Usrobotics V.34 Manual de usuario descargar pdf (Pagina 190)

COURIER HIGH SPEED MODEMS

G-8 Additional Operations

HEWLETT PACKARD INSTALLATIONS

During error control connections, the Courier recognizes the

ASCII ENQ/ACK characters exchanged between many Hewlett

Packard host computers and their terminals. The HP host sends

the terminal an ENQ character at predefined intervals, and

sends no more data until the terminal responds with an ACK

character.

Courier modems manage this ENQ/ACK protocol so that

communication is speeded up, thereby enabling HP terminals to

achieve high speeds on dial-up lines. Special flow control

settings, using the &I command, are required for HP users.

These settings apply to ARQ connections only and to Courier

modems set to either B0 or B1. Disregard other Courier flow

control commands.

Set the Courier to Host mode if it is attached to the host

computer, or to Terminal mode if it is attached to a terminal, as

follows:

Host mode AT&I3 <Enter>

Terminal mode AT&I4 <Enter>

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Usrobotics V.34 Manual de usuario Pagina 190