You want the chart on Page 70 for a receive frame. http://ftp1.digi.com/support/documentation/90002173_N.pdf
What you are seeing is a bit field. C2 is equal to 1100 0010.
Bits 6 and 7 are 11 in this example, so you are seeing Digimesh. also bit 1 is set so you are receiving a broadcast packet.