[ 4 ] Transmission Control Sequences
Shown below is a typical message transmission sequence supported by the BHT-Ir
protocol. This sequence example does not include transmission errors or negative
responses.
Establishment
of Data Link
(Phase 1)
D
L
E
D
L
E
Data Transmis-
sion (Phase 2)
D
L
E
D
L
E
Release of Data
Link (Phase 3)
Chapter 3. Communications Operations of BHT-6000
Sending Station
DLE ENQ and IDm*
S
I
Heading text
O
•
H
D
S
I
Serial
T
•
Data text 1
number
X
D
S
I
Serial
T
Data text n-1
•
number
X
D
S
I
Serial
T
Data text n
•
number
X
D
DLE EOT and IDs
107
Receiving Station
D
E
C
L
T
R
•
E
X
C
D
E
C
L
T
R
•
E
X
C
D
E
C
L
T
R
•
E
X
C
D
E
C
L
T
R
•
E
X
C
*IDm: ID of sending station
**IDs: ID of receiving station
DLE ACK and IDs**
DLE ACK and IDs
DLE ACK and IDs
DLE ACK and IDs
DLE ACK and IDs
DLE ACK and IDs