Oki OKIPOS 441 SerialBlack 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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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.
±.
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.
The factory settings of DIP switch are all on, except for switches ´ and µ.
DIP-SW ²
Switch
Function
ON
OFF
²-±
Baud Rate
See table below
²-²
²-³
Data Length
µ bits
´ bits
²-4
Parity Check
Disabled
Enabled
²-5
Parity
Odd
Even
²-6
Handshake
DTR/DSR
XON/XOFF
²-´
Pin #6 (DSR) reset signal
Valid
Invalid
²-µ
Pin #²5 (INIT) reset signal
Valid
Invalid
Baud Rate Settings Table
Baud Rate
Switch 2-1
Switch 2-2
4µ00BPS
OFF
ON
¶600BPS
ON
ON
±¶²00BPS
ON
OFF
³µ400BPS
OFF
OFF
No. 1
DIP-SW2
2
3
4
5
6
7
8
ON
OFF
DIP switch 2