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

   2089

   Card Type         Interface Converter                          
   Chip Set          Unidentified                                 
   I/O Options       9-pin serial port, network interface via     
                     RJ-45, RJ-11 or terminal block               
   Wiring Type       Unshielded twisted pair                      
   Maximum Data Rate 115.2Kbps                                    
   Data Bus          External                                     

<gopher://bitreich.org/I/th99/i/P-R/55189-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |      Function       | Label |       Function       | Label |
   |---------------------+-------+----------------------+-------|
   | DTE/DCE serial port |  CN1  | UTP interface        |  CN2  |
   | (9-pin connector)   |       | (RJ-45, RJ-11 or     |       |
   |                     |       | terminal block)      |       |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |                 Setting                 | Label | Position |
   |-----------------------------------------+-------+----------|
   |>> | Receive impedance set low (120Ohms) | S1/1  |    On    |
   |---+-------------------------------------+-------+----------|
   |   | Receive impedance set high          | S1/1  |   Off    |
   |   | (16kOhms)                           |       |          |
   |---+-------------------------------------+-------+----------|
   |>> | Echo mode disabled                  | S1/4  |   Off    |
   |---+-------------------------------------+-------+----------|
   |   | Echo mode enabled                   | S1/4  |    On    |
   |---+-------------------------------------+-------+----------|
   |>> | Carrier controlled by RTS           | S2/1  |    On    |
   |---+-------------------------------------+-------+----------|
   |   | Carrier forced high                 | S2/1  |   Off    |
   |---+-------------------------------------+-------+----------|
   |>> | 8ms RTS/CTS delay enabled           | S2/2  |    On    |
   |---+-------------------------------------+-------+----------|
   |   | RTS/CTS delay disabled              | S2/2  |   Off    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                  TRANSMIT LINE IMPEDENCE                   |
   |------------------------------------------------------------|
   |                Setting                 |  S2/3   |  S2/4   |
   |----------------------------------------+---------+---------|
   |>> |       High impedence enabled       |   Off   |   Off   |
   |---+------------------------------------+---------+---------|
   |   |   Intermediate impedence enabled   |   On    |   On    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                2-WIRE/4-WIRE MODE SELECTION                |
   |------------------------------------------------------------|
   |                Setting                |   S1/2   |  S1/3   |
   |---------------------------------------+----------+---------|
   |>> |        2-wire mode enabled        |    On    |   On    |
   |---+-----------------------------------+----------+---------|
   |   |    4-wire mode enabled enabled    |   Off    |   Off   |
   +------------------------------------------------------------+