hat is last in sequence</TD></TR>
<TR><TD>0x1b</TD><TD>Command packet</TD></TR>
</TABLE>

<P>
Data packets that are sent in responce to a single command are numbered
starting from zero.  If all requested data fits in one packet, it has
type 0x03 and sequence 0.

<P>
Command packet has subtype 0x43 or 0x53.  Only the first command packet
in a session has subtype 0x53.

<P>
Maximum length of data field in a packet is 2048 bytes, which yields in
2054 total packet length.

<P>
Checksum is a si