Page 3 - TEKTRONIX SERVICE OPTIONS
TEKTRONIX SERVICE OPTIONS Tektronix offers the following service options. These options are modular, flexible, and easy to order with your instru-ment. Designed to ease installation and start up, to support tracking of calibration to requirements of ISO9000, andto provide for extended repair coverag...
Page 5 - TLA 700 Series Installation Manual; Table of Contents
TLA 700 Series Installation Manual i Table of Contents General Safety Summary v . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Service Safety Summary vii . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Preface ix . . . . . . . . . . . . . . . . . . ...
Page 6 - ii; List of Figures
Table of Contents ii TLA 700 Series Installation Manual List of Figures Figure 1: Location of ground connections 4 . . . . . . . . . . . . . . . . . . . . . . . Figure 2: Installing modules 5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Figure 3: Installing the empty slot pane...
Page 7 - iii; List of Tables
Table of Contents TLA 700 Series Installation Manual iii List of Tables Table 1: Mainframe operating requirements 3 . . . . . . . . . . . . . . . . . . . . Table 2: Additional accessory connection information 8 . . . . . . . . . . . . Table 3: Line fuses 10 . . . . . . . . . . . . . . . . . . . . . ...
Page 8 - iv
Table of Contents iv TLA 700 Series Installation Manual
Page 9 - General Safety Summary; Only qualified personnel should perform service procedures.; To Avoid Fire or
TLA 700 Series Installation Manual v General Safety Summary Review the following safety precautions to avoid injury and prevent damage tothis product or any products connected to it. To avoid potential hazards, use thisproduct only as specified. Only qualified personnel should perform service proced...
Page 10 - in injury or loss of life.; Terms on the Product.; Symbols and Terms
General Safety Summary vi TLA 700 Series Installation Manual Terms in this Manual. These terms may appear in this manual: WARNING. Warning statements identify conditions or practices that could result in injury or loss of life. CAUTION. Caution statements identify conditions or practices that could ...
Page 11 - vii; Service Safety Summary; Do Not Service Alone.
TLA 700 Series Installation Manual vii Service Safety Summary Only qualified personnel should perform service procedures. Read this ServiceSafety Summary and the General Safety Summary before performing any serviceprocedures. Do Not Service Alone. Do not perform internal service or adjustments of th...
Page 12 - Service Safety; viii
Service Safety viii TLA 700 Series Installation Manual
Page 13 - ix; Preface; The manual consists of the following sections:
TLA 700 Series Installation Manual ix Preface The TLA 700 Series Installation Manual is intended to help you install yourTLA 700 Series Logic Analyzer. Although your TLA 700 Series Logic Analyzermay arrive with all modules installed, you should still follow the steps in thismanual to complete the in...
Page 14 - Related Documentation
Preface x TLA 700 Series Installation Manual Related Documentation In addition to this installation manual, the following documentation is availablefor your TLA 700 Series logic analyzer: The TLA 700 Series Logic Analyzer User Manual provides basic operatinginformation for the TLA 700 Series Logic A...
Page 15 - xi; Service Offerings; Tektronix Service Options can be selected at the time you; Warranty Repair Service
Preface TLA 700 Series Installation Manual xi Service Offerings Tektronix provides service to cover repair under warranty as well as otherservices that are designed to meet your specific service needs. Whether providing warranty repair service or any of the other services listedbelow, Tektronix serv...
Page 16 - xii; For More Information.; Contact your local Tektronix service center or sales; Contacting Tektronix; To write us
Preface xii TLA 700 Series Installation Manual Self Service. Tektronix supports repair to the replaceable-part level by providing for circuit board exchange. Use this service to reduce down-time for repair by exchanging circuit boards forremanufactured ones. Tektronix ships updated and tested exchan...
Page 17 - Basic Installation; Check the Shipping List; NOTE
TLA 700 Series Installation Manual 1 Basic Installation This chapter describes all of the steps needed to install the TLA 700 Series LogicAnalyzer. It is written from the perspective that you purchased most of the itemsuninstalled and you intend to install all of the pieces. If you purchased a logic...
Page 18 - Check the Environmental Requirements; Keep the bottom of the mainframe clear of obstructions to ensure; Portable Mainframe
Basic Installation 2 TLA 700 Series Installation Manual Check the Environmental Requirements Read this section before attempting any installation procedures. This sectiondescribes site considerations, power requirements, and ground connections foryour logic analyzer. The portable mainframe is design...
