4.0 Back Panel Description
AC POWER
The HPDA-15RMi-S is configured to operate on 100 to 240 VAC.
DC POWER
This instrument may also operate on DC power from +12 to +36 VDC as the main power
supply. When the HPDA-15RMi-S is set up to operate with both AC and DC power
sources at the same time the DC power is used as backup power in case of AC power
outages.
ETHERNET PORT
The Ethernet port on the rear panel allows monitoring of the HPDA-15RMi-S status and
allows selection of the RF input and mode of operation when remote control mode is
enabled.
INPUT1, INPUT2
The RF inputs to the HPDA-15RMi-S labeled INPUT1 and INPUT2 expect a 1-50 MHz
signal with a level greater than +8 dBm and less than +17dBm. The RF input port
impedance is nominally 50 ohms with a return loss of 20dB. A signal level less than
+7dBm on the active channel will cause the instrument to switch over to the alternate input
channel when the autoswitch function is enabled. The active channel may also be
selected by the front panel or by issuing a remote control command.
OUTPUTS
The signal from the active channel is buffered and distributed to the ten SMA output
connectors on the rear panel. These RF outputs are DC isolated from the chassis ground
to prevent ground loops. These outputs are rated to a maximum of +50 V.
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