------------------------------------+

  +------------------------------------------------------------+
  |                MISCELLANEOUS TECHNICAL NOTE                |
  |------------------------------------------------------------|
  | This card is intended for use in the CMN-16 rack-mount     |
  | system. The bus is used only for supplying power for the   |
  | card. All other card functions are accessed through the    |
  | serial ports.                                              |
  +------------------------------------------------------------+

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