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       # TALKING TECHNOLOGY, INC.
       
          POWERLINE II
       
          Card Type   Telephony                                          
          I/O Options Telephone line in (2), microphone in, speaker out, 
                      volume control                                     
          Data Bus    8-bit ISA                                          
          Line Type   Switched-line                                      
       
   IMG IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          |        Function        | Label |     Function      | Label |
          |------------------------+-------+-------------------+-------|
          | Switched line in       |  CN1  | Microphone in     |  CN4  |
          |------------------------+-------+-------------------+-------|
          | 2-wire leased line in  |  CN2  | Volume control    |  R1   |
          |------------------------+-------+-------------------+-------|
          | Speaker out            |  CN3  |                   |       |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |              Setting               | Label |   Position    |
          |------------------------------------+-------+---------------|
          | Card will use 8K shared RAM block  |  JP3  |  Pins 2 & 3   |
          |                                    |       |    closed     |
          |------------------------------------+-------+---------------|
          | Card will use 16K shared RAM block |  JP3  |  Pins 1 & 2   |
          |                                    |       |    closed     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     SHARED RAM ADDRESS                     |
          |------------------------------------------------------------|
          | Setting |    JP4     |    JP5     |    JP6     |    JP7    |
          |---------+------------+------------+------------+-----------|
          | C0000h  | Pins 1 & 2 | Pins 1 & 2 | Pins 1 & 2 | Pins 2 &  |
          |         |   closed   |   closed   |   closed   | 3 closed  |
          |---------+------------+------------+------------+-----------|
          | C2000h  | Pins 1 & 2 | Pins 1 & 2 | Pins 2 & 3 | Pins 2 &  |
          |         |   closed   |   closed   |   closed   | 3 closed  |
          |---------+------------+------------+------------+-----------|
          | C4000h  | Pins 1 & 2 | Pins 2 & 3 | Pins 1 & 2 | Pins 2 &  |
          |         |   closed   |   closed   |   closed   | 3 closed  |
          |---------+------------+------------+------------+-----------|
          | C6000h  | Pins 1 & 2 | Pins 2 & 3 | Pins 2 & 3 | Pins 2 &  |
          |         |   closed   |   closed   |   closed   | 3 closed  |
          |---------+------------+------------+------------+-----------|
          | C8000h  | Pins 2 & 3 | Pins 1 & 2 | Pins 1 & 2 | Pins 2 &  |
          |         |   closed   |   closed   |   closed   | 3 closed  |
          |---------+------------+------------+------------+-----------|
          | CA000h  | Pins 2 & 3 | Pins 1 & 2 | Pins 2 & 3 | Pins 2 &  |
          |         |   closed   |   closed   |   closed   | 3 closed  |
          |---------+------------+------------+------------+-----------|
          | CC000h  | Pins 2 & 3 | Pins 2 & 3 | Pins 1 & 2 | Pins 2 &  |
          |         |   closed   |   closed   |   closed   | 3 closed  |
          |---------+------------+------------+------------+-----------|
          | CE000h  | Pins 2 & 3 | Pins 2 & 3 | Pins 2 & 3 | Pins 2 &  |
          |         |   closed   |   closed   |   closed   | 3 closed  |
          |---------+------------+------------+------------+-----------|
          | D0000h  | Pins 1 & 2 | Pins 1 & 2 | Pins 1 & 2 | Pins 1 &  |
          |         |   closed   |   closed   |   closed   | 2 closed  |
          |---------+------------+------------+------------+-----------|
          | D2000h  | Pins 1 & 2 | Pins 1 & 2 | Pins 2 & 3 | Pins 1 &  |
          |         |   closed   |   closed   |   closed   | 2 closed  |
          |---------+------------+------------+------------+-----------|
          | D4000h  | Pins 1 & 2 | Pins 2 & 3 | Pins 1 & 2 | Pins 1 &  |
          |         |   closed   |   closed   |   closed   | 2 closed  |
          |---------+------------+------------+------------+-----------|
          | D6000h  | Pins 1 & 2 | Pins 2 & 3 | Pins 2 & 3 | Pins 1 &  |
          |         |   closed   |   closed   |   closed   | 2 closed  |
          |---------+------------+------------+------------+-----------|
          | D8000h  | Pins 2 & 3 | Pins 1 & 2 | Pins 1 & 2 | Pins 1 &  |
          |         |   closed   |   closed   |   closed   | 2 closed  |
          |---------+------------+------------+------------+-----------|
          | DA000h  | Pins 2 & 3 | Pins 1 & 2 | Pins 2 & 3 | Pins 1 &  |
          |         |   closed   |   closed   |   closed   | 2 closed  |
          |---------+------------+------------+------------+-----------|
          | DC000h  | Pins 2 & 3 | Pins 2 & 3 | Pins 1 & 2 | Pins 1 &  |
          |         |   closed   |   closed   |   closed   | 2 closed  |
          |---------+------------+------------+------------+-----------|
          | DE000h  | Pins 2 & 3 | Pins 2 & 3 | Pins 2 & 3 | Pins 1 &  |
          |         |   closed   |   closed   |   closed   | 2 closed  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                         INTERRUPT                          |
          |------------------------------------------------------------|
          |Setting | JP8/A  | JP8/B  | JP8/C  | JP8/D  | JP8/E | JP8/F |
          |--------+--------+--------+--------+--------+-------+-------|
          |  IRQ2  | Closed |  Open  |  Open  |  Open  | Open  | Open  |
          |--------+--------+--------+--------+--------+-------+-------|
          |  IRQ3  |  Open  | Closed |  Open  |  Open  | Open  | Open  |
          |--------+--------+--------+--------+--------+-------+-------|
          |  IRQ4  |  Open  |  Open  | Closed |  Open  | Open  | Open  |
          |--------+--------+--------+--------+--------+-------+-------|
          |  IRQ5  |  Open  |  Open  |  Open  | Closed | Open  | Open  |
          |--------+--------+--------+--------+--------+-------+-------|
          |  IRQ6  |  Open  |  Open  |  Open  |  Open  |Closed | Open  |
          |--------+--------+--------+--------+--------+-------+-------|
          |  IRQ7  |  Open  |  Open  |  Open  |  Open  | Open  |Closed |
          |--------+--------+--------+--------+--------+-------+-------|
          |Disabled|  Open  |  Open  |  Open  |  Open  | Open  | Open  |
          +------------------------------------------------------------+