Nortel-networks Circuit Card Manual de usuario descargar pdf (Pagina 486)

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101

Page 486 of 906 NT7D16 Data Access card

553-3001-211 Standard 3.00 August 2005

— the DTE mode, and RI has cycled the appropriate number of times

and DCD is asserted on by the modem

Note: In Gateway mode, DCD must be asserted on. In modem mode,

only RI must be on. The DAC asserts DTR to the modem, and awaits

DCD from the modem.

Input requirements

All input must be in the same case (upper or lower).

The Hayes repeat command, A/, is used to immediately execute the last

command entered. The terminator character need not be entered. A complete

discussion of the Repeat command can be found later in this document.

Where a Dial Number is expected, you may enter the characters 0-9, #, and

comma (,). The characters @, P, R, T, and W are accepted, but ignored.

The maximum number of characters is 43. This limit includes the AT prefix,

and the record Terminator character, but does not include the ASCII space

character.

Echo

Throughout the dialogue phase, the DAC echoes all user input. In RS-232-C

modes 0, 1, 2, and 3, no inbound call messages are presented to the modem.

Prompts are presented only if the modem user originates the call. In modes 8,

9, 10, and 11, no prompts or characters echo under any circumstances. The

echo function can be turned off with a Hayes dialing command.

All prompts and responses issued by the system are displayed to the user

unless the display command has been disabled. Like the Repeat command,

this is explained later in this document.

Note: If the RS-232-C DAC Host modes (1, 2, 3, 8, 9, 10, 11, or 12) are

used, all attempts to enable the echo or display is ignored. Likewise, the

Hayes Reset command is also ignored.

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