Keysight Technologies N5290/1A PNA Series Service Manual page 143

Replaceable Parts
Replaceable Parts Listings
Figure 6-5 Front Panel Assembly, Back Side, All Options (Option 400 shown. Option 200
is similar. For Option 200, ignore the ports 3 and 4 hardware.)
Figure 6-6 Subpanel Assembly with Fail Safe Sensor PCAs (N5291-63010,
N5292-60002, 0515-0365 (x4) and 1400-0249)
Keysight N5290/1A Service Guide 6-15