Keysight Technologies N5244/5B Service Manual page 502

Replaceable Parts
Replaceable Parts Listings
Bottom Ribbon Cables and Wire Harnesses, 4-Port, Option 423 with and
without 029, S/N Prefixes ≥6021
Reference Part Number
a
Type
Designator
10R N5242-60005

20R N5245-60021

4W --

4W --

2W 8121-0966

3W

N5225-60001
20R N5247-60015

Was N5245-60008
10R N5245-60026

Was 8121-0982, or
N5242-60007
16R N5245-60006

10R N5245-60026

Was 8121-0982, or
N5242-60007
4W --
11
16R N5245-60006
12
2W P/O bias tee
13
2W P/O bias tee
14
2W P/O bias tee
15
3W
N5225-60001
16
2W P/O bias tee
17
4W --
18
4W --
19
16R N5245-60006
20
6-268
Description
Rear-panel PWR I/O to A23 test set motherboard J301
A64 tuner J9 to A23 test set motherboard J7
P/O A53 port 3 mechanical switch (to A23 test set motherboard J102).
P/O A50 port 1 mechanical switch (to A23 test set motherboard J101).
A23 test set motherboard J554 to A37 reference mixer switch
A23 test set motherboard J221 to ports 1/3 LED board J1
b
A23 test set motherboard J551 to A27 mixer brick (1) J52
A23 test set motherboard J205 to A46 port 1 receiver attenuator
A23 test set motherboard J549 to A38 port 1 source attenuator
A23 test set motherboard J206 to A47 port 3 receiver attenuator
P/O A56 port 1 noise bypass switch (to A59 noise receiver (downconverter)
J42 port 1). Refer to
without 029, S/N Prefixes ≥6021" on page
A23 test set motherboard J547 to A39 port 3 source attenuator
A23 test set motherboard J541 to A42 port 1 bias tee
A23 test set motherboard J543 to A43 port 3 bias tee
A23 test set motherboard J544 to A44 port 4 bias tee
A23 test set motherboard J222 to ports 2/4 LED board J1
b
A23 test set motherboard J542 to A45 port 2 bias tee
P/O A51 port 2 mechanical switch (to A23 test set motherboard J104).
P/O A57 port 2 noise bypass switch (to A59 noise receiver (downconverter)
J41 port 2). Refer to
without 029, S/N Prefixes ≥6021" on page
A23 test set motherboard J548 to A40 port 4 source attenuator
1. For bulkhead connectors, refer to
page 6-295.
1
"4-Port Configuration, Option 423 with and
"4-Port Configuration, Option 423 with and
"Bottom Hardware and Miscellaneous Parts" on
Keysight N5244B/45B Service Guide
6-256. (Option 029 only)
6-256. (Option 029 only)