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Keysight
Second Source, Combiner, and
Mechanical Switches
Upgrade Kit
To Upgrade PNA-X N5241A/B, N5242A/B or N5249A/B Option 419 to Option 423
or PNA-X N5241B, N5242B or N5249B Option 417 to Option
Upgrade Kit Order Numbers: N5241AU- 927, N5242AU- 927,
N5249AU- 927, N5241BU- 422, N5242BU- 422, N5249BU- 422,
N5241BU- 423, N5242BU- 423, and N5249BU- 423
Keysight Kit Number: N5242-60104
422
Installation Note
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Summary of Contents for Keysight N5241AU-927
- Page 1 To Upgrade PNA-X N5241A/B, N5242A/B or N5249A/B Option 419 to Option 423 or PNA-X N5241B, N5242B or N5249B Option 417 to Option Upgrade Kit Order Numbers: N5241AU- 927, N5242AU- 927, N5249AU- 927, N5241BU- 422, N5242BU- 422, N5249BU- 422, N5241BU- 423, N5242BU- 423, and N5249BU- 423 Keysight Kit Number: N5242-60104 Installation Note...
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Page 2: Safety Notices
PERFORMANCE OF THIS to the public to use, modify, DOCUMENT OR ANY INFORMATION reproduce, release, perform, CONTAINED HEREIN. SHOULD display, or disclose commercial KEYSIGHT AND THE USER HAVE A SEPARATE WRITTEN AGREEMENT computer software or WITH WARRANTY TERMS commercial computer software... - Page 3 Keysight Second Source, Combiner, and Mechanical Switches Upgrade Keysight Kit Number: N5242-60104 Installation Note Description of the Upgrade Some of the assembly drawings in this document may be different from your instrument, but the process is similar for both an "A" model and "B"...
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Page 4: Contacting Keysight
Getting Assistance from Keysight Installing this upgrade kit requires special skills and experience. If you think you may not be qualified to do the work, or need advice, contact Keysight. Contacting Keysight Assistance with test and measurements needs and information on finding a local Keysight office are available on the Web at: http://www.keysight.com/find/assist... -
Page 5: Getting Prepared
Getting Prepared Getting Prepared The PNA contains extremely sensitive components that can be ruined if mishandled. Follow instructions carefully when making cable connections, especially wire harness connections. The person performing the work accepts responsibility for the full cost of the repair or replacement of damaged components. To successfully install this upgrade kit, you will need the following: —... - Page 6 The enclosed Software Entitlement Certificate is a receipt, verifying that you have purchased a licensed option for the PNA of your choice. You must now use a Keysight Web page to request a license key for the instrument that will receive the option.
- Page 7 If the model number, serial number, or option number do not match those on the license message you received from Keysight, you will not be able to install the license key file. If this is the case, contact Keysight for assistance. Refer to “Getting Assistance from Keysight” on page...
- Page 8 To view the online Service Guide for your PNA model number, use the following steps:To view the online Service Guide for your PNA model number, use the following steps: 1. Go to www.keysight.com. 2. In the Search box, enter the model number of the analyzer (Ex: N5242B) and click Search.
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Page 9: Tools Required For The Installation
About Installing the Upgrade Products affected N5241A, N5242A, N5249A Option 419 and N5241B, N5242B, N5249B Option 417/419 Installation to be performed by Keysight service center or personnel qualified by Keysight Estimated installation time 5 hours Estimated adjustment time 0.5 hours Estimated full instrument calibration 4.5 hours... - Page 10 Items Included in the Upgrade Kit Items Included in the Upgrade Kit Check the contents of your kit against the following list. If any part is missing or damaged, contact Keysight Technologies. Refer to “Getting Assistance from Keysight” on page...
- Page 11 Items Included in the Upgrade Kit Table 1 Contents of Upgrade Kit N5242-60104 Description Part Number Desig. W104 RF cable, rear-panel PORT 3 SW TSET IN (J7) to A47 port 3 mechanical switch N5242-20281 W105 RF cable, W7 to A48 port 4 mechanical switch N5242-20267 W106 RF cable, A48 port4 mechanical switch to A27 test port 4 bridge...
