Table 4-1 S - Registers

Register

Function

Range/units Default

S0

Auto-answer Ring

0-255 /rings

0

S1

Ring counter

0-255 /rings

0

S2

Escape code character

0-127 /ASCII

43

S3

Carriage return character

0-127 /ASCII

13

S4

Line feed character

0-127 /ASCII

10

S5

Backspace character

0-32, 127 /ASCII

8

S6

Dial tone wait time

2-255 /seconds

2

S7

Remote carrier wait time

1-255 /seconds

50

S8

Comma pause time

0-255 /seconds

2

S9

Carrier detect response time

1-255 /0.1 second

6

S10

Carrier loss time

1-255 /0.1 second

14

S11

Touch-tone dialing speed

50-255 /milliseconds

95

S12

Escape character guard time

0-255 /0.02 second

50

S13

Reserved

 

 

S14

Echo, response, dialing,

Bit-mapped register

 

 

originate/answer

 

 

S15

Reserved

 

 

S16

Modem tests

Bit-mapped register

0

S17

Reserved

 

 

S18

Length of modem tests

0-255 /seconds

0

S19-20

Reserved

 

 

S21

CTS, DTR, DCD, DSR and

Bit-mapped register

 

 

long space disconnect

 

 

S22

Speaker and response

Bit-mapped register

 

S23

Remote digital loopback

Bit-mapped register

 

 

request, data rate, parity

 

 

S24

Sleep mode timer

0-255 seconds

0

S25

Data terminal ready delay

0-255 /0.01 second

5

S26

RTS to CTS delay interval

0-255 /0.01 second

1

S27

Asynchronous/Bell/CCITT

Bit-mapped register

 

 

modes

 

 

S28

Pulse dial, make/break ratio

Bit-mapped register

 

S29

Flash time

0-255 /0.01second

0

S30

Disconnect timer

0-255 /10 seconds

0

S31

Autoscan, EC result code

Bit-mapped register

 

S32

XON character

0-255 /ASCII

17

S33

XOFF character

0-255 /ASCII

19

S34-35

Reserved

 

 

S36

LAPM failure options

Bit-mapped register

7

S37

Reserved

 

 

S38

Hang-up delay

0-255 /seconds

20

S39

Flow control options

Bit-mapped register

3

S40

MNP options, break types

Bit-mapped register

104

 

block modes

 

 

S41

Compression, retrain

Bit-mapped register

134

S42-45

Reserved

 

 

S46

Data compression control

136 or 138

138

S47

Reserved

 

 

S48

V.42 negotiation options

0, 7, or 128

7

13

Page 15
Image 15
MaxTech 56K BPS, V.34+, K56Plus user manual S Registers, Register Function Range/units Default

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.