Jaton V.90 user manual Mode Data Rate Affected Data Bps

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Communication software manual and AT Command to modify INIT strings.

XMODEM, YMODEM, ZMODEM

These are file transfer protocols used by the host ( i.e. communication program in the PC). It does error checking and assures data integrity of the file transfer. There are some other protocols. ZMODEM is the most preferred protocol to use.

DATA RATE

The modem recognizes AT commands from the DTE, at any valid data rate from 300 bps to 115,200 bps. However, the DTE should use the data rate specified for each mode:

Mode

Data Rate

Affected Data

 

(bps)

 

Data

300-33,600

Modem-to-modem data rates

(V.34)

300-115,200

DTE-to-modem data rates

Data(Tran

4800-31,200

Modem-to-modem data rates

smit)

 

 

Data(

33,333-57,333

ISP-to modem data rates

Receive)

 

 

Data(

300-115,200

DTE-to-modem data rates

Receive)

 

 

Fax

19,200

AT commends and fax data transfers

Voice

19,200-

AT commands, playback and record modes

 

115,200

(Varies according to compression type)

MNP

Microcom Network Protocol is a data communication protocol that allows error-free interactive communications with a variety of computers or terminals over ordinary voice-grade telephone lines.

LAPM

Link Access Procedure for Modems. An HDLC error correction protocol is for use with error-correcting modems. Part of the CCITT V.42 protocol.

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Contents Communicator Part 15-Radio Interference Iii Page Trademark Acknowledgments Table of Contents Vii Introduction FeaturesModem Communication Data Communication Standards SpecificationsModes of Operations System requirementsFAX Mode Videoconferencing V.80 Support Customer Support Check ListBoard Layout HardwareModem Interfaces Hardware Jumper SettingHardware Installation Steps Page Software Driver installationPage Page Page Click on Change Click on Have Disk… button Page Diagnostics Click on Diagnostics tab Click on the modem installed. And then click on More Info… DIAL-UP with Hyper Terminal Page Page Page Change the Maximum speed if necessary Click on Advanced… Software Installation Communicator V.90 CD-ROM Modem Basic Trouble ShootingNvram Mode Data Rate Affected Data Bps DCD Ccitt Technical tipsProblem Modem would not dial Problems and solutions555 3333 To get a pause Problem Error message Problem Modem does not respond to AT Commands Overview AT CommandsBasic AT Commands AT CommandsH1 Modem goes off-hook Command Description V1 Enable long-form result code. Text or Verbose Ext. Result Code Dial Tone Detect Busy Tone Detect DCD Data Carrier Detect option Default=1 Denies RDL request from remote modem +MS=m Select Modulation Default +MS=V.34, 1, 300, 0 see note Page Modulation Possible rate bps 42/V.42 bis MNP AT Commands Command state, transmit break to remote if in reliable mode Fax Identity Commands Fax Class 1 AT CommandsPage IS-101 Voice AT Commands IS-101 Voice AT Commands+VRX Command Function Default Range Videoconferencing Mode CommandsRegister Summary Registe Function Range Units Saved DefaultSaved in Nvram Register Function Range Units Saved Default Exclusive Obligation Other LimitsOther Statements Services agreementTerms and Conditions Entire Obligation Reducing Warranty Claim RejectionsFor Reseller / Vendor Use Only

V.90 specifications

The Jaton V.90 modem is a classic example of 56K technology that revolutionized dial-up internet connections in the late 1990s. As one of the early models supporting the V.90 standard, this modem enabled users to experience faster internet speeds compared to its predecessors. The V.90 protocol allowed for a maximum download speed of 56 Kbps, offering significant improvements over the previous V.34 modem, which capped out at 33.6 Kbps.

One of the standout features of the Jaton V.90 is its ability to adapt to different line conditions, ensuring optimal performance regardless of the quality of the telephone line. The V.90 standard provided a retransmission mechanism that allowed data to be resent if errors occurred during transmission, improving reliability and reducing the likelihood of dropped connections.

The modem incorporates technologies such as error correction and data compression. With built-in error correction protocols like V.42 and MNP, the Jaton V.90 can detect and correct common transmission errors, which is vital in maintaining a stable connection. The data compression technology, which uses MNP Class 5, enhances throughput by compressing data before transmission. As a result, users could effectively increase their upload speeds and minimize latency, creating a more seamless browsing experience.

The hardware features of the Jaton V.90 modem typically include a standard RJ-11 telephone connector, which makes it easy to connect to existing phone lines. The modem may come with both internal and external configurations, allowing flexibility depending on user preferences and system requirements. The external version often features indicator LEDs that provide real-time feedback on connection status, data transfer activity, and power status.

Compatibility is another crucial aspect of the Jaton V.90 modem. Operating with a variety of systems, it was designed to work with Windows, Mac OS, and other operating environments, making it accessible for a wide range of users. Additionally, the modem generally supports various software applications for easy configuration and management.

Ultimately, the Jaton V.90 modem played a pivotal role in facilitating internet access during a transformative period, laying the groundwork for future high-speed connections. While modern broadband solutions have since eclipsed dial-up speeds, the legacy of the Jaton V.90 as a reliable and innovative piece of technology remains significant in the history of internet connectivity.
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