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Installation Procedure for the Upgrade
— W35 (reuse) (N5242-20043 or N5222-20033) A33 reference mixer switch to front-panel REF 1
SOURCE OUT
* Torque 3x Reference Mixer Switch board screws 0515-0372 to 9 in-lbs.
— W126 (reuse) (N5242-20066 or N5242-20272) A28 port 2 bridge to A37 port 2 source
attenuator
— W137 (reuse) (N5242-20074 or N5242-20279) A28 port 2 bridge to front-panel REF 2 SOURCE
OUT
— W110 (reuse) (N5242-20004 or N5242-20262) A49 port 2 source bypass switch to A28 port 2
bridge
* Use 1/4" wrench to hold source cable connectors when tightening mating semi-rigid cables.
— W109 (reuse) (N5242-20019 or N5242-20268) W9 to A49 port 2 source bypass switch
— W79 (N5222-20001) A27 port 4 bridge to A36 port 4 source attenuator
— W106 (N5242-20261) A48 port 4 source bypass switch to A27 port 4 bridge
— W105 (N5242-20267) W7 to A48 port 4 source bypass switch
— W75 (N5222-20002) A26 port 3 bridge to A35 port 3 source attenuator
— W102 (N5242-20263) A47 port 3 source bypass switch to A26 port 3 bridge
— W17 (N5222-20023) A26 port 3 bridge to front-panel REF 3 SOURCE OUT
— W21 (N5222-20025) A27 port 4 bridge to front-panel REF 4 SOURCE OUT
— W136 (reuse) (N5242-20068 or N5242-20274) A33 reference mixer switch to A23 mixer brick
(R1)
— W133 (reuse) (N5242-20069 or N5242-20275) A42 port 1 receiver attenuator to A23 mixer brick
(A)
— W121 (reuse) (N5242-20067 or N5242-20273) A25 port 1 bridge to A34 port 1 source
attenuator
— W90 (N5242-20306) A43 port 3 receiver attenuator to A24 mixer brick (C)
— W100 (reuse) (N5242-20008 or N5242-20265) A50 combiner to A46 port 1 source bypass
switch
— W96 (reuse) (N5242-20007 or N5242-20264) A46 port 1 source bypass switch to A25 port 1
bridge
— W13 (reuse) (N5242-20011 or N5222-20005) A25 port 1 bridge to A33 reference mixer switch
— W101 (reuse) (N5242-20017 or N5242-20266) W5 to A47 port 3 source bypass switch
— W38 (N5222-20270) REF 3 RCVR R3 IN to A24 mixer brick (R3)
— W95 (reuse) (N5242-20020 or N5242-20269) W3 to A46 port 1 source bypass switch
— W43 (N5222-20007) A22 splitter to A23 mixer brick
* Leave the W43 loose for now.
31
Installation Note N5242-90017
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