PATTON ELECTRONICS COMPANY 1040 Card Type Short Range Modem Chip Set Unidentified I/O Options 25-pin serial port (RS-232), network interface via RJ-45, RJ-11, or terminal block Wiring Type Unshielded twisted pair Maximum Data Rate 38.4Kbps Data Bus External [Image] CONNECTIONS Function Label Function Label DTE/DCE serial port (25-pin CN1 Twisted pair connector CN2 connector) Note: CN2 is available as either a terminal block, standard RJ-11, or RJ-45 connector USER CONFIGURABLE SETTINGS Setting Label Position Modem is in asynchronous mode SW1/7 On Modem is in synchronous mode SW1/7 Off Carrier forced high SW1/8 Off Carrier controlled by RTS SW1/8 On Asynchronous tolerance range from -2.5% to +1% SW2/3 Off Asynchronous tolerance range from -2.5% to SW2/3 On +2.3% V.52/V.54 tests enabled SW2/8 Off V.52/V.54 tests enabled SW2/8 On DATA RATE Setting SW1/1 SW1/2 SW1/3 SW1/4 1200bps On On On On 1800bps Off On On On 2400bps On Off On On 3600bps Off Off On On 4800bps On On Off On 7200bps Off On Off On 9600bps On Off Off On 14.4Kbps Off Off Off On 19.2Kbps On On On Off 28.8Kbps Off On On Off 38.4Kbps On On Off Off TRANSMIT CLOCK SOURCE Source SW1/5 SW1/6 Transmit clock generated internally On On Transmit clock derived from terminal Off On interface Receive recover clock On Off CHARACTER LENGTH Setting SW2/1 SW2/2 8 bits Off On 9 bits On On 10 bits Off Off 11 bits On Off RTS/CTS DELAY Setting SW2/4 SW2/5 7ms delay On On 53ms delay Off On No delay On Off No delay Off Off WIRE MODE SELECTION Setting SW2/6 SW2/7 4-wire (full duplex) On Off 4-wire (half duplex) On On 2-wire (half duplex) Off On TEST PATTERN GENERATOR Function Label Position 511 test pattern transmitted SW3 1 Normal operation. Test pattern not SW3 2 activated 511/E test pattern transmitted SW3 3 (intentional errors inserted) LOOPBACK TEST SELECTOR Function Label Position Activates local analog loopback SW4 1 Normal operation. Loopback not activated SW4 2 Remote digital loopback initiated SW4 3 DIAGNOSTIC LED(S) LED Color Status Condition ER Red On Bit error likely in received signal or error detected in 511 or 511/E test pattern ER Red Off Error not detected TST Red On Device has been placed in test mode by local or remote user TST Red Off Device is not conducting a test