debug frame-relay lmi

when i type command "debug frame-relay lmi",its ouput: #

00:08:28: Serial0(out): StEnq, myseq 7, yourseen 5, DTE up 00:08:28: datagramstart =3D 0xE40D84, datagramsize =3D DTE up 00:08:28: FR encap =3D 0xFCF10309 00:08:28: 00 75 01 01 01 03 02 07 05 00:08:28: 00:08:29: Serial0(in): Status, myseq 7 00:08:29: RT IE1, length 1, type 1 00:08:29: KA IE 3, length 2, yourseq 6, myseq 7 # 00:08:38 Serial0(out): StEnq, myseq 8, yourseen 6, DTE up: 00:08:38: datagramstart =3D 0xE40D84, datagramsize =3D 13 00:08:38: FR encap =3D 0xFCF10309 00:08:38: 00 75 01 01 00 03 02 08 06 00:08:38: 00:08:39: Serial0(in): Status, myseq 8 00:08:39: RT IE 1, length 1, type 0 00:08:39: KA IE 3, length 2, yourseq 7, myseq 8 00:08:39: PVC IE 0x7, length 0x6, dlci 214, status 0x2, bw 0 00:08:39: PVC IE 0x7, length 0x6, dlci 415, status 0x2, bw 0 can anyone explain what's the meaning of "datagramstart" and "FR encap"=A3=ACand the hex digital representative? Thx