MultiModemZPX User Guide

4 AT Commands, S-Registers, and Result Codes

+DS44?

Reports current options in the following format:

 

direction, 0, 0, max_codewords_tx, max_codewords_rx,

 

max_string_tx, max_string_rx, max_history_tx, max_history_rx.

 

Example: +DS44: 3, 0, 0, 1024, 1024, 255, 255, 5120, 4096.

 

Subparameters

direction

Specifies the DTE direction of the data compression.

0

No compression.

3

Compression in both directions (default).

max_codewords_tx

Specifies the maximum number of code words to be negotiated

 

in the transmit direction.

1024

Default.

256–2048

Maximum number of code words in transmit direction.

max_codewords_rx

Specifies the maximum number of code words to be negotiated

 

in the receive direction.

1024

Default.

256–2048

Maximum number of code words in receive direction.

max_string_tx

Specifies the maximum string length to be negotiated in the

 

transmit direction.

255

Default.

31–255

Maximum string length in transmit direction.

max_string_rx

Specifies the maximum string length to be negotiated in the

 

receivedirection.

255

Default.

31–255

Maximum string length in receivedirection.

max_history_tx

Specifies the maximum length of the history buffer to be nego-

 

tiated in the transmit direction.

5120

Default.

512–11008

History buffer size in transmit direction.

max_history_rx

Specifies the maximum length of the history buffer to be nego-

 

tiated in the receive direction.

4096

Default.

512–11008

History buffer size in receive direction.

Command: +ES=n

Enable Synchronous Buffered Mode

Values:

n = 6

Default:

None

Description:

Allows an H.324 video application direct access to the synchro-

 

nous data channel. On underflow, the modem sends HDLC

 

flag idle (0x7E) to the remote modem.·This special error con-

 

trol mode is overridden by any of the following commands:

 

&F, &M, &Q, or \N.

+ES=6

Enables direct access to the synchronous data channel.

+ES=?

Displays the allowed values.

+ES?

Displays the current value.

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Multi-Tech Systems MT5634ZPX-PCI-V92 manual Subparameters, Enable Synchronous Buffered Mode

MT5634ZPX-PCI-V92 specifications

The Multi-Tech Systems MT5634ZPX-PCI-V92 is a high-performance V.92 data/fax modem designed to enhance communication capabilities in various applications. This modem is particularly well-suited for commercial and industrial environments where reliable connectivity is crucial.

One of the standout features of the MT5634ZPX-PCI-V92 is its support for the V.92 protocol, which allows for quicker uploads and improved connection speeds compared to earlier standards. It offers download speeds of up to 56 Kbps and upload speeds of up to 48 Kbps, making it an excellent choice for businesses that rely on time-sensitive data transmission. The modem's ability to maintain reliable connections even over noisy telephone lines is a critical aspect of its design, ensuring that users can depend on it for essential communications.

The MT5634ZPX-PCI-V92 also includes advanced error correction and data compression technologies, such as MNP 4 and V.42bis. These technologies work together to ensure data integrity during transfers and to maximize throughput, enabling users to send larger files without compromising quality or speed. Additionally, the modem features a robust fax capability, supporting both analog and digital fax transmissions, which is vital for businesses that frequently deal with document sharing.

A notable characteristic of the MT5634ZPX-PCI-V92 modem is its PCI interface, which allows for easy integration into desktop systems. This plug-and-play capability simplifies installation and setup, making it accessible for users with varying levels of technical expertise. The modem is built on a reliable hardware platform, characterized by its durable components, making it ideal for environments where long-term use is expected.

Moreover, the MT5634ZPX-PCI-V92 comes with comprehensive driver support for various operating systems, including Windows and Linux, ensuring compatibility with a wide range of applications. With its combination of speed, reliability, and ease of use, the Multi-Tech Systems MT5634ZPX-PCI-V92 modem remains a popular option for businesses looking to maintain effective communication channels through dial-up connectivity. Whether for data transmission or faxing, it stands as a solid choice for organizations that require dependable performance in a compact form factor.