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Black Box IS425A Manual

Black Box IS425A Manual

Isdn terminal adapter with s/t
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JUNE 2000
IS425A
ISDN Terminal Adapter with S/T
To order or for technical support: Call 724-745-5500 or fax: 724-746-0746
CUSTOMER
Technical support and fax orders 24 hours a day, 7 days a week
SUPPORT
Phone orders 24 hours. 7 A.M. Monday to midnight Friday: Saturday 8 to 4 (Eastern)
INFORMATION
Mail order: Black Box Corporation. 1000 Park Drive. Lawrence, PA 15055-1018
Web site: http://www.blackbox.com
E-mail: info@blackbox.com

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  • Page 1 Technical support and fax orders 24 hours a day, 7 days a week SUPPORT Phone orders 24 hours. 7 A.M. Monday to midnight Friday: Saturday 8 to 4 (Eastern) INFORMATION Mail order: Black Box Corporation. 1000 Park Drive. Lawrence, PA 15055-1018 Web site: http://www.blackbox.com E-mail: info@blackbox.com...
  • Page 2 All brand names and product names are trademarks or registered trademarks of their respective holders. Microsoft does not make any representation or warranty regarding specifications in this document or any product or item developed based on these specifications. Microsoft disclaims all express and implied warranties, including but not limited to the implied warranties or merchantability, fitness for a particular purpose and freedom from infringement.

  • Page 3: Table Of Contents

    1.4 S ..............3 YSTEM ARAMETERS HARDWARE INSTALLATION ............5 2.1 G ..............5 ENERAL ROCEDURES 2.2 A IS425A ..............6 BOUT 2.3 I IS425A..............7 NSTALLING THE SOFTWARE INSTALLATION ............. 9 3.1 S 95 ........9 OFTWARE NSTALLATION FOR INDOWS 3.2 I...
  • Page 4 UMMARY OF ECOMMENDED 11 TROUBLESHOOTING TIPS............79 11.1 C ......... 79 OMMON ROBLEMS AND OLUTIONS APPENDIX A: AT COMMAND SUMMARY........... 83 APPENDIX B: COMMAND RESULT CODE ........... 91 APPENDIX C: DIP SWITCH SETTINGS ..........93 APPENDIX D: IS425A SPECIFICATIONS ..........95...

  • Page 5: Introduction

    IS425A - ISDN Terminal Adapter with S/T-Interface Introduction 1.1 Package Contents Immediately after unpacking the unit, please inspect the contents. The following items should be enclosed: • One BLACK BOX IS425A • One RJ-45 (8 pin connector) to RJ-45 (8 pin connector) Cable •...

  • Page 6: Features

    ♦ Dynamic bandwidth allocation ♦ HDLC transparent ♦ Remote Configuration 1.3 System Requirements The IS425A will perform best if your PC is equipped with the following: • 8 Meg of RAM (minimum) • 3 Meg of Hard Drive Space (for Windows 95 users only) •...

  • Page 7: System Parameters

    Service Profile IDentifier (SPID) When you subscribe to the ISDN line, you need to determine how many SPIDs (one to eight per ISDN line) your application requires. The IS425A can use either one or two SPIDs. The most frequently used SPID formats are:...
  • Page 8 IS425A - ISDN Terminal Adapter with S/T-Interface...

  • Page 9: Hardware Installation

    IS425A - ISDN Terminal Adapter with S/T-Interface Hardware Installation 2.1 General Procedures To ensure a successful installation, we recommend that the installer prepare the following items before proceeding: 1. Select adequate communication software (HyperTerminal, Terminal, ProComm Plus, etc.) Note: For the operation and installation of the communication software, please refer to the communication software manual.

  • Page 10: About Your Is425A

    IS425A - ISDN Terminal Adapter with S/T-Interface 2.2 About Your IS425A LEDs In front of the IS425A there are nine LED indicators. The states of the LEDs are listed below. GREEN YELLOW FLASHING SOLID Power U-Interface U-Interface Line Activated Deactivated...

