Omron CQM1H-SCB41 Operation Manual page 423

Hayes Modem AT Command Protocol
Password Verification Operation
The number of retries is 3 for password verification.
Data Send/Receive
Data Send/Receive can be executed using sequence No. 553. The send data sent to another exchange is set
in the words specified by the second operand of PMCR. Data received by the PC is stored in the words speci-
fied by the third operand of PMCR.
Operand and Word Settings of PMCR
408
PC
Password verification
(starting #552)
Dispatching
character string
(Retry up to 3 times)
Receiving
password
Verifying
password
Verification
result
Terminating
process
Operand 1 #x553 (x: Communications port)
Operand 2 First address C1 of the words where send data is set
Operand 3 First address C2 of the words where receive data is stored
• Operand 2
C1+0 Number of words from address set for operand 2 to end of data 4 digits BCD
C1+1 Number of bytes of send data
C1+2 Send data (dialling operation)
: (Fill data to left for odd numbers of bytes)
C1+n
• Operand 3
C2+0 Number of bytes of receive data
C2+1 Receive data (dialling operation)
: (Fill data to left for odd numbers of bytes)
C2+n
Personal computer
(remote exchange)
"Password: "
Receiving character
Password Issuing password
When Instruction
Execution Flag
(SR 28908 or
SR 28913) turns
ON.
Appendix N
string
4 digits BCD
ASCII
4 digits BCD
ASCII