User's Guide for ZyXEL Omni 56K USB Modem

COMMAND

Bit

dec

hex

FUNCTION AND DESCRIPTION

Ref.

 

 

 

 

stands for ZyXEL connection).

 

S14=

bit

dec

hex

Bit-mapped register:

+002

 

1

0

0

Grant Remote Digital Loop-back test request.

&T4

 

 

2

2

Deny Remote Digital Loop-back test request.

&T5*

S15=

bit

dec

hex

Bit-mapped register.

+066

 

0, 1

0

0

Even parity.

 

 

 

1

1

Odd parity.

 

 

 

2

2

No parity.

*

 

2

0

0

1 stop bit.

*

 

 

4

4

2 stop bits.

 

 

4, 3

0

0

10 bit character length.

*C0*

 

 

8

8

11 bit character length.

*C1

 

 

16

10

9 bit character length.

*C2

 

 

24

18

8 bit character length.

*C3

 

7-5

0

0

Profile 0 as active settings after power on.

Z0

 

 

32

20

Profile 1 as active settings after power on.

Z1

 

 

64

40

Factory default as active settings after power on.

Z2*

S16=

 

dec

hex

Test status register.

+000

 

 

0

0

No test in progress.

&T0

 

 

1

1

Analog Loop-back test in progress.

&T1

 

 

3

3

Local Digital Loop-back test in progress.

&T3

 

 

6

6

Remote Digital Loop-back test in progress.

&T6

 

 

7

7

Remote Digital Loop-back with self-test in progress.

&T7

 

 

8

8

Analog Loop-back with self-test in progress.

&T8

S17=

Bit

dec

hex

Bit-mapped register.

+022

 

4-1

0-30

0-1E

Set transmit power level from 0 to –15 dBm. (See

*Pn

 

 

 

 

also S35b3) (Default *P11)

 

 

5

0

0

Normal dial. (Default)

D

 

 

32

20

Reverse dial, go online in answer mode.

DR

S18=

 

dec

hex

Force modem to fix baud rate when answering.

+000

 

 

0

0

Disable fixed baud function.

 

 

 

1-46

1-2E

Enable baud rate to be fixed when answering. Speed

 

 

 

 

 

value settings (n) the same as S20.

 

S19=

 

dec

hex

Modem connection mode, same.

+000/&Nn

 

 

0-99

0-63

Setting value as 'AT&Nn' command.

 

S20=

 

Dec

hex

DTE speed (bps). Auto-detected from AT Command.

+001

 

 

0

0

230400 bps

 

 

 

1

1

115200 bps (Default)

 

5-23

Page 61
Image 61
ZyXEL Communications 56K manual Enable baud rate to be fixed when answering. Speed

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.