  • Page 11: Installing The Is425A

    3. Plug the RJ45 cable into the IS425A’s S/T-Interface. Insert the other end of the cable into the ISDN S/T terminal equipment. 4. Plug another RJ11 cable into the IS425A’s Tel 1 and/or Tel 2 Port. Insert the other end of the cable into any analog device (traditional telephone, modem, fax machine or answering machine).
  • Page 12 LEDs should flash in a preset sequence for a few seconds. If the U- Interface line is not plugged into the IS425A then the LED indicators will stop flashing and only the green Power LED and the red Line LED will be lit.

  • Page 13: Software Installation

    IS425A - ISDN Terminal Adapter with S/T-Interface Software Installation 3.1 Software Installation for Windows 95 ® 1. Insert the diskette labeled “BLACK BOX IS425A Installation " Disk 1 of 2” into your PC’s 3.5 (A:) disk drive. 2. Double click the “My Computer” icon.
  • Page 14 IS425A - ISDN Terminal Adapter with S/T-Interface 3. The My Computer window appears. Double Click the “3½ Floppy (A:)” icon. 4. The 3½ Floppy (A:) window appears. Double Click the “Setup.exe” icon.
  • Page 15 IS425A - ISDN Terminal Adapter with S/T-Interface 5. The Setup window appears. 6. The Welcome window appears. Click the Next button.
  • Page 16 IS425A - ISDN Terminal Adapter with S/T-Interface 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:\IS425A or choose your own.
  • Page 17 IS425A - ISDN Terminal Adapter with S/T-Interface ⇒ For our purposes, we will use the default directory C:\IS245A. 9. Once you have chosen the directory, click the Next button. The Setup window appears. 10. The Setup Needs The Next Disk window appears. Insert the diskette labeled, “BLACK BOX...

  • Page 18: Installation For Windows 3.X & Dos

    Follow the installation instructions provided with the communication software (Terminal, ProComm Plus…) you choose. Along with the communication software be sure to use Black Box’s AT Command Set in Chapter 9 of this manual. Note: The Man to Machine Interface (MMI) is designed for use with Windows 95.

  • Page 19: Software Configuration

    IS425A - ISDN Terminal Adapter with S/T-Interface 4 Software Configuration Configuring the IS425A with MMI (Windows 95) 1. If you have just installed the IS425A software, you will see the IS425A window. Click on the IS425A Configuration icon. Proceed to step number 6.
  • Page 20 IS425A - ISDN Terminal Adapter with S/T-Interface 5. Highlight/select and click on IS425A Configuration.
  • Page 21 IS425A - ISDN Terminal Adapter with S/T-Interface 6. The Configuration window appears. Configuration 1. Click the COM Port down arrow button to choose the port connected to the IS425A .
  • Page 22 IS425A - ISDN Terminal Adapter with S/T-Interface 2. In the section labeled Service Profile Identifiers - SPID, click inside the Tel Port #1 window and enter a SPID. A SPID is the number that identifies each terminal equipment to the Telephone Company.
  • Page 23 IS425A - ISDN Terminal Adapter with S/T-Interface 5. Speech/Fax/Modem (Tel Port #1 or Tel Port #2): ⇒ If you choose Speech for either Tel Port, you can choose the Supplementary Services function. ⇒ If you choose Fax/Modem for either Tel Port, you cannot choose the Supplementary Services function.
  • Page 24 9. After you input the proper settings, click the Configure TA button. This sends the new configuration to the IS425A hardware. ⇒ 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.

  • Page 25: Software Configuration For Windows 3.X Or Dos

    600bps, 1200bps, 2400bps, 4800bps, 9600bps, 19200bps, 38400bps, 57600bps, 115200bps and 230400bps. ♦ Data Format: The default data format of the IS425A is 8 data bits no parity bit and 1 stop bit (8N1) format. Besides, 7E1 and 7O1 are also supported by the IS425A.
  • Page 26 Select Tel Port #1 or #2 SPEECH (default) AUDIO ♦ Displaying Configurations: Many features of the IS425A can be customized to suit your needs. The “AT&Vn” command reports summary information on these features, as well as commands and options to set them. For more specific information on each of these commands, see Section “9.6 Description of AT Commands”.

  • Page 27: How To Use The Mmi

    IS425A - ISDN Terminal Adapter with S/T-Interface How To Use the MMI 5.1 Introduction In Chapter 4, you learned to configure the IS425A using the MMI. This chapter will show the added features the MMI provides. 5.2 The Stored DNs Button 1.
  • Page 28 ⇒ This allows only those 10 individuals to contact you when you are on the Internet using both B-Channels (128Kbps). 4. In the section labeled Answer Mode you may set the IS425A to answer automatically. Simply click the circle next to Auto 5.

