Keysight Technologies N5224AU-401 Installation Note

Contents

safety notes

Installation Note N5225-90105 11Step 4. Remove Some Existing CablesCAUTION Be careful not to damage the center pins of the semirigid cables. Some flexing of the cablesmay be necessary but do not over-bend them.1. Place the analyzer bottom-side up on a flat surface.2. Remove the following cables. To see an image showing the location of these cables, click the Chapter 6bookmark “Bottom RF Cables, Standard 4-Port Configuration, Option 400” in the PDF Service Guide1 .These cables may be discarded - they will not be reinstalled.• W107 (N5224-20005) A29 port 1 receiver coupler to A27 mixer brick (R1)/3-dB pad• W108 (N5224-20024) A30 port 3 receiver coupler to A28 mixer brick (R3)• W109 (N5224-20027) A31 port 4 receiver coupler to A28 mixer brick (R4)/3-dB pad• W110 (N5224-20028) A32 port 2 receiver coupler to A27 mixer brick (R2)• W111 (N5224-20013) A29 port 1 receiver coupler to A33 port 1 coupler• W112 (N5224-20015) A30 port 3 receiver coupler to A34 port 3 coupler• W113 (N5224-20016) A31 port 4 receiver coupler to A35 port 4 coupler• W114 (N5224-20014) A32 port 2 receiver coupler to A36 port 2 coupler• W115 (N5224-20022) A33 port 1 coupler to A27 mixer brick (A)• W116 (N5224-20023) A34 port 3 coupler to A28 mixer brick (C)• W117 (N5224-20026) A35 port 4 coupler to A28 mixer brick (D)• W118 (N5224-20025) A36 port 2 coupler to A27 mixer brick (B)These cables must be saved - they will be reinstalled.• W12 (N5245-20109) A29 port 1 receiver coupler to W11• W14 (N5245-20043) A30 port 3 receiver coupler to W13• W16 (N5245-20044) A31 port 4 receiver coupler to W15• W18 (N5245-20111) A32 port 2 receiver coupler to W17Step 5. Remove a 3 dB PadRemove and discard the 3 dB pad connected to A27 mixer brick port R1.1. See “Downloading the Online PNA Service Guide” on page 5.