End Character; Negative Responses - Comtech EF Data KP-10 Installation And Operation Manual

KP-10 External Keypad
Operation
Do not use any global address when accessing the RSU unit with the KP-10.
CAUTION
3.1.6 E C
ND HARACTER
As stated previously, each message on the remote link begins with a start character and
ends with an end character
responses.
The end characters are as follows:
!
Commands
!
Responses
3.1.7 N R
EGATIVE
If the terminal receives a message which does not match the established protocol or
cannot be implemented, a negative acknowledgment is sent in response.
Examples of negative responses include:
!
>add/?ER1_PARITY ERROR'cr''lf']
(Error message for received parity errors.)
!
>add/?ER2_INVALID PARAMETER'cr''lf']
(Error message for a recognized command which cannot be implemented or has
parameters which are out of range.)
!
>add/?ER3_UNRECOGNIZABLE COMMAND'cr''lf']
(Error message for unrecognizable command or bad command syntax.)
!
>add/?ER4_CONVERTER IN LOCK MODE'cr''lf']
(Controller in Lock mode, must go to Enable mode first.)
!
>add/?ER5_NOT SUPPORTED BY HARDWARE'cr''lf']
(The command is a legal command, but is not supported by the current hardware
configuration.)
The start and end characters are different for commands and
.
"cr"] (carriage return and end bracket)
] (end bracket)
ESPONSES
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MN/KP10.IOM