  • Page 29: The Call Button

    ⇒ If you choose to screen your incoming calls, click the circle next to Accept Calls Listed in the Stored Directory 8. To configure the IS425A with the present settings, click the Configure TA button. 9. To save the present settings, click the Save Data button.
  • Page 30 IS425A - ISDN Terminal Adapter with S/T-Interface 4. The Dial window appears. Enter the number you are calling and click the OK button. 5. The IS425A calls the entered number. 6. To redial the last number you called, click the Redial button.

  • Page 31: The Profiles Button

    5.4 The Profiles Button 1. Click the Profiles button. 2. The Profiles window will open. ⇒ Profile is the setup configuration of the IS425A. 3. To change the start up profile, click the Change start up user profile selection button.
  • Page 32 IS425A - ISDN Terminal Adapter with S/T-Interface 5. To load and use a profile stored in memory as the active profile, click the Load a user profile as the active profile button. ⇒ The user can have 3 profiles. One may be active. The other two are stored in memory.

  • Page 33: The About Button

    IS425A - ISDN Terminal Adapter with S/T-Interface 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. ⇒ This may be used as a diagnostic tool.

  • Page 34: The Help Button

    IS425A - ISDN Terminal Adapter with S/T-Interface 5.6 The Help Button 1. Click the Help button. 2. The Help window opens 3. Highlight your choice and click the mouse button.

  • Page 35: Network Connections

    IS425A - ISDN Terminal Adapter with S/T-Interface Network Connections 6.1 Creating a Network Connection with Windows 95 You must first create a network connection before you make a data call. To make a network connection, follow the steps below: 1. Click the Start button on your taskbar.
  • Page 36 IS425A - ISDN Terminal Adapter with S/T-Interface 4. The Control Panel window appears. Double click the Modems icon. 5. The Modems Properties window appears. Click the Add button.
  • Page 37 IS425A - ISDN Terminal Adapter with S/T-Interface 6. The Install New Modem window appears. Click the “Don’t detect my modem; I will select it from a list” box. Click the Next button. 7. Another Install New Modem window appears. Click the Have Disk button.
  • Page 38 IS425A - ISDN Terminal Adapter with S/T-Interface 8. The Install From Disk window appears. Type in A:\ and click the OK button. Make sure the “BLACK BOX IS425A Installation Disk 1 of 2” is in Drive A of your PC.
  • Page 39 IS425A - ISDN Terminal Adapter with S/T-Interface 10. Another Install New Modem window appears. Highlight Communications Port (the port connected to the IS425A), and click the Next button. 11. The Install New Modem window appears again. Click the Finish button.
  • Page 40 IS425A - ISDN Terminal Adapter with S/T-Interface 12. The Modems Properties window appears. Click the close button.

  • Page 41: Configuring Your Network Connection

    IS425A - ISDN Terminal Adapter with S/T-Interface 6.2 Configuring Your Network Connection 1. On the main menu of Window 95, double click My Computer. 2. Double click the Dial-Up Networking icon. 3. The Dial-Up Networking window appears. Double-click the Make...
  • Page 42 IS425A - ISDN Terminal Adapter with S/T-Interface 4. The Make New Connection window appears. Choose the IS425A setting that you installed earlier and click Next. 5. Enter the number to dial for your connection and click Next.
  • Page 43 IS425A - ISDN Terminal Adapter with S/T-Interface 6. Click Finish to confirm your connection. 7. Right-click on your new connection and choose Properties. Uncheck the “Use country code and area code” box if you do not need it for your application.
  • Page 44 IS425A - ISDN Terminal Adapter with S/T-Interface 8. Click the Server Types tab. 9. 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...
  • Page 45 IS425A - ISDN Terminal Adapter with S/T-Interface 10. If you are using TCP/IP, click the TCP/IP settings button. 11. Set the IP Address and Domain Name Server Addresses as needed by your application. If you are connecting to the Internet, contact your Internet Service Provider for this information.
  • Page 46 IS425A - ISDN Terminal Adapter with S/T-Interface...

