YOKOGAWA AQ6370C User Manual

3-7
IM AQ6370C-17EN
Ethernet Interface
1
2
3
4
5
6
7
8
App
Index
Commands that are Necessary for Remote Control over the LAN
The authentication
by OPEN command
is required to remote control over
the LAN.
Both the OPEN and CLOSE commands are also valid in AQ6317 mode.
OPEN
Function Sends the user name and starts user authentication.
Syntax
OPEN<wsp>"username"
username = the user name
Example
OPEN "yokogawa"
-> AUTHENTICATE CRAM-MD5.
Explanation Authentication is carried out with the OPEN command as follows.
For Plain Text Authentication
1. Send OPEN "username" to the AQ6370C/AQ6370D/AQ6373/AQ6373B/AQ6375/
AQ6375B. The response message is received from the AQ6370C/AQ6370D/
AQ6373/AQ6373B/AQ6375/AQ6375B.
2. Confirm that the received message is "AUTHENTICATE CRAM-MD5."
3. Send the password to the AQ6370C/AQ6370D/AQ6373/AQ6373B/AQ6375/
AQ6375B (anything can be input if the user name is anonymous).
4. If the message, "READY" is received from the AQ6370C/AQ6370D/AQ6373/
AQ6373B/AQ6375/AQ6375B, authentication was successful. The AQ6370C/
AQ6370D/AQ6373/AQ6373B/AQ6375/AQ6375B's REMOTE indicator lights, and
sending of remote commands is enabled. If the user name and password are
incorrect, authentication fails and the connections is closed.
For Encrypted Authentication
1. Send OPEN "username" to the AQ6370C/AQ6370D/AQ6373/AQ6373B/AQ6375/
AQ6375B. The response message is received from the AQ6370C/AQ6370D/
AQ6373/AQ6373B/AQ6375/AQ6375B.
2. Confirm that the received message is "AUTHENTICATE CRAM-MD5."
3. Send "AUTHENTICATE CRAM-MD5 OK" to the AQ6370C/AQ6370D/AQ6373/
AQ6373B/AQ6375/AQ6375B. The response message (challenge string) is received
from the AQ6370C/AQ6370D/AQ6373/AQ6373B/AQ6375/AQ6375B.
4. The received challenge string and password are processed with an MD5 hash
algorithm (anything can be input if the user name is anonymous).
5. Send the returned hash data (as a 32-character hexadecimal string in lower case)
to the AQ6370C/AQ6370D/AQ6373/AQ6373B/AQ6375/AQ6375B, and receive the
response message.
6. If the message, "READY" is received from the AQ6370C/AQ6370D/AQ6373/
AQ6373B/AQ6375/AQ6375B, authentication was successful. The AQ6370C/
AQ6370D/AQ6373/AQ6373B/AQ6375/AQ6375B's REMOTE indicator lights, and
sending of remote commands is enabled. If the user name and password are
incorrect, authentication fails and the connection is closed.
CLOSE
Function Closes the connection (turns it OFF), and switches to local mode.
Syntax
CLOSE
Example
CLOSE
3.2 Setting Up Ethernet

YOKOGAWA AQ6370C Specifications

General

Brand	YOKOGAWA
Model	AQ6370C
Category	Measuring Instruments
Language	English