Sr=n

 

Set register r to value n (n = 0-255).

T

 

Set Tone Dial as default

V_

V0

Numeric responses

 

V1

Word responses

W_

W0

Report DTE speed only

 

W1

Report line speed, error correction

 

 

protocol, and DTE speed.

 

W2

Report DCE speed only

X_

X0

Hayes Smartmodem 300 compatible

 

 

responses/blind dialing.

 

X1

Same as X0 plus all CONNECT

 

 

responses/blind dialing

 

X2

Same as X1 plus dial tone detection

 

X3

Same as X1 plus busy detection/blind

 

 

dialing

 

X4

All responses and dial tone and busy

 

 

signal detection

Y_

Y0

Modem does not send or respond to

 

 

break signals

 

Y1

Modem sends break signal for four

 

 

seconds before disconnecting

Z_

Z0

Reset and retrieve active profile 0

 

Z1

Reset and retrieve active profile 1

3.4

Extended AT Commands

&C_

&C0

Force Carrier Detect Signal High (ON)

 

&C1

Turn on CD when remote carrier is

 

 

present

&D_

&D0

Modem ignores the DTR signal

 

&D1

Modem returns to Command Mode after

 

 

DTR toggle

 

&D2

Modem hangs up, returns to the

 

 

Command Mode after DTR toggle

 

&D3

Resets modem after DTR toggle

&F_

&F

Recall factory default configuration

&G_

&G0

Guard tone disabled

 

&G1

Guard tone disabled

 

&G2

1800 Hz guard tone

&K_

&K0

Disable flow control

 

&K3

Enable RTS/CTS hardware flow

 

 

control

 

&K4

Enable XON/XOFF software flow control

9

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MaxTech K56Plus, 56K BPS, V.34+ user manual Extended AT Commands

V.34+, K56Plus, 56K BPS specifications

MaxTech 56K BPS, K56Plus, and V.34+ are modem technologies that revolutionized data transmission in the late 1990s, allowing users to connect to the Internet at unprecedented speeds. As internet usage skyrocketed during this period, the need for faster, more efficient modem standards became paramount. MaxTech, a prominent player in the telecommunications industry, was at the forefront of this evolution.

One of the standout features of MaxTech 56K modems is their ability to exploit the existing telephone infrastructure for faster data transmission. The 56K BPS technology specifically allowed for download speeds of up to 56 kilobits per second, leveraging a combination of digital signal processing and advanced modulation techniques. This was a significant leap from the earlier 33.6K modems, providing users with enhanced access to online content, file downloads, and multimedia experiences.

K56Plus, another critical technology developed during this era, improved upon the 56K standard by enabling modems to achieve higher speeds in optimal conditions. It utilized both analog and digital transmission paths to maximize throughput, making it more versatile and efficient than its predecessors. This adaptability allowed for better performance in varied line conditions, something essential for comprehensive Internet use.

V.34+, an enhancement of the V.34 modem standard, introduced better error correction and modulation schemes, ensuring more reliable and robust connections. This technology featured improved handling of data corruption and transmission errors, which was vital for maintaining stable internet connectivity during longer sessions, particularly for those downloading large files or streaming audio.

In terms of characteristics, MaxTech modems were known for their user-friendly interfaces and plug-and-play capabilities, making installation a seamless experience for a majority of users. These modems also incorporated technologies such as V.42 error correction and MNP protocol, further enhancing the reliability of data transmission.

Overall, MaxTech 56K BPS, K56Plus, and V.34+ mark a significant chapter in the history of internet connectivity. They provided a foundation for the broadband revolution that followed by pushing the limits of dial-up technology. Their advanced features and robust performance paved the way for an era of enhanced online experiences, shaping the way users interacted with the digital landscape for years to come.