SEALEVEL SYSTEMS, INC.
======================

   ULTRA COMM+2.PCI

   Card Type               Serial card                            
   Chip Set                Unidentified                           
   Maximum Onboard Memory  Unidentified                           
   I/O Options             Serial ports (2)                       
   Hard Drives supported   None                                   
   Floppy drives supported None                                   
   Data Bus                32-bit PCI                             
   Card Size               Full-length, full-height               

<gopher://bitreich.org/I/th99/i/S-T/54523-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |       Function       | Label |      Function       | Label |
   |----------------------+-------+---------------------+-------|
   | Serial Port 1        |  J2   | Serial Port 2       |  J3   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                   PORT 1 TYPE SELECTION                    |
   |------------------------------------------------------------|
   |          Type          |       E1        |       E2        |
   |------------------------+-----------------+-----------------|
   |>> |       RS-232       |      Open       |     Closed      |
   |---+--------------------+-----------------+-----------------|
   |   |     RS-422/485     |     Closed      |      Open       |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                   PORT 2 TYPE SELECTION                    |
   |------------------------------------------------------------|
   |          Type          |       E3        |       E4        |
   |------------------------+-----------------+-----------------|
   |>> |       RS-232       |      Open       |     Closed      |
   |---+--------------------+-----------------+-----------------|
   |   |     RS-422/485     |     Closed      |      Open       |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                PORT 1 TERMINATION SELECTION                |
   |------------------------------------------------------------|
   |             Termination              | Label |  Position   |
   |--------------------------------------+-------+-------------|
   | Add 1K ohm pull-down resistor        |  J1A  | Pins 1 & 2  |
   | (RS-422/485)                         |       |   closed    |
   |--------------------------------------+-------+-------------|
   | Remove 1K ohm pull-down resistor     |  J1A  | Pins 1 & 2  |
   | (RS-422/485)                         |       |    open     |
   |--------------------------------------+-------+-------------|
   | Add 1K ohm pull-up resistor          |  J1A  | Pins 3 & 4  |
   | (RS-422/485)                         |       |   closed    |
   |--------------------------------------+-------+-------------|
   | Remove 1K ohm pull-up resistor       |  J1A  | Pins 3 & 4  |
   | (RS-422/485)                         |       |    open     |
   |--------------------------------------+-------+-------------|
   | Add 120 ohm termination              |  J1A  | Pins 5 & 6  |
   |                                      |       |   closed    |
   |--------------------------------------+-------+-------------|
   | Remove 120 ohm termination           |  J1A  | Pins 5 & 6  |
   |                                      |       |    open     |
   |--------------------------------------+-------+-------------|
   | TX+ connected to RX+ for two wire    |  J1A  | Pins 7 & 8  |
   | operation (RS-485)                   |       |   closed    |
   |--------------------------------------+-------+-------------|
   | TX- connected to RX- for two wire    |  J1A  | Pins 9 & 10 |
   | operation (RS-485)                   |       |   closed    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                PORT 2 TERMINATION SELECTION                |
   |------------------------------------------------------------|
   |             Termination              | Label |  Position   |
   |--------------------------------------+-------+-------------|
   | Add 1K ohm pull-down resistor        |  J2A  | Pins 1 & 2  |
   | (RS-422/485)                         |       |   closed    |
   |--------------------------------------+-------+-------------|
   | Remove 1K ohm pull-down resistor     |  J2A  | Pins 1 & 2  |
   | (RS-422/485)                         |       |    open     |
   |--------------------------------------+-------+-------------|
   | Add 1K ohm pull-up resistor          |  J2A  | Pins 3 & 4  |
   | (RS-422/485)                         |       |   closed    |
   |--------------------------------------+-------+-------------|
   | Remove 1K ohm pull-up resistor       |  J2A  | Pins 3 & 4  |
   | (RS-422/485)                         |       |    open     |
   |--------------------------------------+-------+-------------|
   | Add 120 ohm termination              |  J2A  | Pins 5 & 6  |
   |                                      |       |   closed    |
   |--------------------------------------+-------+-------------|
   | Remove 120 ohm termination           |  J2A  | Pins 5 & 6  |
   |                                      |       |    open     |
   |--------------------------------------+-------+-------------|
   | TX+ connected to RX+ for two wire    |  J2A  | Pins 7 & 8  |
   | operation (RS-485)                   |       |   closed    |
   |--------------------------------------+-------+-------------|
   | TX- connected to RX- for two wire    |  J2A  | Pins 9 & 10 |
   | operation (RS-485)                   |       |   closed    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 PORT 1 ECHO MODE SELECTION                 |
   |------------------------------------------------------------|
   |                Mode                | Label |   Position    |
   |------------------------------------+-------+---------------|
   | RS-422                             |  J1B  |     Open      |
   |------------------------------------+-------+---------------|
   | RTS enabled with no echo (RS-485)  |  J1B  | Pins 3 & 4, 5 |
   |                                    |       |  & 6 closed   |
   |------------------------------------+-------+---------------|
   | RTS enabled with echo (RS-485)     |  J1B  |  Pins 3 & 4   |
   |                                    |       |    closed     |
   |------------------------------------+-------+---------------|
   | Auto enabled with no echo (RS-485) |  J1B  | Pins 1 & 2, 5 |
   |                                    |       |  & 6 closed   |
   |------------------------------------+-------+---------------|
   | Auto enabled with echo (RS-485)    |  J1B  |  Pins 1 & 2   |
   |                                    |       |    closed     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                PORT 2 ECHOL MODE SELECTION                 |
   |------------------------------------------------------------|
   |                Mode                | Label |   Position    |
   |------------------------------------+-------+---------------|
   | RS-422                             |  J2B  |     Open      |
   |------------------------------------+-------+---------------|
   | RTS enabled with no echo (RS-485)  |  J2B  | Pins 3 & 4, 5 |
   |                                    |       |  & 6 closed   |
   |------------------------------------+-------+---------------|
   | RTS enabled with echo (RS-485)     |  J2B  |  Pins 3 & 4   |
   |                                    |       |    closed     |
   |------------------------------------+-------+---------------|
   | Auto enabled with no echo (RS-485) |  J2B  | Pins 1 & 2, 5 |
   |                                    |       |  & 6 closed   |
   |------------------------------------+-------+---------------|
   | Auto enabled with echo (RS-485)    |  J2B  |  Pins 1 & 2   |
   |                                    |       |    closed     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                PORT 1 CLOCK MODE SELECTION                 |
   |------------------------------------------------------------|
   |         DIVIDE          |               J1C                |
   |-------------------------+----------------------------------|
   |            1            |        Pins 1 & 2 closed         |
   |-------------------------+----------------------------------|
   |            2            |        Pins 3 & 4 closed         |
   |-------------------------+----------------------------------|
   |            4            |        Pins 5 & 6 closed         |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                PORT 2 CLOCK MODE SELECTION                 |
   |------------------------------------------------------------|
   |         DIVIDE          |               J2C                |
   |-------------------------+----------------------------------|
   |            1            |        Pins 1 & 2 closed         |
   |-------------------------+----------------------------------|
   |            2            |        Pins 3 & 4 closed         |
   |-------------------------+----------------------------------|
   |            4            |        Pins 5 & 6 closed         |
   +------------------------------------------------------------+