User's Guide for ZyXEL Omni 56K USB Modem

COMMAND

OPTIONS

FUNCTION AND DESCRIPTION

Ref.

Ln

n=0 to 7

Speaker volume control. The higher the

S24.4-6

 

4 *

value, the higher the volume.

 

Mn

 

Speaker control:

S21.1-2

 

M0

Speaker is always OFF.

 

 

M1 *

Speaker is ON until carrier is detected.

 

 

M2

Speaker is always ON.

 

 

M3

Speaker is ON after the last digit is dialed

 

 

 

out. Tone dialing is not heard.

 

O

 

Return to online state.

 

O1

 

Force modem to request a retrain.

 

Qn

 

Result code displayed:

S23.7

 

Q0 *

Modem returns result code.

 

 

Q1

Modem does not return result code.

 

 

Q2

Modem returns result code but quiet after

S40.1

 

 

answering on a RING. (see also S42.2)

 

Sr.b=n

 

Set bit 'b' of S-register 'r' to value 'n'. 'n' is

 

 

 

a binary digit '0' or '1'.

 

Sr.b?

 

Display value of bit 'b' of S-register 'r'.

 

Sr=n

 

Set S-register 'r' to value 'n'. 'n' must be a

 

 

 

decimal number between 0 and 255.

 

Sr?

 

Display value stored in S-register 'r'.

 

T

 

Tone dial.

S23.1

UPX

 

Download firmware to the Flash EPROM

 

 

 

(erasable programmable read-only

 

 

 

memory) by using Xmodem protocol.

 

Vn

 

Sets display type for Result Codes:

S23.6

 

V0

Display result code in numeric form. (See

 

 

 

also S35.7 and the result code table of

 

 

 

'ATXn'.)

 

 

V1 *

Display result code in verbose form.

 

Xn

n=0-7

Result code options, see the Options

S23.3-5

 

5 *

Table.

 

Zn

n=0-2

Reset modem and set power-on profile.

S15.5-7

 

Zn

Reset modem and load user profile n (0-

 

 

 

1).

 

 

Z2

Reset modem and load factory settings.

 

+++

 

Escape sequence code, entered in data

 

 

 

state, wait for modem to return to

 

 

 

command state.

 

5-3

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ZyXEL Communications 56K manual Upx

56K specifications

ZyXEL Communications has long been a key player in networking technologies, and their 56K modems stand out as a testament to the company’s commitment to high-performance connectivity. The ZyXEL 56K modem provides users with efficient dial-up internet service, delivering reliable performance for both home and small office environments.

One of the main features of the ZyXEL 56K modem is its data transfer capability, offering speeds of up to 56 Kbps. This speed is accomplished by utilizing the latest advancements in modem technology, enabling users to experience smoother browsing, faster downloads, and efficient email communications. Despite being primarily a legacy technology, the ZyXEL 56K modem continues to be valued in areas where broadband connectivity options are limited or unavailable.

The ZyXEL 56K modem utilizes V.90 and V.92 standards—these protocols define how data is transferred over phone lines. With the V.90 standard, the modem can achieve a maximum download speed of 56 Kbps while upload speeds can reach up to 33.6 Kbps with the V.92 standard. V.92 also introduces enhanced features such as a modem on hold, enabling users to receive voice calls while connected to the internet.

In terms of characteristics, the ZyXEL 56K modem is designed with user experience in mind. Its compact, lightweight design allows easy installation and placement, making it ideal for both home users and professionals. The intuitive user interface, coupled with straightforward installation procedures, ensures that even those with minimal technical knowledge can set up the device without hassle.

Additionally, the ZyXEL 56K modem supports various connectivity options, including serial and USB interfaces, allowing compatibility with a wide range of computers and operating systems. This versatility ensures that users can seamlessly connect to their existing devices, enabling broad usage opportunities.

The modem also features built-in error correction and data compression techniques, which improve data integrity and optimize transmission speeds. Overall, the ZyXEL Communications 56K modem remains a reliable choice for users who require dependable dial-up internet access, showcasing the brand's dedication to fostering connectivity in diverse environments.