Keysight N6705 - Page 98

4 Disassembly
98 Model N6705 Service Guide
Step 8.
Disconnect any remaining cables if required, and either cut or
carefully slide the two push-on retainers off of the retaining pins
Figure 4-29
Step 9.
Remove the backplane PCA.
Step 10.
To install the bottom backplane PCA, perform steps 1-9 in
reverse order. New push-on retainers can be purchases separately.