Page 19 - Table 1: Mainframe operating requirements; Operating Requirements
Basic Installation TLA 700 Series Installation Manual 3 Table 1 lists the operating requirements for the logic analyzers. Refer to theTLA 700 Series Logic Analyzer User Manual for a complete specification list. Table 1: Mainframe operating requirements Requirement TLA 704 Color Portable mainframe TL...
Page 20 - Figure 1: Location of ground connections; Chassis Ground
Basic Installation 4 TLA 700 Series Installation Manual Figure 1 shows chassis ground connections. Use the chassis ground connectionsto connect the grounds of one or more instruments to the logic analyzer to ensurea common ground connection between instruments. WARNING. Do not remove the safety grou...
Page 21 - Install the Modules; on doing so can damage the modules or the logic analyzer.; Figure 2: Installing modules
Basic Installation TLA 700 Series Installation Manual 5 Install the Modules CAUTION. Do not install or remove any modules while the mainframe is powered on; doing so can damage the modules or the logic analyzer. If your logic analyzer does not have the modules preinstalled, install the modulesas sho...
Page 22 - Cover Empty Slots; Figure 3: Installing the empty slot panel covers
Basic Installation 6 TLA 700 Series Installation Manual Cover Empty Slots If you have any unused (empty) slots in your mainframe, you must install blankslot panel covers to meet EMC specifications. Install a blank slot panel cover foreach empty slot as shown in Figure 3. Make sure that the EMI shiel...
Page 23 - Connect the Standard and Other Accessories; Figure 4: Locations of external connectors
Basic Installation TLA 700 Series Installation Manual 7 Connect the Standard and Other Accessories The accessory connections are the same as those you would make on a personalcomputer. The connection points are shown in Figure 4. Use the icons thatappear in the circled areas as a guide. See Table 2 ...
Page 24 - Table 2: Additional accessory connection information
Basic Installation 8 TLA 700 Series Installation Manual Table 2: Additional accessory connection information Item Description Monitor If you use a non-standard monitor, you may need to change thethe Windows 95 display settings to achieve the properresolution for your monitor. Refer to Set the Displa...
Page 25 - Connect the Probes; Figure 5: Connecting the logic analyzer probes
Basic Installation TLA 700 Series Installation Manual 9 Connect the Probes Connect the logic analyzer probes and the optional retaining brackets as shownin Figure 5. Then connect the oscilloscope probes. Match color-coded labels Attach optionalprobe retainerbrackets Figure 5: Connecting the logic an...
Page 26 - Power On the Logic Analyzer; Figure 6: Line fuse and power cord connector locations
Basic Installation 10 TLA 700 Series Installation Manual Power On the Logic Analyzer Follow these steps to power on the logic analyzer for the first time. 1. Check that the line fuse is correct for your application. See Table 3 and Figure 6. Table 3: Line fuses Line voltage Rating Tektronix part num...
Page 27 - Wait for the boot routine and low-level self test to complete.
Basic Installation TLA 700 Series Installation Manual 11 2. Connect the power cord. CAUTION. Although the benchtop mainframe can use the power cord with the 15 A plug, mainframes operating at low line (90 VAC) with four or moreinstrument modules may require the power cord with the 20 A plug. If you ...
Page 28 - Powering Off the Logic Analyzer; When powering off the benchtop mainframe, use the Windows 95 shut; Perform the Incoming Inspection; Checking the Logic
Basic Installation 12 TLA 700 Series Installation Manual Powering Off the Logic Analyzer The portable mainframe has a built-in soft power-off function that safely powersoff the mainframe when you press the On/Standby switch. If you have thebenchtop mainframe, you must power off the mainframe using t...
Page 29 - Create an Emergency Startup Disk; Follow these steps to create the emergency startup disk:; Select the Startup Disk property page.; to create the startup disk.; Back Up User Files; Checking the DSO Probes
Basic Installation TLA 700 Series Installation Manual 13 Connect the oscilloscope probes to the Probe Compensation connector on thefront panel of the DSO module. You can then run the Calibrate Probe function ineach vertical setup page for the module. To check the mainframe diagnostics not covered by...