  • Page 47: Data Calls

    1. On the main menu of Window 95, double click My Computer. 2. Double click the Dial-Up Networking icon. The Dial-Up Networking window appears. Double click the connection icon (My Connection) that you defined for the Internet access by using the IS425A. (See Chapter 6).
  • Page 48 6. The above window will be displayed. This means the physical connection between the IS425A and the Internet server has been established. The hand shaking is now in progress. When the window below appears, you can use your Internet application program (Browser, News, or file transfer).

  • Page 49: How To Make A Data Call Using At Commands

    IS425A - ISDN Terminal Adapter with S/T-Interface How to make a Data Call Using AT commands The IS425A supports various data call types (HDLC transparent, Async- to-Sync PPP, MultiLink PPP, and V.120). The section, “Making a data call” demonstrates a data call by using the AT Command Set in the terminal emulation program.
  • Page 50 IS425A - ISDN Terminal Adapter with S/T-Interface...

  • Page 51: Supplementary Service

    Each of these features must be provisioned by the Telephone Company before the IS425A can utilize them. • The IS425A provides a Call Waiting tone. It does not provide the Hold-tone. The person on hold will hear nothing. •...

  • Page 52: Disconnecting A Call

    If there is not another active call, then simply hang up the receiver. After a few seconds the IS425A will signal you with a reminder ring. This indicates that there is still a call on hold. Pick the receiver up to connect.

  • Page 53: Drop Last Call

    IS425A - ISDN Terminal Adapter with S/T-Interface • If the second party does not want to enter into a conference call, you can cancel the conference by letting the second party hang up before you do. ⇒ You cannot conference a call that arrives on your call waiting.
  • Page 54 IS425A - ISDN Terminal Adapter with S/T-Interface...

  • Page 55: At Command Set

    IS425A to do a task. You send these commands to your IS425A from your PC using communication software. When the IS425A receives a command, it will respond with an AT result code on your terminal. This chapter explains the AT Commands and its result codes.

  • Page 56: Guidelines For Using At Commands

    Command Mode. The Escape Command Mode Once the IS425A has entered the On-Line state, you may escape from this state by entering the escape sequence “+++”. The escape sequence will cause the IS425A to enter the Escape Command Mode and respond with the “OK”...

  • Page 57: Profile Descriptions Of The Is425A

    To meet different application requirements, the IS425A provides a series of parameters (or registers) through which it can be configured. When the IS425A is in the Command Mode or Escape Command Mode, you can use commands to modify these parameters (or registers) and control the operations of the IS425A.

  • Page 58: Problems In Command Executions

    They can be loaded to replace the current active profile via the command “AT&Fn” where n=0,1,2,5. 9.5 Problems in Command Executions If your IS425A did not execute a command line, make sure the following is correct: • You are in the Command Mode and your command line follows the format described in the paragraph entitled, “Guidelines for Using AT...

