US Robotics x2 Courier I-modem Скачать руководство пользователя страница 5 | Manualshive

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Courier

I

-modem 1

Contacting U.S. Robotics

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Содержание x2 Courier I-modem

Страница 1: ...undbreaking new technology that allows your I modem to Use Server Mode x2 and ISDN to send data to x2 client modems at speeds up to 56 kbps Use Symmetric Mode x2 to connect at speeds of 56 or 64 kbps Use ISDN to connect at speeds up to 128 kbps Information about x2 To obtain the latest information about x2 visit the U S Robotics Web Site visit http www usr com x2 ...

Страница 2: ...ritten permission of U S Robotics U S Robotics and the U S Robotics logo are registered trademarks of U S Robotics Any trademarks tradenames service marks or service names owned or registered by any other company and used in this manual are the property of their respective companies U S Robotics assumes no responsibility for errors or omissions in this manual nor does U S Robotics make any commitm...

Страница 3: ...Over Voice 10 Host Mode Multilink PPP 11 Determining TurboPPP Settings 11 Setting Multilink PPP Host and Originate Mode 11 Making Calls With Multilink PPP 12 Dynamic Data Bandwidth Allocation 14 Controlling Dynamic Bandwidth Allocation in MLPPP 14 Controlling Bandwidth Sample Time 14 Setting When the I modem Brings Up the Second Link 15 Setting When the I modem Brings Down the Second Link 15 Enabl...

Страница 4: ...BRI U Model FCC Part 68 Compliance Statement 23 BRI S T Model FCC Part 68 Compliance Statement 23 ...

Страница 5: ... We ve made every effort to provide you with useful accurate information If you have any comments or questions please let us know To do this Contact Contact U S Robotics Technical Support 800 550 7800 Visit the x2 web site http www usr com x2 ...

Страница 6: ...onnect speed of 33333 bps or 29333 bps The I modem then shifts to higher x2 connection rates after monitoring the line conditions and establishing the maximum x2 connect rate for that line After waiting several seconds for the higher connection speed to be established view theATI6 screen to determine what speeds the Courier I modem has shifted up to after the initial connect Other New I modem Feat...

Страница 7: ...USRobotics Courier I modem Configuration Profile Copyright 19xx 96 U S Robotics All rights reserved Product type US Canada External Options HST V32bis Terbo VFC V34 x2 Fax Options Class 1 Class 2 0 Clock Freq 20 16Mhz Eprom 256k Ram 32k Supervisor date 01 16 97 DSP date 01 16 97 Supervisor rev 7 0 0 DSP rev 2 0 0 Serial Number serial number OK Note Dates serial numbers and revision numbers may var...

Страница 8: ...rks were established they were completely analog Over time telephone companies began replacing portions of their analog networks with digital circuits which provided a higher telephone signal quality at a more economical price Today the PSTN is almost entirely digital Typically the only portion of the telephone network that remains analog is the line that connects your home to the telephone compan...

Страница 9: ...de MP I modem or NETServer I modem with x2 Making x2 Work To use x2 the client x2 modem must connect to a server x2 modem If clients attempt to connect to ISPs that do not use x2 the client modem will negotiate the next available modulation For example an x2 client modem calling into an ISP that only supports V 34 the modem will only negotiate the highest v 34 connection rate The maximum V 34 conn...

Страница 10: ...t at speeds of 56 or 64 kbps in both directions over a 3 1 kHz voice call V2 3 For x2 Symmetric Mode to work our I modem must connect to a modem using x2 Symmetric Mode such as another Courier I modem Note In some areas 3 1 kHz voice calls over ISDN are cheaper than data calls Use the following S58 settings to control x2 To do this Use this command Disable x2 S58 0 1 Force A law mode S58 2 1 Disab...

Страница 11: ...ghest possible connect speed N Lowest possible connect speed U Range of possible connect speeds N and U Note The default values for N and U are 0 If you change these values you will limit the speeds at which you can connect U S Robotics recommends that you do not alter these values Limiting the Highest Possible Connect Speed The N command allows you to limit the highest possible connect speed If a...

Страница 12: ...em with x2 connects If a remote modem does not connect to your Courier I modem with x2 at a range between the speeds designated by the N and U commands your Courier I modem with x2 will not allow it to connect Note The link speed associated with the U argument cannot be greater than the link speed associated with N argument Use the following table to understand the relationship between U and N com...

Страница 13: ...x Highest 0 21600 11 45333 22 300 1 24000 12 46666 23 1200 2 26400 13 48000 24 2400 3 28800 14 49333 25 4800 4 31200 15 50666 26 7200 5 33600 16 52000 27 9600 6 33333 17 53333 28 12000 7 37333 18 54666 29 14400 8 41333 19 56000 30 16800 9 42666 20 57333 31 19200 10 44000 21 64000 32 Note For x2 mode links N and U are used to constrain the speed of the higher speed direction of the link ...

Страница 14: ...al calls DOV allows users to pay a lower fee while taking advantage of the digital transmission Protocols Supported by Data Over Voice You can use Data Over Voice with V 120 and Multilink PPP calls Configuring Data Over Voice Use the following V2 settings to control Data Over Voice To force Use these commands V 120 DOV calls V2 0 and S69 5 1 Multilink PPP DOV calls V2 5 and S69 5 1 and the usual P...

