User`s guide

B: BSC 2780/3780 Control Procedures
DC 900-1340I 213
Figure B–3: Signon Procedure (Transmit with Immediate Data)
Client Freeway
Remote Station
Signon command = “LOCAL”
LOCAL<ENQ>
REMOTE<ACK0>
Signon response = “REMOTE”
<STX>HELLO<ETX>
<ACK1>
Data Acknowledge
<EOT>
.
.
.
Data block = “HELLO”
Less than
2 seconds
Signon command (no data)
Signon response (no data)
dlWrite
(
DLI_PROT_SEND_SIGNON)
dlRead
(
DLI_PROT_SEND_SIGNON)
dlWrite
(
DLI_PROT_SEND_SIGNON)
dlRead
(
DLI_PROT_SEND_SIGNON)
dlWrite
(
DLI_PROT_SEND_NORM_DATA_EOM)
dlRead
(
DLI_PROT_RESP_LOCAL_ACK)