Agilent Technologies 33120A Installation Instructions Manual page 2

2 Carefully cut two holes in the rear-panel label.
The Ref Out and Ext Ref In terminals on the Phase-Lock assembly will
extend through these holes in the 33120A rear-panel. Pierce the label in
the center of the chassis holes and then cut to the outer edge of the holes.
Then, let the chassis holes guide the knife around the edge of the hole.
Cut Out Label
to Chassis Holes
3 Connect the coaxial cable to the Phase-Lock circuit board.
Connect one end of the coaxial cable (included with the retrofit kit) to
the connector labeled P2 on the Phase-Lock circuit board. Position the
cable as shown.
P2
Coaxial Cable
(33120-61603)
P2
2