Explanations Of Invalid Responses - Black Box 325 User Manual

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MODEM 325 AND MODEM 325 CARD

• Each response below is considered an individual message per V.25 bis conventions. A dial command

with intermediate call progress enabled is illustrated:

From DTE

• Spaces in a command from the DTE are optional and ignored.

• Command strings can be upper- or lower-case. Responses are always upper-case.

• Only synchronous data formats are implemented. They include Bisync and SDLC (NRZ format) in

ASCII or EBCDIC. Select NRZ or NRZI format as required by altering register S30.

XPLANATIONS OF

NVALID

Except when stated otherwise, the following explanations for invalid INV responses apply:

INVCU

Any transmission error (parity, framing, etc.).

INVMS

Receiving too many characters for any command.

INVMS

Any command followed by a semicolon (;).

INVPS

This message has one of three possible meanings:

• Any parameter set ending with a semicolon (;).

• Any parameter set containing too many or not enough parameters; this includes

—

any command entered without parameters that requires parameters

—

any command entered with parameters that does not require parameters.

• Any parameter containing too many characters.

120

ESPONSES

To DTE

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325 card