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Chapter 7: Troubleshooting Tips

UTA120 User’s Guide

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Summary of Contents for UTA120

Page 1: ...UTA120 User s Guide Alpha Telecom Inc USA ...

Page 2: ......

Page 3: ...UTA120 User s Guide Revision 2 1 August 2008 Copyright 1997 All rights reserved ...

Page 4: ...veloped based on these specification or any portion of a specification will not infringe any copyright patent trade secret or other intellectual property right of any person or entity in any country It is your responsibility to seek licenses for such intellectual property rights where appropriate Microsoft shall not be liable for any damages arising out of or in connection with the use of these sp...

Page 5: ... new rules under Docket 87 389 and is not affected by Section 15 37 transition rule This equipment is registered under Part 68 Operation is subject to the following two conditions 1 This device may not cause harmful interference 2 This device must accept any interference received including interference that may cause undesired operation FCC REG NO 6ABTAI 24553 DE N ...

Page 6: ... protect it from over heating These openings must not be blocked or covered This product should never be placed on or over a radiator or heat register This product should not be placed in a built in installation unless proper ventilation is provided Never push objects of any kind into this product through cabinet slots as they may touch dangerous voltage points or short out parts that could result...

Page 7: ...The Stored DNs Button 9 The Call Button 10 The Profiles Button 10 The About Button 11 The Help Button 11 4 Network Connections and Data Calls 13 Installing The UTA120 as a Modem 13 Creating Your Network Connection 14 Making a Data Call with Windows 95 14 Making a Data Call Using the AT Command Set 15 5 Supplementary Services 17 Introduction to Call Management Features 17 Flash 17 Retrieving a Call...

Page 8: ...scription of AT Commands 22 S Registers 34 Result Codes 35 7 Troubleshooting Tips 37 Appendix A ISDN Ordering 39 Basics of Ordering ISDN 39 Suggested Ordering Codes 40 Alternative IOCs 41 Appendix B Specifications 43 U Interface 43 S T Interface 43 Data Interface 44 Analog Interface 44 Power 45 Switch Capability 45 Physical Dimensions 45 Operating System 45 Advanced Features 45 Environment 45 ...

Page 9: ...y Disk Ø One UTA120 User s Guide Ø One Quick Installation Guide Ø One Power Supply If any items are missing or damaged during shipment please contact the distributor or reseller where you purchased the product We recommend that the customer retain the packaging container and material SYSTEM REQUIREMENTS The UTA120 will perform best if your PC is equipped with the following Ø 8M of RAM minimum Ø 3M...

Page 10: ...r data communication 4 Check the packing list If something is missing call your UTA120 vendor 5 Be sure to register your UTA120 to validate your warranty INSTALLING THE HARDWARE Warning Always turn the UTA120 power off before connecting or disconnecting cables 1 Plug the DB9 cable into the UTA120 s DATA port Insert the other end of the cable into a communication port on the PC workstation or other...

Page 11: ...hen the LED indicators will stop flashing and only the green Power LED and the red Line LED will be lit If everything is connected the Line LED will turn green For a complete description of the States of the LED indicators see Table 1 2 Bit 1 Remote Configuration ON enable OFF disable Bit 2 Local Loopback ON enable OFF disable Bit 3 Reserved Bit 4 Reserved Bit 5 Reserved Bit 6 Forced Software Down...

Page 12: ...Chapter 1 Introduction UTA120 User s Guide 4 ...

Page 13: ...indow appears Double click the Setup exe icon 5 The Setup window appears 6 The Welcome window appears Click the Next button 7 The Choose Destination Location window appears 8 If you click the Browse button the Choose Directory window appears You may leave the default directory C UTA120 or choose your own 9 Once you have chosen the directory click the Next button The Setup Needs The Next Disk windo...

Page 14: ...cal phone company assigns SPIDs Only the Data Port and the Tel Ports can share SPIDs The Tel Port or Data Port cannot share the same SPID with any S T devices 4 In the section labeled Directory Numbers click inside the Tel Port 1 window and enter the phone directory number that corresponds to the Tel Port 1 SPID window Notice that the DN is automatically copied to Data Port 1 5 Repeat steps 2 and ...

Page 15: ...cide to make a voice call In this mode one of the B Channels will drop allowing the call to go through reconnecting when the call is finished 9 After you input the proper settings click the Configure TA button This sends the new configuration to the UTA120 hardware Note This is now your active profile i e the one you are using It will not be stored as a user profile unless you do so SPIDs and DNs ...