Page 31 - Installing Microprocessor Support Software; Insert the floppy disk in the disk drive.
TLA 700 Series Installation Manual 15 Installing Microprocessor Support Software Each microprocessor support package comes with setup software and requiredsupport files. Install the microprocessor software using the setup program on thefloppy disk (the following procedure assumes the instrument is a...
Page 33 - The Next Step; Online Help
TLA 700 Series Installation Manual 17 The Next Step Now that you have set up your logic analyzer, you are ready to learn how to usethe logic analyzer for various applications. This chapter provides information onother documentation that you may need to operate your logic analyzer. Online Help The on...
Page 35 - In Case of Problems; Diagnostics
TLA 700 Series Installation Manual 19 In Case of Problems This chapter provides information that addresses problems that you mayencounter while installing your logic analyzer. This chapter does not identifymodule-specific problems relating to performance verification or adjustments.For information o...
Page 36 - Software Problems
In Case of Problems 20 TLA 700 Series Installation Manual Software Problems Your TLA 700 Series Logic Analyzer comes with most software alreadyinstalled. For any suspected software problems, try to isolate the problem to theTLA 700 Series application software or to other installed software. Before r...
Page 37 - Table 4: Troubleshooting
In Case of Problems TLA 700 Series Installation Manual 21 CAUTION. Do not attempt to remove or reinstall modules in the logic analyzer while the logic analyzer is receiving power. Power off the logic analyzer anddisconnect the power cord before removing and installing modules. Failure to doso can da...
Page 39 - TLA 700 Startup Sequence
In Case of Problems TLA 700 Series Installation Manual 23 TLA 700 Startup Sequence The following information is intended to provide troubleshooting hints in casethe logic analyzer fails to complete the startup sequence. You may want to referto Figure 8 on page 24 while reading the following paragrap...
Page 40 - Figure 8: TLA 700 startup sequence
In Case of Problems 24 TLA 700 Series Installation Manual Power on Mainframe kernel test Pass/Fail ? Module 1 kernel test Pass/Fail Module 2 kernel test Pass/Fail Module 3 kernel test Pass/Fail Verify kernel self test status Inhibit failed modules Log failures and build configuration Start TLA 700 a...
Page 41 - Replacing Podlets on the P6417 Logic Analyzer Probe; Figure 9: Moving probe podlets; Moving Probe Podlets
In Case of Problems TLA 700 Series Installation Manual 25 Replacing Podlets on the P6417 Logic Analyzer Probe Although your logic analyzer was fully tested at the factory prior to shipment,there may be reasons to move or replace podlets on your logic analyzer probes. Depending on your application, y...
Page 42 - Equipment and Required Material.; Replacing Probe Podlets
In Case of Problems 26 TLA 700 Series Installation Manual The podlet replacement procedure consists of identifying the faulty podlet andreplacing it with a new one. A podlet replacement kit is available as an optionalaccessory. NOTE . Refer to the TLA 700 Online Help for part numbers of the TLA 700 ...
Page 43 - Figure 10: Disassembling the probe cable
In Case of Problems TLA 700 Series Installation Manual 27 3. Using the screwdriver with the #1 Phillips tip, remove the four screws on the probe housing on the module end of probe cable (see Figure 10). Top housing Bottom housing Cable header housing Rubber comb Podlet holder Figure 10: Disassemblin...
Page 44 - Identify the faulty probe channel at the module end of the cable.; Identify the faulty probe channel at the podlet end of the probe.; the replacement cable later in this procedure.
In Case of Problems 28 TLA 700 Series Installation Manual 5. Remove the remaining top and bottom probe housings and set them aside. Do not mix the probe connector-end housings with the podlet connectorhousings; the labels are different at each end of the probe. 6. Identify the faulty probe channel a...
Page 45 - Figure 12: Removing a podlet cable from the rubber comb; faulty podlet cable in the following manner:
In Case of Problems TLA 700 Series Installation Manual 29 11. Refer to Figure 12 and bend the rubber comb to remove the faulty podlet cable from the comb. Remove faulty podlet cable from rubber comb Cut above color-coded ring Figure 12: Removing a podlet cable from the rubber comb 12. Attach the mod...
