Installation guide

28 DC 900-1564A
Synchronous Link Control (SLC) Programmer’s Guide
ured for SLC envelope service (default), then binding a link places it online for SLC
block transfer. To bind a link, the application must perform the actions listed below.
• The application writes a DLI_ICP_CMD_BIND command.
• The application reads a DLI_ICP_CMD_BIND response with a status field that con-
firms or denies the request.
3.5 Sending an SLC Message
If an ICP link is configured for low-level or high-level SLC network service, then after
the application attaches the ICP link with Master access mode and binds the link, it can
send data messages to the SLC network via the ICP link. To write a message, the appli-
cation must perform the actions listed below.
• The application writes a DLI_PROT_SEND_NORM_DATA command or a
DLI_PROT_SEND_PRIOR_DATA command. Some restrictions might apply due to the
specific configuration of the ICP link.
• The application reads a DLI_PROT_SAFE_STORE_ACK response with a status field
that confirms or denies the request.
3.6 Receiving an SLC Message
If an ICP link is configured for low-level or high-level SLC network service, then after
the application attaches the ICP link with Master access mode and binds the link, it can
receive data messages from the SLC network via the ICP link. To read a message, the
application must perform the actions listed below.
• The application reads a DLI_PROT_SEND_NORM_DATA response or a
DLI_PROT_SEND_PRIOR_DATA response.