Oki OKIPOS 441 ParallelBlack Users Guide - Page 44
RS-232C Interface Model
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10-1. RS-232C Interface Model The RS-232C interface model is equipped with DIP switches on the serial interface board unit to change the communication settings. Change the settings for DIP switch No. 2 according to the following procedures. 1. Turn off the printer and all components connected to it. 2. Remove the 2 screws. 3. Remove the serial interface board unit. 4. Change the setting of the DIP switches. 5. Replace the serial interface board unit. Then secure it with the screws. 6. Turn on the printer and all components connected to it. ON OFF No. 1 2 3 4 5 6 7 8 DIP-SW2 DIP switch 2 The factory settings of DIP switch are all on, except for switches 7 and 8. Switch 2-1 2-2 2-3 2-4 2-5 2-6 2-7 2-8 Function DIP-SW 2 Baud Rate Data Length Parity Check Parity Handshake Pin #6 (DSR) reset signal Pin #25 (INIT) reset signal ON OFF See table below 8 bits Disabled Odd DTR/DSR Valid Valid 7 bits Enabled Even XON/XOFF Invalid Invalid Baud Rate Settings Table Baud Rate 4800BPS 9600BPS 19200BPS 38400BPS Switch 2-1 OFF ON ON OFF Switch 2-2 ON ON OFF OFF - 40 -
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