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'HP 27130B
5
Error in trans-
action given in
the LCN
field.
Not used.
Event Block Description
7
6
5
4
3
2
1
0
byte 1
eve nt code
(replaces high byte LCN)
•
•
I
I
•
•
•
· ·
· ·
· ·
·
2
po rt
10
(replaces low byte
LCN~
·
•
•
•
•
•
•
•
•
•
•
•
•
·
additional in forma t ion ( if any)
·
· · · · · ·
event code field
o
re served,
1
=
data message received.
Message length and type are
given in the information field.
byte 3
4
5
6
7
6
5
4
3
2
1
0
high byte length
•
•
•
•
•
I
I
·
•
· ·
·
· ·
low
byte length
I
I
•
I
•
•
•
I
· · · · · ·
no t used
E
message type
·
•
•
•
•
•
•
•
•
·
•
I
I
·
t ext term for message type
1
message type field
1
=
text terminated on single text
terminator. The text terminator
which terminated the message is
given in byte 6.
4
text terminated by count
5
=
text terminated by parity error
6
text terminated by data overrun
4-38
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