R&S OSP
Instrument Functions
Operating Manual 1505.3896.12 - 14
95
Note that for the SP6T relay only one out of the six terminals is allowed to be activated
at the same time. When operating the OSP-B123/124 inside the OSP, the OSP
firmware takes care for correct switching of the SD6T relay.
Figure 5-28: Module R&S OSP-B123
Figure 5-29: Module R&S OSP-B124
All relays are is mounted directly in the OSP-B123/124 front panel. All the RF
connectors are SMA female types. All relays are connected via a short cable to a
printed circuit board; this way the module is of compact size.
The OSP-B123/124 module is supplied with power and controlled from the OSP120
via a single connector on the OSP-B123/124 printed circuit board (OSP-B123 has got
two boards). The connection to the OSP120 is done via one (OSP-B123) or two (OSP-
B124) connection cables.
The OSP-B123/124 module is equipped with a on board memory to store the
necessary configuration data of the module.