Page 46 - Figure 13: Replacing a podlet in the podlet holder
In Case of Problems 30 TLA 700 Series Installation Manual 14. Remove the faulty podlet cable from the podlet holder and replace it with the new cable as shown in Figure 13. Pull open Align the ground connectors Figure 13: Replacing a podlet in the podlet holder 15. Take the color-coded ring that you...
Page 47 - Figure 14: Installing the color-coded ring; discard the faulty cable.
In Case of Problems TLA 700 Series Installation Manual 31 Install color-coded ring onthe replacement cable andslide the ring down the tool. Installation tool Replacement cable Figure 14: Installing the color-coded ring 17. Push the new podlet cable into the rubber comb. 18. Unwrap and remove the mas...
Page 48 - Figure 15: Installing the cable in the cable header housing; d. Install and tighten the four screws in the probe housing.; podlet end of the probe cable.
In Case of Problems 32 TLA 700 Series Installation Manual 20. Insert the new podlet cable partially into the cable header housing. Place a new retaining snap (included with the kit) on the podlet cable as shown inFigure 15 and fully insert the cable and retaining snap into the cable headerhousing. T...
Page 49 - Appendix A: Merging Logic Analyzer Modules; Equipment Required; Static discharge can damage any semiconductor component in the; Power off the logic analyzer and remove the modules.
TLA 700 Series Installation Manual 33 Appendix A: Merging Logic Analyzer Modules This appendix describes how to merge two logic analyzer modules to form awider module. There are no specific rules to merging modules. However, the followingguidelines may be helpful. You can merge modules with 102 chan...
Page 50 - Remove the top part of the cable bracket and set it aside.; Figure 16: Removing the cover
Appendix A: Merging Logic Analyzer Modules 34 TLA 700 Series Installation Manual 4. Use the screwdriver with the T-10 Torx tip and remove the eight screws from the cover (Six screws on the cover, and two screws on the rear panel, seeFigure 16). 5. Remove the four flat-head screws near the front of t...
Page 51 - Figure 17: Feeding the Merge cable through the cover; the bracket over the Merge cable connector.
Appendix A: Merging Logic Analyzer Modules TLA 700 Series Installation Manual 35 9. Replace the cover while feeding the Merge cable through the hole in the cover (see Figure 17). Do not twist the cable while feeding it through thehole, otherwise the cable will not connect properly to the adjacent mo...
Page 52 - Figure 18: Seating the cover on the chassis
Appendix A: Merging Logic Analyzer Modules 36 TLA 700 Series Installation Manual 12. Push forward on the cover so the tab on the front edge of the cover inserts into the rear of the front subpanel. Make sure that the cover is fully seated(no gaps) against the front and rear chassis flanges (see Figu...
Page 53 - Check and tighten all screws to 4 in lbs.; Figure 19: Lining up the two modules; module mates with the Merge cable connector on the Master module.; Installing the Merged Modules in the Logic Analyzer; and line up the modules with the slot guides in the logic analyzer.
Appendix A: Merging Logic Analyzer Modules TLA 700 Series Installation Manual 37 17. Check and tighten all screws to 4 in lbs. 18. Place the Master module adjacent to the Slave module so that the two guide pins from the Slave module line up with the guide pin holes in the Mastermodule (see Figure 19...
Page 54 - Removing Merged Modules from the Logic Analyzer; Identify the two logic analyzer modules that you want to remove.; Slide both modules out of the logic analyzer at the same time.; Storing the Merge Cable; hold the Merge cable bracket in place.; Push the Merge cable through the side cover and remove the cover.
Appendix A: Merging Logic Analyzer Modules 38 TLA 700 Series Installation Manual 3. Verify that the modules are fully seated before powering on the logic analyzer. 4. After powering on the logic analyzer, run the merge calibration to calibrate the module pair (select the system menu, point to Calibr...
Page 55 - Figure 20: Dressing the Merge cable before installing the cover; To prevent damage to the module during the installation process,; Install the flat-head screws near the front of the module.
Appendix A: Merging Logic Analyzer Modules TLA 700 Series Installation Manual 39 Merge cable Figure 20: Dressing the Merge cable before installing the cover CAUTION. To prevent damage to the module during the installation process, reinstall the cover exactly as described in steps 6 through 8. If the...
Page 57 - Upgrading Software; Table 5: Software not covered by the TLA 700 Series software setup
TLA 700 Series Installation Manual 41 Appendix B: Upgrades This appendix describes procedures for upgrading your logic analyzer softwareor firmware. The following sections are included: Restoring or upgrading software in your logic analyzer Installing TPI, the TLA 700 Programmatic Interface (page 43...
