Computer Expressions 40CG Manual de usuario descargar pdf (Pagina 35)

Computer Gateway User Manual 3-9 5/96

3.2.7

3.2.7 Dispatcher

The Dispatcher activates ACPs when requested by the Communications Handler or by the

ACP Installer.

3.2.8 Communications Handler

The Communications Handler is responsible for "blocking" and "unblocking" messages

between the CG and the host processor. Additionally, it is responsible for message routing

over the two links (if a second link is present).

The Communications Handler receives messages from host processor programs, breaking

them into smaller size transmission blocks as necessary, adds identification, and sends the

packets to the CG through the Protocol Handler/Driver.

The Communications Handler receives the message packets from the CG, assembles the

blocks to reform the message, and routes the message to the program (Task Group ID)

specified in the message.

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Computer Expressions 40CG Manual de usuario Pagina 35