  • Page 59: Description Of At Commands

    S0 Register. = Dial Format ATDnumber <ENTER> • “D” is used to instruct the IS425A to dial a telephone number. • Some special characters, like “T”, “P”, “W”, space, and parentheses, will be ignored in a dialing command line. •...
  • Page 60 IS425A. • “DS” is an extension command of “D”. • It tells the IS425A to dial the phone number in the internal phone directory. • The internal phone directory may be stored by the “&Zn” command.
  • Page 61 • “O” command is only effective in the Escape Command Mode. • When the IS425A is in the Escape Command Mode, the “O” will force the IS425A to return to the On-Line state. • Any command that follows the command “O” in the same command...
  • Page 62 Format ATQn <ENTER> Result codes are displayed (default) Result codes are suppressed • “Qn” is used to instruct the IS425A to display or suppress the result code after a command execution. • Suppressing result codes are useful. ⇒ For example: A printer is connected to your IS425A.
  • Page 63 • Sometimes one might need to filter incoming voice calls. After the voice result codes enable, the IS425A will send a RING result code. It will be followed by the caller’s identification telephone number, via its data port once an incoming voice call present. This allows the user...
  • Page 64 • “Zn” loads a user profile as the active profile. • When this command is invoked your IS425A will abort all existing calls and reconfigure itself to the setting stored in the selected user profile. • The “Zn” command must be the last command in the command line.
  • Page 65 (108/2 mode for DTR). IS425A clears data call when it detects an ON-to-OFF transition on DTR. IS425A dials the 0th stored phone number when it detects an OFF-to-ON transition (108/1 mode for DTR). • “&D” determines how the IS425A handles the data terminal ready...
  • Page 66 Bi-directional RS/CS flow control default Bi-directional Xon/Xoff flow control • “&Kn” specifies the local flow control between the IS425A and the DTE. • It takes effect only when the system is in the On-Line state after a data call has been established.
  • Page 67 = Data Set Ready (DR) Control Format AT&Sn <ENTER> DR always on (default) DR on during communication • “&Sn” determines how the IS425A handles the data set ready signal. &V = View Configuration Profile Format AT&Vn <ENTER> Display the active profile.
  • Page 68 Set the attribute of analog port Tel 2 to AUDIO type. • If supplementary service is used and a call comes in while the analog port is in use, the IS425A will send the call waiting tone to the user. This tone signifies the second call. •...
  • Page 69 IS425A - ISDN Terminal Adapter with S/T-Interface • In short if your analog port is connected to a telephone set, you may choose SPEECH type for call waiting service. On the other hand, if it is connected to a modem or FAX machine, it is recommended that you set the port to AUDIO type.
  • Page 70 IS425A - ISDN Terminal Adapter with S/T-Interface !Cn? = Query Switch and SPID Settings Format AT!Cn? <ENTER> n=blank Query all !C settings Query the switch type setting Query the SPID of data port 1 Query the SPID of data port 2...
  • Page 71 You may want your data or analog ports to answer a call according to a list for security or privacy sake. The IS425A can be set to screen incoming calls, so when a call comes in, the IS425A looks up the stored phone directory (stored by “&Zn”...
  • Page 72 • In some cases, one user establishes a 128Kbps Internet session but another user wants to make a voice call. Command @M5=1 will instruct the IS425A to release a B-Channel from the original MP link.
  • Page 73 IS425A - ISDN Terminal Adapter with S/T-Interface %A2? = Query Call Type Format AT%A2? <ENTER> • “%A2?” instructs your IS425A to display the call type for the next data call. %A3=n = Select B-Channel for Leased Line Format AT%A3 =n <ENTER>...
  • Page 74 IS425A - ISDN Terminal Adapter with S/T-Interface = Set the Idle Timer Delay Format AT%L4=n <ENTER> No data forwarding on time-out (default) n=1 to 255 Data forwarding on time out of value multiplied by 50ms • “%L4” is used to define the duration of an interval between successive characters received from the DTE.
  • Page 75 “n” ranges from 0 to 64 and the unit is in kilobits per second. • When “@M8” is set to 0, it indicates the IS425A won’t release a second channel even though the throughput is very low. = Define the Persist Time to Add or Drop a Second...

  • Page 76: S Registers

    (default=0) Read-only. S1 is incremented each time 0-255 Count the IS425A sends a RING result code to the DTE. It is cleared when the call is answered or cleared. (default=0) ASCII code Used to define the escape character.

  • Page 77: Result Code

    Result codes are informational messages sent from the IS425A and displayed on your monitor. These messages are the IS425A’s response to the commands you issue to the IS425A. A result code can be either a word or a numeric representation.
  • Page 78 IS425A has made a 38400bps connection CONNECT 57.6K/{call type} IS425A has made a 57600bps connection CONNECT 115.2K/{call type} IS425A has made a 115200bps connection CONNECT 230.4K/{call type} IS425A has made a 230400bps connection Note: 1. {Caller ID} indicates the phone number of the calling terminal adapter.

  • Page 79: Ordering Isdn

    Ordering a new ISDN line is one of the most challenging steps in creating a digital environment Black Box would like to help make this a smooth transition. Be sure your line has what you want for the best price.

  • Page 80: Suggested Ordering Codes

    IS425A - ISDN Terminal Adapter with S/T-Interface 10.2 Suggested Ordering Codes IS425A (alone) – The IS425A uses both Voice and Data, and can access a variety of the voice capabilities that make ISDN valuable. To use this value, your must decide how to provision your line to get the best value from the telephone company.

