PATTON ELECTRONICS COMPANY
==========================

   2085

   Card Type         Interface Converter                          
   Chip Set          Unidentified                                 
   I/O Options       25-pin serial port (RS-232),                 
                                                                  
                     network interface via RJ-45, RJ-11, 25-pin   
                     port or terminal block                       
   Wiring Type       Unshielded twisted pair                      
   Maximum Data Rate 115.2Kbps                                    
   Data Bus          External                                     

<gopher://bitreich.org/I/th99/i/P-R/55188-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |        Function         | Label  |    Function     | Label |
   |-------------------------+--------+-----------------+-------|
   | DTE/DCE serial port     |  CN1   | UTP interface   |  CN2  |
   | (25-pin connector)      |        |                 |       |
   |------------------------------------------------------------|
   |                           Note:                            |
   |                                                            |
   | Network interface (CN2) is available with several          |
   | connector options. Device may feature a terminal block,    |
   | RJ-11, RJ-45, or 25-pin (male or female) connector.        |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |                Setting                |  Label  | Position |
   |---------------------------------------+---------+----------|
   | DTE mode                              |   S2    |    On    |
   |---------------------------------------+---------+----------|
   | DCE mode                              |   S2    |   Off    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |                 Setting                 | Label | Position |
   |-----------------------------------------+-------+----------|
   |>> | 8ms RTS/CTS delay enabled           | S1/3  |    On    |
   |---+-------------------------------------+-------+----------|
   |   | RTS/CTS delay disabled              | S1/3  |   Off    |
   |---+-------------------------------------+-------+----------|
   |>> | Echo mode disabled                  | S1/4  |   Off    |
   |---+-------------------------------------+-------+----------|
   |   | Echo mode enabled                   | S1/4  |    On    |
   |---+-------------------------------------+-------+----------|
   |>> | Carrier controlled by RTS           | S1/5  |    On    |
   |---+-------------------------------------+-------+----------|
   |   | Carrier forced high                 | S1/5  |   Off    |
   |---+-------------------------------------+-------+----------|
   |>> | Receive impedance set low (120Ohms) | S1/6  |    On    |
   |---+-------------------------------------+-------+----------|
   |   | Receive impedance set high          | S1/6  |   Off    |
   |   | (16kOhms)                           |       |          |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                  TRANSMIT LINE IMPEDENCE                   |
   |------------------------------------------------------------|
   |                Setting                 |  S1/1   |  S1/2   |
   |----------------------------------------+---------+---------|
   |>> |       High impedence enabled       |   Off   |   Off   |
   |---+------------------------------------+---------+---------|
   |   |   Intermediate impedence enabled   |   On    |   On    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                2-WIRE/4-WIRE MODE SELECTION                |
   |------------------------------------------------------------|
   |                Setting                |   S1/7   |  S1/8   |
   |---------------------------------------+----------+---------|
   |>> |        2-wire mode enabled        |    On    |   On    |
   |---+-----------------------------------+----------+---------|
   |   |    4-wire mode enabled enabled    |   Off    |   Off   |
   +------------------------------------------------------------+