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       # RESEARCH IN MOTION LIMITED
       
          MX25
       
          Card Type         X.25 PAD                                     
          Chip Set          Unidentified                                 
          I/O Options       Printer/diagnostic port                      
          Transfer Rate     19.2Kbps                                     
          Data Bus          External                                     
       
   IMG IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          |       Function        | Label |      Function      | Label |
          |-----------------------+-------+--------------------+-------|
          | RS-232 X.25 to DTE    |  CN1  | Diagnostic/printer |  CN3  |
          |                       |       | port               |       |
          |-----------------------+-------+--------------------+-------|
          | RS-232 to X.25        |  CN2  | DC power           |  CN4  |
          | network transmission  |       |                    |       |
          | device                |       |                    |       |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |                 Setting                 | Label | Position |
          |-----------------------------------------+-------+----------|
          | » | Hardware flow control is not being  | J401  |   Open   |
          |   | used                                |       |          |
          |---+-------------------------------------+-------+----------|
          |   | Hardware flow control is being used | J401  |  Closed  |
          |---+-------------------------------------+-------+----------|
          | » | Factory configured - do not alter   | J201  |   Open   |
          |---+-------------------------------------+-------+----------|
          | » | Factory configured - do not alter   | J402  |   Open   |
          |---+-------------------------------------+-------+----------|
          | » | Factory configured - do not alter   | J403  |   Open   |
          |---+-------------------------------------+-------+----------|
          | » | Factory configured - do not alter   | J404  |   Open   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     DIAGNOSTIC LED(S)                      |
          |------------------------------------------------------------|
          | LED  | Color | Status |             Condition              |
          |------+-------+--------+------------------------------------|
          | ERR  |  Red  |   On   | A fatal error has occurred (after  |
          |      |       |        |         initial start-up)          |
          |------+-------+--------+------------------------------------|
          | ERR  |  Red  |  Off   |   A fatal error has not occurred   |
          |------+-------+--------+------------------------------------|
          | RX1  |  Red  |   On   |   PAD is receiving data from DTE   |
          |------+-------+--------+------------------------------------|
          | RX1  |  Red  |  Off   | PAD is not receiving data from DTE |
          |------+-------+--------+------------------------------------|
          | TX1  |  Red  |   On   |  PAD is transmitting data to DTE   |
          |------+-------+--------+------------------------------------|
          | TX1  |  Red  |  Off   |  PAD is not transmitting data to   |
          |      |       |        |                DTE                 |
          |------+-------+--------+------------------------------------|
          |  HP  |  Red  |   On   |   PAD is waiting for an incoming   |
          |      |       |        |                call                |
          |------+-------+--------+------------------------------------|
          |  HP  |  Red  |  Off   | PAD is busy and not waiting for an |
          |      |       |        |           incoming call            |
          |------+-------+--------+------------------------------------|
          | COMP |  Red  |   On   |    X.25 link to network is good    |
          |------+-------+--------+------------------------------------|
          | COMP |  Red  |  Off   |  X.25 link to network is not good  |
          |------+-------+--------+------------------------------------|
          | RX2  |  Red  |   On   | PAD is receiving data from network |
          |------+-------+--------+------------------------------------|
          | RX2  |  Red  |  Off   |   PAD is not receiving data from   |
          |      |       |        |              network               |
          |------+-------+--------+------------------------------------|
          | TX2  |  Red  |   On   |    PAD is transmitting data to     |
          |      |       |        |              network               |
          |------+-------+--------+------------------------------------|
          | TX2  |  Red  |  Off   |  PAD is not transmitting data to   |
          |      |       |        |              network               |
          |------+-------+--------+------------------------------------|
          | CONT |  Red  |   On   |      X.25 call has connected       |
          |------+-------+--------+------------------------------------|
          | CONT |  Red  |  Off   |     No X.25 call has connected     |
          |------+-------+--------+------------------------------------|
          | PWR  |  Red  |   On   |            Power is on             |
          |------+-------+--------+------------------------------------|
          | PWR  |  Red  |  Off   |            Power is off            |
          |------------------------------------------------------------|
          |      Note:LEDs will blink during self-test sequence.       |
          +------------------------------------------------------------+