  • Page 81: Spids And Iocs

    SPID. Some users and some Telephone Companies prefer to assign IOCs by SPID, and will assign the first 2 SPIDs code “S” for the IS425A (i.e. with a fax machine and answering machine), the third SPID code “V” for the ISDN Telephone, and the last SPID code “P”...

  • Page 82: Summary Of Recommended Iocs

    IS425A - ISDN Terminal Adapter with S/T-Interface 10.4 Summary of Recommended IOCs This is a summary of the IOCs that work best for the IS425A, and usually work easily with other equipment: “S” -- Circuit Switch Voice and Data on both B-Channels with basic voice service and Caller ID.

  • Page 83: Troubleshooting Tips

    ⇒ AT!F0=xx/xx/xx This is usually set for 60/61/62 and corresponds to Conference, Transfer, and Drop. 4. If you are having trouble connecting to the IS425A , and your mouse is locking up, verify which COM Port each is using. If you have a serial mouse using COM Port 1 or 3, then install the IS425A on COM Port 2 or 4.
  • Page 84 IS425A - ISDN Terminal Adapter with S/T-Interface 5. If you are having trouble getting the IS425A to properly configure using the MMI, look at the top of the MMI window. It should say “Black Box ISDN Terminal Adapter with S/T - IS425A MMI Configuration Program Version 2.1”;...
  • Page 85 IS425A - ISDN Terminal Adapter with S/T-Interface 9. If the TEST LED (yellow), DIP Switch 1 (remote configuration) is set to ON (enabled) in the local side. Set DIP Switch 1 to OFF to continue normal usage. If DIP Switch one is OFF, then call...
  • Page 86 IS425A - ISDN Terminal Adapter with S/T-Interface...

  • Page 87: Appendix A: At Command Summary

    IS425A - ISDN Terminal Adapter with S/T-Interface Appendix A: AT Command Summary Note: 1) The information is mandatory when in {} and optional when in [ ] 2) If T, P, or W follow the D command, it will be ignored.
  • Page 88 IS425A - ISDN Terminal Adapter with S/T-Interface ATQn Quiet Mode Control Result Code enabled (default) Result Code disabled ATQ? Query Quiet Mode Control ATS? Query All S Registers ATSn? Query Specific Sn Register ATSn=x Program Sn Register Auto-Answer x=0~255 Rings...
  • Page 89 IS425A - ISDN Terminal Adapter with S/T-Interface Load user profile 1 as active profile Load user profile 2 as active profile AT&Cn Carrier Detect Control Always ON ON during communications (default) AT&Dn Data Terminal Ready Action None Go to Escape Command Mode...
  • Page 90 IS425A - ISDN Terminal Adapter with S/T-Interface AT&Vn View Configuration Profile Active profile User profile 0 User profile 1 System Parameters and Analog Port Setting AT&Wn Store Active Profile as User Profile n=1-2 (the selected suffix of the configurations) AT&Yn...
  • Page 91 IS425A - ISDN Terminal Adapter with S/T-Interface AT!Cn=x Select Switch Type and Set SPIDs AT!C0=0 Auto Detection AT!C0=1 AT&T 5ESS AT!C0=2 AT&T & Siemens NI1 AT!C0=3 NORTEL DMS-100 AT!C0=4 NORTEL NI1 AT!C6=xxxx Program Data Port SPID 1 AT!C7=xxxx Program Data Port SPID 2...
  • Page 92 IS425A - ISDN Terminal Adapter with S/T-Interface AT!Rn=x Screen Incoming Call, for Data Ports and Voice Ports Data Port Voice Port 1 Voice Port 2 Accept all calls (default) Reject all calls Accept calls listed in the stored phone directory(0-9) AT!Tn=x Enable/Disable: Transfer All Call &...
  • Page 93 IS425A - ISDN Terminal Adapter with S/T-Interface AT%A3? Query: B-Channel for Leased Line AT%Hn=x Select HLC (High Layer Capabilities) For Data Port For Voice Port 1 For Voice Port 2 Disable (default) Telephony G2/3 Fax Document Application Profile for G4 FAX Class 1...
  • Page 94 IS425A - ISDN Terminal Adapter with S/T-Interface AT@M3=n Enable/Disable CHAP Disable (default) Enable AT@M3? Query: Enable/Disable CHAP AT@M5=n Enable/Disable “Drop One B Channel for Voice Call” Disable Enable (default) AT@M6=n Level of Data Loading to Add One Channel n=0~64 (*Kbps)

