Sontex Supercom 636 - Annex A: Reading Process; 6.1 Reading Process Schematics

Manual Supercom 636 R+W rev. 010312 14
6. Annex A
6.1 Detailed reading process schematics
PC or
pocket
PC
636
Send_UD (Adr. 251 with : current date & time, add
entry to device list, start read radio process)
Ack
Req_UD2 (Adr. 251)
Busy frame (because modem
is in radio communication)
min 100ms
Req_UD2 (Adr. 251)
RSP_UD
SND_NKE (Adr. :254)
Ack
Req_UD2 (Adr. 254)
RSP_UD
min 100ms
Repeat until 636 is not
busy
Repeat to read all
frames of device
Send_NKE (Adr. 251)
Ack