<FORM METHOD="POST" ACTION="/admin">
<INPUT TYPE="HIDDEN" NAME="OP" VALUE="{op}">
+<INPUT TYPE="HIDDEN" NAME="BAUDRATE" VALUE="{?baudrate}">
+<INPUT TYPE="HIDDEN" NAME="BITS" VALUE="{?bits}">
+<INPUT TYPE="HIDDEN" NAME="PARITY" VALUE="{?parity}">
+<INPUT TYPE="HIDDEN" NAME="FLOW" VALUE="{?flow}">
<INPUT TYPE="HIDDEN" NAME="PRINTER_NAME" VALUE="{printer_name}">
<TABLE>