HP 1652B Getting Started Manual page 108

Connecting
the
The analyzer pods of the HP 1652B/53B differ from other logic
-
Pods to the
Probe Cable
analyzers in that they are passive (have no active circuits at the outer
end of the cable). The pods, are the connector bodies (as shown<below)
that the probes are installed in when you receive your logic analyzer.
Figure
2-7.
Connecting
Pods
to Probe Cables
To connect a pod to a cable, align the key on the cable connector with
the slot on the pod connector and press together.
Probing
2-10
HP 16528/1653B