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Page 12: Overview Of The Installation Procedure
Installation Procedure for the Upgrade Installation Procedure for the Upgrade The network analyzer must be in proper working condition prior to installing this option. Any necessary repairs must be made before proceeding with this installation. This installation requires the removal of the analyzer’s protective outer covers. - Page 13 Installation Procedure for the Upgrade “Step 19. Enable Option 422 (B models Only)/423.” “Step 20. Perform Post-Upgrade Adjustments and Calibration.” “Step 21. Prepare the PNA for the User.” Installation Note N5242-90005...
- Page 14 If the model number, serial number, or option number do not match those on your license key (A models) or license key file (B models), you will not be able to install the option. If this is the case, contact Keysight for assistance before beginning the installation of this upgrade. Refer to “Contacting Keysight”...
- Page 15 Installation Procedure for the Upgrade Figure 1 Outer Cover Removal Installation Note N5242-90005...
- Page 16 Installation Procedure for the Upgrade Step 3. Remove the Front Panel Assembly Refer to Figure 2 for this step of the procedure. ➀ 1. With a 5/16-in wrench, remove all the front panel jumpers (item ➁ 2. With a T-10 TORX driver, remove the screws (item ) from the sides of the frame.
- Page 17 Installation Procedure for the Upgrade Step 4. Remove the Existing Test Set Cables Leave the gray flexible cables, the wire harnesses, and the ribbon cables connected where possible. Any that are removed should be labeled for reconnection later. Be careful not to damage the center pins of the semi-rigid cables. Some flexing of the cables may be necessary but do not over-bend them.
- Page 18 Installation Procedure for the Upgrade Figure 3 Existing Test Set Cables Removal Installation Note N5242-90005...
- Page 19 Installation Procedure for the Upgrade Step 5. Assemble the Mechanical Switches Refer to Figure 4 for this step of the procedure. New parts are listed in Table 1 on page 1. Position each mechanical switch on a switch bracket as shown. ①...
- Page 20 Installation Procedure for the Upgrade Step 6. Install the Mechanical Switches Refer to Figure 5 for this step of the procedure. New parts are listed in Table 1 on page 1. Position the switch brackets (with the switches and combiner attached) in the analyzer as shown.
- Page 21 Installation Procedure for the Upgrade Step 7. Remove the A19 Test Set Motherboard and the A20 IF Multiplexer Board Remove the A19 Test Set Motherboard Refer to Figure 6 for this part of this step of the procedure. ① ➁ 1.
- Page 22 Installation Procedure for the Upgrade Figure 6 A19 Test Set Motherboard Removal Remove the A20 IF Multiplexer Board Refer to Figure 7 for this part of this step of the procedure. ① 1. Disconnect the ribbon cable (item ) from the A20 IF multiplexer board. ➁...
- Page 23 Installation Procedure for the Upgrade Figure 7 A20 IF Multiplexer Board Removal Installation Note N5242-90005...
- Page 24 Installation Procedure for the Upgrade Step 8. Install the Bulkhead Connectors and Jumpers on the Rear Panel Remove hole plugs from the following rear panel connector openings: — PORT 1—COMB ARM IN (J9) and COMB THRU IN (J10) and SW SRC OUT (J11) —...
- Page 25 Installation Procedure for the Upgrade Figure 8 Bulkhead Connectors and Jumpers on Rear Panel Installation Note N5242-90005...
- Page 26 Installation Procedure for the Upgrade Step 9. Install the Bulkhead Connectors in the Test Set Front Plate (For Analyzers with Serial Numbers Prefixed MY/SG/US5310 and Below) If your analyzer’s serial number is MY/SG/US5321 and above, ignore this step. Refer to Figure 9 for this procedure.
- Page 27 Installation Procedure for the Upgrade Step 10. Install the New Test Set Cables Follow instructions carefully when making cable connections, especially wire harness connections. Incorrect connections can destroy components, resulting in additional customer costs. Be careful not to damage the center pins of the semi-rigid cables. Some flexing of the cables may be necessary but do not over-bend them.