Page 16: ...ility with AT Bn x Ø n Analog Port n 1 for Analog Port 1 Ø AT Bn 0 is SPEECH setting default Ø AT Bn 1 is FAX MODEM setting which stops supplementary services 5 Reboot the unit for the new ISDN line configuration by typing ATR 6 Set the Data Call Type using the AT Fn command Ø AT F0 HDLC Ø AT F1 PPP 64K Internet Ø AT F2 MLP 128K Internet Ø AT F3 AIMUX 128K Ø AT F5 V 120 64K Internet in some places...

Page 17: ...ory 4 In the section labeled Stored Telephone Numbers you may program up to five 5 phone numbers Note Only calls from these 5 numbers will be accepted when you are on the Internet using both B Channels 128Kbps and when you have selected the Accept Calls listed in the Stored Directory option in the Call Screen Mode section of the Advanced Configuration Window 5 In the section labeled Answer Mode yo...

Page 18: ...Call Info button To choose the port you want to view click the circle next to the desired port The history information will show in the Status box THE PROFILES BUTTON 1 Click the Profiles button 2 The Profiles window will open Note Profile is the setup configuration of the UTA120 3 To change the start up profile click the Change start up user profile selection button 4 Click the circle next to the...

Page 19: ... already you will copy over one of the profiles stored 9 To view the settings of each profile click the View the active or user profile button Then click the circle next to the profile wanted 10 To actually change the individual profile settings see Chapter 6 the AT Command Set THE ABOUT BUTTON Click the About button to get the UTA120 Version information THE HELP BUTTON 1 Click the Help button 2 T...

Page 20: ...Chapter 3 Advanced Configuration UTA120 User s Guide 12 ...

Page 21: ... Install New Modem window appears Click the Have Disk button 8 The Install From Disk window appears Type in A and click the OK button Make sure the UTA120 Installation Disk 1 of 2 is in Drive A of your PC 9 The Open window appears Highlight and double click Win95 10 The Win95 folder opens and the uta120 inf file is placed in the file name box Click the OK button 11 The Install From Disk window app...

Page 22: ...Server Types tab and check and or uncheck the Advanced options and Allowed network protocols as needed by your application If you are connecting to the internet you need to contact your Internet Service Provider for this information 9 If you are using TCP IP click the TCP IP settings button 10 Set the IP Address and Domain Name Server Addresses as needed by your application If you are connecting t...

Page 23: ...the terminal type communication program e g PCPLUS 1 Enter the dialing command ATD phone number ENTER where the phone number is the phone number of the DTE that you wish to connect with and press the Enter key Example ATD4125678 ENTER Ø CONNECT baud rate call type If the above message is displayed the remote site has answered The UTA120 is now in the On Line state Data transfer with the remote sit...

Page 24: ...Chapter 4 Network Connections and Data Calls UTA120 User s Guide 16 ...

Page 25: ...e a disconnect If you flash to quickly the UTA120 may not recognize the flash Note It s a good idea to practice using flash before you start placing or receiving calls Your analog phone may also have a flash button that could perform this function for you DISCONNECTING A CALL To disconnect an active call press down the telephone receiver button and hold it down at least one second If you have any ...

Page 26: ...ded that you announce to the second call that you are about to put them into a conference call with the first party If the second party does not want to enter into a conference call you can cancel the conference hanging up and waiting for the reminder ring You cannot conference a call that arrives on your call waiting DROP LAST CALL In a conference call you can drop the last party added by using a...

Page 27: ...AL STATES When operating via the AT Command interface the UTA120 is always in one of the following four functional states 1 Command Mode 2 Call in Progress state 3 On Line state 4 Escape Command Mode The Command Mode The Command Mode is the default mode when the UTA120 is powered on or after a disconnect While in this mode the UTA120 accepts commands from the Data Terminal Equipment DTE The On Lin...

Page 28: ...the commands can be invoked just as in the Command Mode In the Escape Command Mode the UTA120 does not terminate the connection with the remote side To return to the On Line state from the Escape Command Mode enter the command ATO GUIDELINES FOR USING AT COMMANDS All AT Commands except the A command begin with the AT prefix and end with pressing the ENTER key A typical AT Command line is shown bel...

Page 29: ...trol the operations of the UTA120 Whenever you modify the values of the parameters registers the system automatically keeps the new values in the volatile memory If you do not save them in a user profile the changes are temporary and last only until the UTA120 is reset The UTA120 supports three types of profiles they contain all the parameters registers Values for these parameters can be saved as ...

Page 30: ...9600 4800 2400 1200 or 600bps Ø Type AT and press the ENTER key This will lead to a response of OK If not type AT F0 and press ENTER key If your UTA120 still does not respond its connection with your computer may have a problem or your software s COM port and or IRQ was incorrectly set Ø To ensure you have properly installed your UTA120 and the application software please review the installation i...

