Manual Supercom 636 R+W rev. 010312
25
9. Annex D
9.1 Detailed writing process schematics
PC or
PC
636
Send_UD (Adr. 251 with : add entry to device list)
Ack
Send_UD (Adr. 254) with data
Ack
Send_UD (Adr. 251 with : start write
radio process)
Ack
M
or
e s
end_ud ar
e
pos
si
bl
e
Req_UD2 (Adr. 251)
Busy frame (because modem
is in radio communication)
min 100ms
min 100ms
R
epeat
unt
il 636 i
s not
bus
y
Req_UD2 (Adr. 251)
RSP_UD
Send_NKE (Adr. 254)
Ack
Send_NKE (Adr. 251)
Ack