Страница 15: ... settings ATI16 Setting Multilink PPP Host and Originate Mode Use the following P settings to control Multilink PPP To do this Use this setting Or these settings Set all PPP related default values P 0 V2 5 S68 2 0 S68 6 0 S69 1 0 D1 2 D2 24 D3 85 D4 60 K 1 Set Asynchronous to Synchronous PPP P 1 S68 2 1 Set Single Link TurboPPP P 2 S68 2 0 S68 3 1 Set Multilink PPP P 3 S68 2 0 S68 3 0 Note Before ...

Страница 16: ...be separated by an as shown in the figure Connection With Multilink PPP below If the modem you re dialing only has one phone number your I modem dials the same number for both calls When only one number is given you don t need to enter the number twice in the PPP software Note When you attempt to dial another I modem you must enter the Data number first and the Voice number second Making an Incomi...

Страница 17: ...Courier I modem 13 Connection With Multilink PPP ...

Страница 18: ...turn off Dynamic Bandwidth Allocation use D0 1 Controlling Dynamic Bandwidth Allocation in MLPPP Use the following D0 settings to control Dynamic Bandwidth Allocation To do this Use this setting Or this setting Enable Dynamic Bandwidth Allocation in MLPPP default D0 0 S68 6 0 Disable Dynamic Bandwidth Allocation in MLPPP D0 1 S68 6 1 Controlling Bandwidth Sample Time Use the following settings to ...

Страница 19: ...nd Link Use the following D4 setting to determine when the I modem should bring down a second link To do this Use this setting Example Determine when the second link should be brought down based on the level of utilization of the existing link D4 n where n equals 50 100 D4 60 60 Enabling the Tone When the I modem Brings up the Second Link Use the following T settings to enable the tone when the I ...

Страница 20: ... the I modem to negotiate compression with the remote host and disable compression between the I modem and your application Setting Modes of Compression Use the following K settings to use compression in TurboPPP mode Use this mode of compression Use this setting Pass through Mode K0 Auto Mode Default K1 Turbo Mode K2 U S Robotics recommends that you enable the compression in your application soft...

Страница 21: ...using PCSDL As a result U S Robotics recommends using PCSDL under DOS onlyor performing software download using the XMODEM file transfer protocol as described in theCourier I modem Command Referencein section 17 2 230 kbps DTE Rate Under Windows If you are using a Windows 95 terminal program you will be unable to set your transmission speed to 230 kbps 230 kbps in Internal I modems The I modem ope...

Страница 22: ...ocal calls and bill digital calls by usage at a metered rate Although all long distance calls are typically metered long distance digital calls tend to be slightly more expensive than long distance analog calls To do this Use this setting Prevent the I modem from behaving like a fax modem over digital connections S68 0 1 When you use this setting and the I modem detects an analog device over a dig...

Страница 23: ... be the problem Do this 1 x2 may not be enabled on your Courier I modem See the section How to Tell if x2 is Enabled Use the ATI7 command 2 There may be a problem with the phone line or the other modem Refer the x2 client modem to x2 documentation 3 There is another issue Do the following Visit the U S Robotics x2 Web Site at http www usr com x2 Contact U S Robotics Technical Support at 800 550 78...

Страница 24: ...5 CONNECT 37333 ARQ 186 CONNECT 37333 x2 187 CONNECT 37333 ARQ x2 188 CONNECT 41333 189 CONNECT 41333 ARQ 190 CONNECT 41333 x2 191 CONNECT 41333 ARQ x2 192 CONNECT 42666 193 CONNECT 42666 ARQ 194 CONNECT 42666 x2 195 CONNECT 42666 ARQ x2 196 CONNECT 44000 197 CONNECT 44000 ARQ 198 CONNECT 44000 x2 199 CONNECT 44000 ARQ x2 200 CONNECT 45333 201 CONNECT 45333 ARQ 202 CONNECT 45333 x2 203 CONNECT 453...

Страница 25: ...CONNECT 49333 ARQ 214 CONNECT 49333 x2 215 CONNECT 49333 ARQ x2 216 CONNECT 50666 217 CONNECT 50666 ARQ 218 CONNECT 50666 x2 219 CONNECT 50666 ARQ x2 220 CONNECT 52000 221 CONNECT 52000 ARQ 222 CONNECT 52000 x2 223 CONNECT 52000 ARQ x2 224 CONNECT 53333 225 CONNECT 53333 ARQ 226 CONNECT 53333 x2 227 CONNECT 53333 ARQ x2 228 CONNECT 54666 229 CONNECT 54666 ARQ 230 CONNECT 54666 x2 231 CONNECT 54666...

Страница 26: ...ONNECT 56000 x2 235 CONNECT 56000 ARQ x2 236 CONNECT 57333 237 CONNECT 57333 ARQ 238 CONNECT 57333 x2 239 CONNECT 57333 ARQ x2 240 CONNECT 64000 241 CONNECT 64000 ARQ 242 CONNECT 64000 x2 243 CONNECT 64000 ARQ x2 There is a complete list of result codes in your Courier I modem Command Reference ...

Страница 27: ...mber CJE USA 30998 DD N Facility Interface Code 02IS5 Service Order Code 6 0Y USOC Jack RJ49C REN Not applicable BRI S T Model FCC Part 68 Compliance Statement This equipment complies with Part 68 of the FCC rules concerning FCC Registration Number CJE USA 30999 DD N Facility Interface Code 02IS5 Service Order Code 6 0F USOC Jack Not applicable REN Not applicable ...

Страница 28: ...24 x2 Addendum This PDF file is based on part number 1 024 990 ...

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