MultiModemZPX User Guide

4 AT Commands, S-Registers, and Result Codes

Command: +PIG=n

PCM Upstream Ignore

 

Values:

n = 0 or 1

 

Default:

1

 

Description:

Controls the use of PCM upstream during V.92 operation.

 

PCM upstream allows faster upload speeds to a V.92 server.

+PIG=0

Disables PCM upstream

 

+PIG=1

Enables PCM upstream

 

+PIG=?

Displays the allowed values

+PIG?

Displays the currrent value

Command: +PMH=n

Modem on Hold Enable

 

Values:

n = 0 or 1

 

Default:

1

 

Description:

Controls whether modem on hold procedures are enabled dur-

 

ing V.92 operation. Normally controlled by a modem on hold

 

program. Values specified by this command are not modified

 

when an AT&F command is issued.

+PMH=0

Enables V.92 modem on hold

+PMH=1

Disables V.92 modem on hold

+PMH=?

Displays the allowed values

+PMH?

Displays the currrent value

Command: +PMHF

V.92 Modem Hook Flash

 

Values:

n/a

 

Default:

n/a

 

Description:

Causes the DCE to go on-hook for a specified period of time,

 

and then return off-hook for at least a specified period of time.

 

The specified period of time is normally one-half second, but

 

may be governed by national regulations. “ERROR” is re-

 

turned if MOH is not enabled.

Command: +PMHR=n Modem on Hold Initiate

 

Values:

n = 0–13

 

Default:

0

 

Description:

Determines if the modem will accept a V.92 Modem on Hold

 

(MOH) request and will set the MoH timeout. Valid only if

 

MOH is enabled and the modem is off-hook or in data mode.

 

Otherwise, ERROR will be returned.

+PMHR=0

Deny MOH request

 

+PMHR=1

Grant MOH request with 10 second timeout

+PMHR=2

Grant MOH request with 20 second timeout

+PMHR=3

Grant MOH request with 30 second timeout

+PMHR=4

Grant MOH request with 40 second timeout

+PMHR=5

Grant MOH request with

1 minute timeout

+PMHR=6

Grant MOH request with

2 minute timeout

+PMHR=7

Grant MOH request with

3 minute timeout

+PMHR=8

Grant MOH request with

4 minute timeout

+PMHR=9

Grant MOH request with

6 minute timeout

+PMHR=10

Grant MOH request with

8 minute timeout

+PMHR=11

Grant MOH request with 12 minute timeout

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Multi-Tech Systems MT5634ZPX-PCI-V92 manual PCM Upstream Ignore, Modem on Hold Enable, Modem Hook Flash
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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.
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