Quick-Reference

Configuration

Table A-2.

Front Panel Configuration Options

 

Parameter &

 

326X Menu

Option

Description

 

 

 

ACU OPT’S

ACU Select

Determines which Auto-Call Unit (ACU) the modem uses. To enable SDC: select an ACU

 

 

(ACU Select), a bit-synchronous data format (for the AT and V.25bis ACUs), and

 

 

Mode=Reliable, Auto Reliable, or Speed Auto Reliable (AT*SM).

 

=AT

The AT auto-call unit is used.

 

 

To enable SDC: after selecting AT ACU, select a data format (AT&M). The options are: Sync

 

 

Data, DTR Dial, or Man Dial. Refer to the AT&M option description inTable A-1.

 

:V25b

The V.25bis auto call unit is used.

 

 

To enable SDC: after selecting V25b, select a data format (AT&M). The options are: AsynSync

 

 

or Bitsync (see next parameter, below).

 

:LPDA2

The LPDA-2 auto-call unit is used.

 

 

After selecting LPDA (LPDA transmits data synchronously), to enable SDC, select

 

 

Mode=Reliable, Auto Reliable, or Speed Auto Reliable (AT*SM).

 

:None

No auto call unit is used.

 

 

To enable SDC: after selecting None, choose a synchronous data format using the NoACU Form

 

 

option (discussed later in this table).

 

 

 

 

V25Form

Determines the format of data when the ACU Select option is set to V25b.

 

 

To enable SDC: after selecting V.25bis ACU, choose one of the synchronous data formats

 

 

(AsynSync or Bitsync). Select Mode=Reliable, Auto Reliable, or Speed Auto Reliable

 

 

(AT*SM).

 

=Async

Modem is compatible with asynchronous DTEs.

 

: AsynSync

Modem dials calls asynchronously, but data is passed synchronously.

 

:Bitsync

The DTE uses the bit-synchronous, HDLC-like protocol outlined in the ITU V.25bis

 

 

specification.

 

: Charsync

The DTE uses the character-synchronous protocol outlined in the ITU V.25bis specification.

 

 

NOTE: Charsync is not available for the SDC operating mode.

 

 

 

 

NoAcu Form

This option determines the format of data when ACU Select=off.

 

 

To enable SDC: after selecting ACU Select=None, choose NoAcu Form=Sync. Select

 

 

Mode=Reliable, Auto Reliable, or Speed Auto Reliable (AT*SM).

 

=Async

Asynchronous data is passed in data mode.

 

:Sync

Synchronous data is passed in data mode.

 

 

 

 

Char Length

Applies to asynchronous data applications that use the direct data transfer mode (no error

 

 

correction). The modem ignores this option in the normal, reliable, or auto-reliable data transfer

 

 

modes.

 

 

Do not change this option unless your application requires it. If you must change it, select the

 

 

option that corresponds to the number of bits that your DTE uses to code a character (start bit,

 

 

data bits, parity bit, and stop bit) NOTE: Autobauding works only with 10-bit characters.

 

=8

Modem is compatible with 8-bit characters.

 

:9

Modem is compatible with 9-bit characters.

 

:10

Modem is compatible with 10-bit characters.

 

:11

Modem is compatible with 11-bit characters.

 

 

 

 

V25 Char

Determines the type of character the V.25bis ACU uses.

 

=ASCII

The V.25bis ACU uses ASCII character format.

 

:EBCDIC

The V.25bis ACU uses EBCDIC character format.

 

 

 

Gray shading indicates country-specific options. See Appendix C for your country’s options.

A-34 Configuration Quick Reference

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Telenetics V.34-SDC, 326X V.34, V.32bis Series manual Table A-2 Front Panel Configuration Options
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326X V.34, V.32bis Series, V.34-SDC specifications

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