- Page 28 Installation Procedure for the Upgrade — W107 (N5242-20283) A48 port 4 mechanical switch (connector 1) to rear-panel PORT 4 SW SRC OUT (J4) — W108 (N5242-20284) Rear-panel PORT 4 SW TSET IN (J3) to A48 port 4 mechanical switch (connector 4) —...
- Page 29 Installation Procedure for the Upgrade Figure 10 New Test Set Cable Installation Installation Note N5242-90005...
- Page 30 Installation Procedure for the Upgrade Step 11. Reinstall the A20 IF Multiplexer Board and the A19 Test Set Motherboard Reinstall the A20 IF Multiplexer Board Refer to Figure 11 for this part of this step of the procedure. 1. Position the A20 IF multiplexer board in the analyzer and slide it toward the rear of the instrument until the rear panel connectors are completely through the rear panel.
- Page 31 Installation Procedure for the Upgrade Reinstall the A19 Test Set Motherboard Follow instructions carefully when making cable connections, especially wire harness connections. Incorrect connections can destroy components, resulting in additional customer costs. Refer to Figure 12 for this part of this step of the procedure. 1.
- Page 32 Installation Procedure for the Upgrade Figure 12 A19 Test Set Motherboard Re-installation Installation Note N5242-90005...
- Page 33 Installation Procedure for the Upgrade Step 12. Remove the Old Lower Front Panel Overlay Refer to Figure 13 on page 34 for this step of the procedure. Although a 4-port PNA is shown in the graphic, the concept is the same for the 2-port PNA. New parts are listed in Table 1 on page 1.
- Page 34 Installation Procedure for the Upgrade Figure 13 Lower Front Panel Overlay Replacement Installation Note N5242-90005...
- Page 35 Installation Procedure for the Upgrade Step 13. Reinstall the Front Panel Assembly Before installing the front panel assembly onto the analyzer, lift and support the front of the analyzer chassis. Refer to Figure 14 for this step of the procedure. New parts are listed in Table 1 on page 1.
- Page 36 Installation Procedure for the Upgrade Step 14. Install the New Lower Front Panel Overlay Refer to Figure 13 on page 34 for this step of the procedure. Although a 4-port PNA is shown in the graphic, the concept is the same for the 2-port PNA. New parts are listed in Table 1 on page 1.
- Page 37 Installation Procedure for the Upgrade 1. Slide the outer cover over the analyzer frame. ➁ 2. Install the four rear panel feet (item ) by installing the center screws (item ±) with a T-20 TORX driver. ④ 3. Install the four bottom feet (item ) onto the bottom of the outer cover ③...
- Page 38 2. Right click the on the desired option and click Delete. 3. In the Select Desired Option list, click 417 or 419. 4. In the Keysight License Manager dialog box that appears, press or click Yes to confirm delete. 5. A message displays stating that the option removal was successful.
- Page 39 — The analyzer must be powered up and operating to perform this procedure. — The Network Analyzer program must not be running. — Refer to the license message you received from Keysight: Verify that the analyzer’s model and serial numbers match those on the license message you received from Keysight.
- Page 40 For this step, you will need a USB flash drive. A single license file may contain more than one feature. 1. Locate the email(s) from Keysight which contain license file attachments. These emails are the result of “Step 1. Obtain a Keyword and Verify the Information”...
- Page 41 Installation Procedure for the Upgrade Figure 16 Editing a Keysight License File Using a Text Editor. Note: This figure may not contain your specific features and is an example only. In this example N5242B-422 is the incorrect feature. N5242B-423 is the correct feature.
- Page 42 Installation Procedure for the Upgrade 3. After successful installation of all upgrades, some features require some adjustments to ensure the instrument meets its specified performance. Refer to the following Web site: http://na.support.keysight.com/pna. Step 20. Perform Post-Upgrade Adjustments and Calibration Adjustments The following adjustments must be made due to the hardware changes of the analyzer.
- Page 43 Installation Procedure for the Upgrade Step 21. Prepare the PNA for the User 1. If necessary, reinstall front jumper cables. 2. Install the cable guards, pushing them over the front jumper cables until the cushioning material touches the front panel of the PNA. 3.
- Page 44 This information is subject to change without notice. © Keysight Technologies 2007-2019 Edition 2, July 2019 N5242-90005 www.keysight.com...
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