Page 58 - Insert the TLA 700 application floppy disk 1 in the disk drive.; installing the software from the floppy disk.; Upgrading or Reinstalling
Appendix B: Upgrades 42 TLA 700 Series Installation Manual You can update or reinstall the TLA 700 software by executing the setup.exeprogram on the Disk #1 of installation disks or by performing the followingsteps. NOTE . The following instructions assume that you are reinstalling the TLA 700 appli...
Page 59 - Installing TPI; You have two methods of using TPI with your client application:; Start the TLA 700 application on the logic analyzer.
Appendix B: Upgrades TLA 700 Series Installation Manual 43 Installing TPI Use these procedures to install the TLA 700 Programmatic Interface (TPI). Inthese procedures, client refers to the user written application that controls thelogic analyzer through the TPI. Server refers to the TLA 700 applicat...
Page 60 - Setting the Access Level on the Logic Analyzer.; To set up the access level on the
Appendix B: Upgrades 44 TLA 700 Series Installation Manual NOTE . If you have difficulty configuring the network setup, contact your system administrator. 2. Download the following from Microsoft’s web site. Microsoft’s web site is: http://www.microsoft.com/com/dcom95/download–f.htm Distributed COM ...
Page 61 - Restart the logic analyzer, using the procedure in step 4.; Distributed COM for Microsoft Windows 95 (DCOM95); Setting Up a Client
Appendix B: Upgrades TLA 700 Series Installation Manual 45 7. Restart the logic analyzer, using the procedure in step 4. 8. Start the TLA 700 application on the logic analyzer if it is not already running. This completes the setup of TPI on the logic analyzer for operating with a remoteclient machin...
Page 63 - Setting Up User-level Access for Microsoft Windows 95.; To set up user-level access; Restart the client machine, using the procedure in step 4.; To verify that the setup is complete:; Attempting Connection to TLA 700 appears in the dialog text box.
Appendix B: Upgrades TLA 700 Series Installation Manual 47 Setting Up User-level Access for Microsoft Windows 95. To set up user-level access for a client machine running Microsoft Windows 95, do the following procedure: 1. Click Start, point to Settings, and select Control Panel. 2. From the Contro...
Page 64 - dcomcnfg file using Browse, or enter dcomcnfg. Then click OK.
Appendix B: Upgrades 48 TLA 700 Series Installation Manual After you set up the logic analyzer, you must set up the client machine using thefollowing procedure: 1. Install and configure TCP/IP. (networking) NOTE . If you have difficulty configuring the network setup, contact your system administrato...
Page 65 - Ensure that DCOM is working on your platform.; Add a string value named RemoteServerName to the key
Appendix B: Upgrades TLA 700 Series Installation Manual 49 If the client application requires use of the type library, you can generate it onyour platform using tla700.odl in C:\Program Files\TLA 700\System\TPI\srcon the logic analyzer. Make sure that you perform the following steps: 1. Ensure that ...
Page 66 - Updating Module Firmware; Disconnect any probes on the modules that you want to upgrade.; Figure 21: Flash programming pins; jumpers that came with your logic analyzer software).
Appendix B: Upgrades 50 TLA 700 Series Installation Manual Updating Module Firmware Perform the following steps if you need to update or reinstall the flash ROM-based firmware on your application modules. You can update multiple modulesand module types during a single firmware update session. 1. Pow...
Page 68 - Attach a new label with the new firmware version to the module.; Controller BIOS Setup
Appendix B: Upgrades 52 TLA 700 Series Installation Manual 20. Remove the module from the logic analyzer and remove the jumper from the Flash programming pins on the rear of the module. Keep the jumper forfuture updates. 21. Attach a new label with the new firmware version to the module. 22. Reinsta...
Page 69 - Table 6: Controller BIOS setups for the TLA 700 application
Appendix B: Upgrades TLA 700 Series Installation Manual 53 Table 6: Controller BIOS setups for the TLA 700 application Parameter Factory setting Submenu parameter Factory setting Main menu System Time Set to current date System Date Set to current time Diskette A 1.44 MB, 3 1/2 Diskette B Not Instal...
