Specifications

Protocol Messages
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5.3.8 Console Command and Poll
This message
is issued by the Console Requester in the command system
and is received by the Console Server in the target system. The
Console Command and Poll message
consists of:
CODE CONTROL COMMAND
FLAGS DATA
Where:
CODE
(1) : B =
The number 17.
CONTROL FLAGS (1) : BM =
The control flags indicate the state of the console carrier
message streams. They insure that messages are not lost.
bit function
0 Message Number - indicates the current message number. This
is a one bit sequence number of the current Console Requester
command message.
1 Command Break Flag
- indicates if the (possibly null) command
data is to be preceded by a break condition in the serial byte
stream. This may take on the value of zero, meaning no break,
or one, meaning there is a break.
COMMAND DATA (*) : =
This is a (possibly null) sequence of bytes to be provided as
input
to the receiving system's higher level user of the Console
Server.
5.3.9 Console Response and Acknowledge
This message is issued by the Console Server in the target system in
response to the receipt of a Console Command and Poll message from the
Console Requester in the command system. The Console Response and
Acknowledge message consists of:
CODE CONTROL RESPONSE
FLAGS DATA
Where:
CODE
(1) : B =