Page 31: ...te and wait for an answer The call can be aborted by pressing any key DL Last Data Call Redial Format ATDL ENTER Ø DL is used to redial the previous data call if the phone number still remains in the phone number buffer The phone number will remain there until either the next data call is dialed or the UTA120 is powered off DS Memory Dial Format ATDS n ENTER Ø DS dials the memory number with corre...

Page 32: ...hecksum and firmware version O Go on Line Format ATO ENTER Ø O command is only effective in the Escape Command Mode Ø When the UTA120 is in the Escape Command Mode the O will force the UTA120 to return to the On Line state Q Quiet Mode Control Format ATQn ENTER n 0 Result codes are displayed default n 1 Result codes are suppressed Ø Qn is used to instruct the UTA120 to display or suppress the resu...

Page 33: ...n the section entitled S Registers V Result Code Format Format ATVn ENTER n 0 Result codes are displayed as numbers n 1 Result codes are displayed as text default Ø Vn determines the way result codes are sent to the DTE Ø The relationship between these two forms is shown in the Result Codes section X Connect Result Code Format Format ATXn ENTER n 0 Connect result codes are displayed in short form ...

Page 34: ...d is mandatory after the UTA120 responds OK C Carrier Detect CD Control Format AT Cn ENTER n 0 CD is always on n 1 CD goes on only when a call is established default Ø The CD can be set to indicate a call establishment D Data Terminal Ready Action Format AT Dn ENTER n 0 UTA120 ignores DTR signal n 1 UTA120 enters the Escape Command Mode when the DTR signal goes ON to OFF while UTA120 is during the...

Page 35: ...desired profile is loaded the system is automatically reinitialized K Flow Control Setting Format AT Kn ENTER n 0 Disable flow control n 3 Bi directional RS CS flow control default n 4 Bi directional Xon Xoff flow control Ø Kn specifies the local flow control between the UTA120 and the DTE It takes effect only when the system is in the On Line state for a data call L Display Last Call Information ...

Page 36: ...r Up Format AT Yn ENTER n 1 Select user profile 1 as the default profile n 2 Select user profile 2 as the default profile Z Store Phone Directory Format AT Zn phone number ENTER Ø Zn stores the phone number in index n ranging from 0 to 9 of the phone directory Z List Phone Directory Format AT Z ENTER B Set Analog Port Attribute Format AT Bn x ENTER n 1 x 0 Set the attribute of analog port Tel 1 to...

Page 37: ... type by the following codes 1 is AT T 5ESS Custom switch 2 is AT T or Siemens NI 1 switch 3 is NORTEL DMS 100 Custom switch 4 is NORTEL NI 1 switch Cn Query Switch and SPID Settings Format AT Cn ENTER n blank Query all C settings n 0 Query the switch type setting n 6 Query the SPID of data port 1 n 7 Query the SPID of data port 2 n 8 Query the SPID of the analog port Tel 1 n 9 Query the SPID of t...

Page 38: ...Number Format AT N ENTER R Screen Incoming Calls Format AT Rn x ENTER n 0 Data port n 1 Analog port Tel 1 n 2 Analog port Tel 2 x 0 Accept all incoming calls default x 1 Reject all incoming calls x 2 Accept calls listed in the stored phone directory Ø The Rn instructs the UTA120 to screen an incoming call for an individual port Ø x 0 or 1 forces the UTA120 to answer or reject a call unconditionall...

Page 39: ...el N 2 B2 channel Ø A3 determines which B Channel will be used for leased line connection Ø To make a leased line connection set the bit 3 of the DIP Switch at the rear panel to the ON position Ø The call types AIMUX and Multilink PPP are not supported in leased line application L3 Select Data Forwarding Character Format AT L3 n ENTER n 0 None n 2 Carriage Return default Ø L3 is used to define spe...

Page 40: ...ncryption protocol default n 1 Enable CHAP password encryption protocol Ø CHAP is a password encryption protocol that is used to guarantee the security during password authentication with ISP Ø If CHAP encryption is enabled turn off the CHAP option in your application program For example Require encrypted password option of the server type menu under Dial Up Networking M3 Query CHAP Encryption Sta...

Page 41: ...he throughput is very low M8 Query Level of Data Loading to Drop a Channel Format AT M8 ENTER M9 Define the Persist Time to Add or Drop a Second Channel Format AT M9 n ENTER Ø n ranges from 0 to 255 and the unit is in 5 seconds Ø When M9 is set to 0 the UTA120 connects at 128K at all times possible M9 Query Persist Time to Add or Drop a Channel Format AT M9 ENTER M10 n Program Max retry count for ...

