|-
|DS2-10||Do not use|| ||
|-
|}
DMP3250di Extra RS232 DIP-switches
{|{{Prettytable|width: 700px; font-size: 2em;}}
| ||''Function''||''Off (0)''||''On (1)''
|-
|DS3-1||Baudrate Bit0||colspan=2 rowspan=3|0=150, 1=200, 2=300, 3=600, 4=1200, 5=2400, 6=4800, 7=9600 bps
|-
|DS3-2||Baudrate Bit1
|-
|DS3-3||Baudrate Bit2
|-
|DS3-4||Parity On/Off||Enable||Disable
|-
|DS3-5||Parity Even/Odd||Odd||Even
|-
|DS3-6||Data Bits||7bit||8bit
|-
|DS3-7||Stop Bits||1bit||2bit
|-
|DS3-8||Handshake Bit0||colspan=2 rowspan=2|0=RTS(Ready/Busy), 1=Série(XON/XOFF), 2=Série(ETX/ACK), 3=Reserved)
|-
|DS3-9||Handshake Bit1
|-
|DS3-10||Interface||Centronics/Parallel||Serial/RS2322
|-
|}