  • Page 95: Appendix B: Command Result Code

    IS425A - ISDN Terminal Adapter with S/T-Interface Appendix B: Command Result Code Result Code: Command was Accepted CONNECT Call Connected RING Indication of Incoming Call NO CARRIER Call Disconnected ERROR Command Error NO DIAL TONE Channel not Available BUSY Line Busy or Delay Call Extend Result Code: (only for ATX1) CONNECT<Baud Rate><Call Type>...
  • Page 96 IS425A - ISDN Terminal Adapter with S/T-Interface...

  • Page 97: Appendix C: Dip Switch Settings

    IS425A - ISDN Terminal Adapter with S/T-Interface Appendix C: DIP Switch Settings Bit 1 Remote ON: Enable OFF: Disable Configuration Bit 2 Local Loopback ON: Enable OFF: Disable Bit 3 Reserved Bit 4 Reserved Bit 5 Reserved Bit 6 Forced Software...
  • Page 98 IS425A - ISDN Terminal Adapter with S/T-Interface...

  • Page 99: Appendix D: Is425A Specifications

    IS425A - ISDN Terminal Adapter with S/T-Interface Appendix D: IS425A Specifications U-Interface • U-Interface conforms to ANSI T1.601, 1992 • Connector: (1) RJ-11 • Line: Two-wire, full duplex • Data Rate: 144Kbps available to subscriber • Line Code: 2B1Q per T1.601, 1992 •...
  • Page 100 IS425A - ISDN Terminal Adapter with S/T-Interface Reserved for PS/2 –40Vdc Reserved for Ps/2 ground S/T-Interface Pin Assignment Data Interface • Data Interface conforms to ANSI • Connector: (1) DB-9 female • Asynchronous data rate: 230.4Kbps • Dial-up Interface: AT command (Async), DTR assertion •...
  • Page 101 IS425A - ISDN Terminal Adapter with S/T-Interface Analog Interface • Analog Interface conforms to ANSI • Connector: (2) RJ-11 • REN: 2 • Power Feeding: -48V, 25mA minimum • Ringing Signal: 87Vrms, 20Hz • Dialing: DTMF & Pulse (10pps & 20pps) •...
  • Page 102 IS425A - ISDN Terminal Adapter with S/T-Interface Environment • Operating Temperature: 32°F to 122°F and 0°C to 50°C • Storage Temperature: -13°F to 140°F and -25°C to 60°C • Relative Humidity: 0 to 95% non-condensing...
  • Page 103 IS425A - ISDN Terminal Adapter with S/T-Interface Appendix E: Glossary ACO Additional Call Offering. A feature in ISDN that allows calls to be received during congestion on one or both B-Channels like call waiting. Implied in CACH/EKTS provisioning. BRI Basic Rate Interface. An ISDN line composed of (2B+D) two 64Kbps B-Channels and one 16Kbps D-Channel.
  • Page 104 IS425A - ISDN Terminal Adapter with S/T-Interface ISP Internet Service Provider. A company that provides access to the Internet. Kbps Kilobits per second (1000 bits per second). A term used to describe the speed of transferring data. LED Light Emitting Diode. A diode placed within a circuit. It lights indicating specified statuses.
  • Page 105 IS425A - ISDN Terminal Adapter with S/T-Interface TE Terminal Equipment. ISDN compatible equipment that translates the digital signal to a user interface (phone, modem, TA, or PC…) TEI Terminal Endpoint Identifier. A subfield in the LAPD address field that identifies a given TE device on the ISDN interface.
  • Page 106 CERTIFICATION NOTICE FOR EQUIPMENT USED IN CANADA The Canadian Department of Communications label identifies certified equipment. This certification means that the equipment meets certain telecommunications network protective, operational and safety requirements. The department does not guarantee the equipment will work to the user's satisfaction.
  • Page 107 FEDERAL COMMUNICATIONS COMMISSION and CANADIAN DEPARTMENT OF COMMUNICATIONS RADIO FREQUENCY INTERFERENCE STATEMENT Class B Digital Device. This equipment has been tested and found to comply with the limits for a Class B computing device pursuant to Part 15 of the FCC Rules.

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