Page 42: ...7 ASCII code Used to define the escape character Escape process is disabled if the value in S2 is greater than 127 default 43 S3 0 127 ASCII code Used to define the character Recognized as a carriage return CR by UTA120 default 13 S4 0 127 ASCII code Used to define the character Recognized as line feed LF by UTA120 default 10 S5 0 127 ASCII code Used to define the character Recognized as backspace...

Page 43: ... use the V0 command to have your UTA120 return numerical responses Num Word Description 0 OK Command has been successfully executed 1 CONNECT UTA120 has made a connection 2 RING Caller ID call type UTA120 has detected an incoming ring 2 VOICE1RING Caller ID A voice call comes in at the analog port Tel 1 2 VOICE2RING Caller ID A voice call comes in at the analog port Tel 2 3 NO CARRIER Line has bee...

Page 44: ...call type UTA120 has made a 57600bps connection 21 CONNECT 115 2K call type UTA120 has made a 115200bps connection 22 CONNECT 230 4K call type UTA120 has made a 230400bps connection Note 1 Caller ID indicates the phone number of the calling terminal adapter 2 DTE speed indicates the COM port speed of your communication software 3 call type indicates the call type of the current data call If you di...

Page 45: ...have set the Data Call Protocol to Asyn to Sync PPP with the PPP Option set to MLP and the Release a Channel for Voice Call is checked Ø The SPIDs and DNs for each Data port and corresponding Tel Port are the same i e Data 1 and Tel 1 are the same Ø Your line is provisioned with CACH EKTS or ACO Without CACH EKTS or ACO the UTA120 will only drop a channel for outgoing calls not incoming calls 4 If...

Page 46: ...Chapter 7 Troubleshooting Tips UTA120 User s Guide 38 ...

Page 47: ...s one to share between each Data and Tel Port If you use additional devices like ISDN phones or Video Conferencing equipment you will need more SPIDs If you need a 128Kbps connection usually you will need 2 SPIDs in the device 2 Some areas do not allow more than 2 SPIDs This problem will soon be solved but it isn t yet This limits you in which devices can be active at a time but good time manageme...

Page 48: ... get CACH EKTS if possible NOTE If you cannot or do not get CACH EKTS it is important that you order Additional Call Offering ACO feature This allows the UTA120 to allow a 128Kbps call to drop to 64Kbps for incoming voice calls Of course if you do not want this feature do not order it For the UTA120 alone the recommended package for full usage is V however V is usually the most expensive It may or...

Page 49: ...ed any more provisioning than the UTA120 unless specifically stated in your routers documentation If the routers use D Channel Packets or AO DI see AO DI earlier this section Video Conferencing Desktop Video Conferencing equipment is an excellent application of ISDN and with the UTA120 some units can bring the Internet or other data applications into the picture Provisioning notes for your video e...

Page 50: ...Appendix A ISDN Ordering UTA120 User s Guide 42 ...

Page 51: ... Kbps available to subscriber Ø Line Code 2B1Q per T1 601 1992 Ø Amplitude 2 5V zero to peak 1 Reserved 2 T IP R ING 3 Reserved 4 U Interface Pin Assignment S T INTERFACE Ø S T Interface conforms to ANSI T1 605 1991 Ø Connector RJ 45 Ø Line Four wire full duplex Ø Data Rate 144 Kbps Ø Line Code AMI 100 duty cycle per T1 605 1992 ITU CCITT I 430 Ø Amplitude 0 75V zero to peak S T Interface Pin Assi...

Page 52: ...cation when using MP PPP BACP RI Ring Indicator DTR Data Terminal Ready CTS Clear to Send TX Transmit RTS Ready to Send RX Receive DSR Data Set Ready DCD Data Carrier Detect ANALOG INTERFACE Ø Analog Interface conforms to ANSI Ø Connector RJ 11 Ø REN 2 Ø Power Feeding 48V 25mA minimum Ø Ringing Signal 87 Vrms 20Hz Ø Dialing DTMF Pulse 10 pps 20 pps Ø Tone Generation Busy Tone Ø Caller ID Interface...

Page 53: ...3mm w x 191mm d x 64mm h Ø 6 w x 7 5 d x 2 5 h Operating System Ø Windows 3 1 3 11 Ø Windows 95 Ø Windows 98 Ø Windows NT4 0 Ø MS DOS Ø UNIX Advanced Features Ø Remote on line configuration Ø Software upgradeable by downloading to the DB9 port Ø Local loopback for DTE initiating loop test Ø Network loopback Environment Ø Operating Temperature 32 F to 122 F 0 C to 50 C Ø Storage Temperature 13 F to...

Page 54: ...Appendix B UTA120 Specifications UTA120 User s Guide 46 ...

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