Page 72 - Reinstalling Software; In the Main Setup menu, use the Down Arrow key to scroll to the line; Configure the Controller
Appendix B: Upgrades 56 TLA 700 Series Installation Manual Table 6: Controller BIOS setups for the TLA 700 application (Cont.) Parameter Factory setting Submenu parameter Factory setting Mouse PS/2 (IRQ12) 1 DRAM speed was set to 70 ns for TLA 700 Series controllers with BIOS version 1.00.11 or earl...
Page 73 - Power on the logic analyzer so that it boots from the floppy disk.; analyzer and restart the Setup program.; Reformatting the Hard
Appendix B: Upgrades TLA 700 Series Installation Manual 57 6. Press the Enter key again to cause the logic analyzer to automatically determine and set the hard disk drive parameters. 7. Press the ESC key twice and then the Enter key twice to exit and save the BIOS setup. You should not reformat your...
Page 74 - Click on the Advanced Properties button.; Reinstalling the
Appendix B: Upgrades 58 TLA 700 Series Installation Manual The following procedure assumes that the hard disk is already properly for-matted. To reinstall the Windows 95 software, complete the following steps: 1. Start the logic analyzer from the Windows 95 Setup Boot floppy disk. 2. When the instal...
Page 75 - Insert the QAPlus floppy disk into the disk drive.; Select the QAPlus task, and click End task to kill the task.; is not responding. Click End Task again to kill the application.; When the desktop reappears, close the Program Manager folder.; Reinstall the QAPlus
Appendix B: Upgrades TLA 700 Series Installation Manual 59 8. After the installation is complete, close all of the dialogs and property sheets. However, keep the Control Panel open. 9. When the prompt appears asking you if you want to reboot now, enter No. To reinstall the QAPlus diagnostic software...
Page 76 - Insert the TLA 700 application floppy disk 1 in the disk drive.; Insert the first floppy disk into the disk drive.
Appendix B: Upgrades 60 TLA 700 Series Installation Manual To reinstall the TLA 700 Series application software, complete the followingsteps: 1. Insert the TLA 700 application floppy disk 1 in the disk drive. 2. Click Start, point to Settings, and click on Control Panel. 3. In the Control Panel wind...
Page 77 - Customizing TLA 700 Series Setups; Click Finish to install the shortcut in the Start menu.; Create a Shortcut for the
Appendix B: Upgrades TLA 700 Series Installation Manual 61 Customizing TLA 700 Series Setups After restoring all of the user and application files, you must perform thefollowing steps to complete the software installation process. The steps in thissection will return your logic analyzer to the same ...
Page 78 - Adjust the Display
Appendix B: Upgrades 62 TLA 700 Series Installation Manual The following steps are only necessary if your logic analyzer uses an externalmonitor. The following steps are a generalized procedure for a standard Plug &Play monitor. If you know the type of monitor that you will use, select themonito...
Page 79 - Select the Screen Saver property page.; frame Utilities icon.; Click on the radio button named Enable Soft Power Off.; Set Up the Screen Saver
Appendix B: Upgrades TLA 700 Series Installation Manual 63 4. Click OK. After the new settings are in effect, click Yes to keep the new settings. 5. Leave the Display property page open and continue with the next procedure to select and configure the screen saver. The screen saver includes the optio...
Page 80 - Open the System icon in the Control Panel.; Windows to delete, select No and click Next.; Setup the Virtual Memory
Appendix B: Upgrades 64 TLA 700 Series Installation Manual The following virtual memory settings ensure optimal performance of theTLA 700 Series application software. 1. Open the System icon in the Control Panel. 2. Select the Performance property page and select the Virtual Memory button. 3. In the...
Page 81 - Table 7: Power for instrument modules
TLA 700 Series Installation Manual 65 Appendix C: Power Cord and Line Fuse Requirements forthe Benchtop Mainframe The benchtop mainframe comes with two power cords and three fuses (one fuseis already installed). You must determine the correct fuse and power cord foryour configuration. This is import...
Page 82 - Figure 22: Power cord identification chart
Appendix C: Power Cord and Line Fuse Requirements for the Benchtop Mainframe 66 TLA 700 Series Installation Manual For power usage in the nonshaded region of Figure 22, use either the power cordwith the 15 A plug (two parallel prongs and ground) or the power cord with the20 A plug (two perpendicular...