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Installation Procedure for the Upgrade
— W40 (reuse) (N5242-20049 or N222-20039) Front-panel REF 2 RCVR R2 IN to A23 mixer brick
(R2)
— W43 (N5222-20007) A22 splitter to A23 mixer brick
* Leave the W43 loose for now.
— W44 (N5222-20008) A22 splitter to A24 mixer brick
* Leave the W44 loose for now.
— W42 (N5222-20009) A21 HMA26.5 to A22 splitter
* Leave the W42 loose for now.
* Tighten 2x screws on A22 splitter @ 9 in-lbs.
* Tighten cable nuts on W42, W43, and W44 @10 in-lbs.
— W107 (N5242-20283) A48 port 4 source bypass switch to PORT 4 SW SRC OUT (J4).
— W92 (N5242-20307) A44 port 4 receiver attenuator to A24 mixer brick (D)
— W39 (N5222-20271) REF 4 RCVR R4 IN to A24 mixer brick (R4)
— W38 (N5222-20270) REF 3 RCVR R3 IN to A24 mixer brick (R3)
— W112 (reuse) (N5242-20085 or N5242-20286) Rear panel PORT 2 SW TSET IN (J1) to A49 port
2 source bypass switch
— W111 (reuse) (N5242-20084 or N5242-20285) A49 port 2 source bypass switch to PORT 2 SW
SRC OUT (J2)
— W108 (N5242-20284) Rear panel PORT 4 SW TSET IN (J3) to A48 port 4 source bypass switch
— W41 (reuse) (N5242-20110 or N5222-20067) A11 13.5 GHz synthesizer to A21 HMA26.5
* Route cable through deck cutout to A11 synthesizer board.
— W104 (reuse) (N5242-20080 or N5242-20281) Rear panel PORT 3 SW TSET IN (J7) to A47 port
3 source bypass switch
— W103 (reuse) (N5242-20081 or N5242-20282) A47 port 3 source bypass switch to PORT 3 SW
SRC OUT (J8)
— W99 (reuse) (N5242-20088 or N5242-20289) Rear panel PORT 1 COMB ARM IN (J9) to A50
combiner
— W98 (reuse) (N5242-20087 or N5242-20288) Rear panel PORT 1 COMB THRU IN (J10) to A50
combiner
— W97 (reuse) (N5242-20086 or N5242-20287) A46 port 1 source bypass switch to PORT 1 SW
SRC OUT (J1)
— W113 (N5222-20091) Rear panel jumper: SW SRC OUT (J8) to COMB ARM IN (J9)
— W2 (reuse) (N5242-20124 or N5222-20290) A13 13.5 GHz source 2 synthesizer board J1207 to
A8 26.5 GHz source 2 board P1
— W60 (N5242-60013) A20 IF multiplexer (P203) to A12 SPAM (J2)
— W62 (N5242-60015) A20 IF multiplexer (P603) to A12 SPAM (J5)
— W30 (reuse 6) (E8356-20072 or N5222-20091) 12 front panel jumpers
35
Installation Note N5242-90017
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