Host-Based Controller Modem

Data Addendum

AT Command Set

 

June 15,

1998

 

 

 

 

 

 

 

 

AT Command Summary (continued)

Table 4. The Result Code Summary

 

 

 

 

 

 

 

 

Result Code

Numeric

Description

 

 

 

 

 

 

 

OK

0

Command executed

 

 

CONNECT

1

Modem connected to line

 

 

RING

2

A ring signal has been detected

 

 

 

 

 

 

 

NO CARRIER

3

Modem lost carrier signal, or does not detect carrier signal, or does

 

 

 

 

not detect answer tone

 

 

ERROR

4

Invalid command

 

 

 

 

 

 

 

CONNECT 1200 EC*

5

Connection at 1200 bit/s

 

 

 

 

 

 

 

NO DIALTONE

6

No dial tone detected

 

 

BUSY

7

Busy signal detected

 

 

NO ANSWER

8

Remote end never answered

 

 

 

 

 

 

 

CONNECT 2400 EC*

10

Connection at 2400 bit/s

 

 

 

 

 

 

 

CONNECT 4800 EC*

11

Connection at 4800 bit/s

 

 

 

 

 

 

 

CONNECT 9600 EC*

12

Connection at 9600 bit/s

 

 

CONNECT 14400 EC*

13

Connection at 14400 bit/s

 

 

 

 

 

 

 

CONNECT 19200 EC*

14

Connection at 19200 bit/s

 

 

CONNECT 7200 EC*

24

Connection at 7200 bit/s

 

 

 

 

 

 

 

CONNECT 12000 EC*

25

Connection at 12000 bit/s

 

 

CONNECT 16800 EC*

86

Connection at 16800 bit/s

 

 

 

 

 

 

 

CONNECT 300 EC*

40

Connection at 300 bit/s

 

 

CONNECT 21600 EC*

55

Connection at 21600 bit/s

 

 

CONNECT 24000 EC*

56

Connection at 24000 bit/s

 

 

 

 

 

 

 

CONNECT 26400 EC*

57

Connection at 26400 bit/s

 

 

 

 

 

 

 

CONNECT 28800 EC*

58

Connection at 28800 bit/s

 

 

 

 

 

 

 

CONNECT 31200 EC*

59

Connection at 31200 bit/s

 

 

CONNECT 33600 EC*

60

Connection at 33600 bit/s

 

 

 

 

 

 

 

CONNECT 38400 EC*

28

Connection at 38400 bit/s (DTE rate)

 

 

CONNECT 57600 EC*

18

Connection at 57600 bit/s (DTE rate)

 

 

 

 

 

 

 

CONNECT 115200 EC*

87

Connection at 115200 bit/s (DTE rate)

 

 

DELAYED

88

Delay is in effect for the dialed number

 

 

 

 

 

 

 

BLACKLISTED

89

Dialed number is blacklisted

 

 

BLACKLIST FULL

90

Blacklist is full

 

 

CONNECT 32000 EC*

70

Connection at 32000 bit/s (K56flex mode) or V.90

 

 

 

 

 

 

 

CONNECT 34000 EC*

71

Connection at 34000 bit/s (K56flex mode)

 

 

 

 

 

 

 

CONNECT 36000 EC*

72

Connection at 36000 bit/s (K56flex mode) or V.90

 

 

CONNECT 38000 EC*

73

Connection at 38000 bit/s (K56flex mode)

 

 

CONNECT 40000 EC*

74

Connection at 40000 bit/s (K56flex mode) or V.90

 

 

 

 

 

 

 

CONNECT 42000 EC*

75

Connection at 42000 bit/s (K56flex mode)

 

 

 

 

 

 

 

CONNECT 44000 EC*

76

Connection at 44000 bit/s (K56flex mode) or V.90

 

 

 

 

 

 

 

CONNECT 46000 EC*

77

Connection at 46000 bit/s (K56flex mode)

 

 

CONNECT 48000 EC*

78

Connection at 48000 bit/s (K56flex mode) or V.90

 

 

 

 

 

 

 

CONNECT 50000 EC*

79

Connection at 50000 bit/s (K56flex mode)

 

 

CONNECT 52000 EC*

80

Connection at 52000 bit/s (K56flex mode) or V.90

 

 

 

 

 

 

 

CONNECT 54000 EC*

81

Connection at 54000 bit/s (K56flex mode)

 

 

CONNECT 56000 EC*

82

Connection at 56000 bit/s (K56flex mode)

 

 

 

 

 

 

 

CONNECT 28000 EC*

100

Connection at 28000 bit/s (V.90 mode)

 

4

Lucent Technologies Inc.

Version 1.0

Page 4
Image 4
Lucent Technologies Host-Based Controller Modem AT specifications Result Code Summary

Host-Based Controller Modem AT specifications

Lucent Technologies Host-Based Controller Modem AT represents a significant advancement in modem technology, particularly in the realm of telecommunications and data transmission. This modem, renowned for its efficiency and versatility, is characterized by a host-based architecture, which differentiates it from traditional modems that rely heavily on dedicated hardware.

One of the main features of the Lucent Technologies Host-Based Controller Modem AT is its ability to leverage the processing power of the host computer. By utilizing the host's CPU for data encoding and decoding tasks, the modem can reduce the need for specialized hardware components, allowing for a more cost-effective solution. This design not only facilitates lower manufacturing costs but also enhances the overall performance due to the utilization of the host's computational capabilities.

Another notable characteristic is its compliance with the AT command set, which standardizes communications between the modem and the host system. This ensures compatibility with a wide range of software applications and operating systems. The AT command set allows users to control modem functions easily, making it simpler to configure settings, initiate connections, and manage data transfer processes.

The modem also supports various communication protocols, such as V.90 and V.92, enabling high-speed data transmission over traditional telephone lines. With download speeds of up to 56 Kbps and upload speeds of up to 48 Kbps, the Lucent Technologies Host-Based Controller Modem AT is particularly suitable for Internet browsing, email, and other online activities demanding robust data throughput.

Additionally, the modem features built-in error correction and data compression protocols, such as V.42 and V.44, further enhancing the quality and speed of data transmission. These protocols help minimize the impact of line noise and ensure efficient use of bandwidth, leading to improved connection stability and data integrity.

In terms of connectivity, the Lucent Technologies Host-Based Controller Modem AT typically interfaces via a standard serial or USB port, making it compatible with most modern computers. Its compact design and ease of installation make it an appealing choice for both personal and professional use.

Overall, the Lucent Technologies Host-Based Controller Modem AT showcases significant innovation in modem technology, offering users a reliable and efficient solution for high-speed data communications. Its host-based architecture, adherence to the AT command set, and support for advanced communication protocols position it as a vital tool in the ever-evolving landscape of digital connectivity.