Tektronix RFM220, Руководство пользователя

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Operating Basics
Front Panel
The front panel has three LED indicators.
Figure 24: Front panel LED indicators
Alarm Status.
This red LED has three states:
Off. Indicates there is no critical error.
Blinking. Indicates an input failure (no signal).
On. Indicates one of the following errors has occurred: temperature,
internal failure, hardware failure, or software failure.
Ready Status.
This green LED has three states:
Off. Indicates there is no input signal (AGC KO).
Blinking. Indicates that the input signal is OK, but that no measurements
are possible (AGC KO, Carrier KO, or MPEG KO).
On. Indicates that the input signal is OK, the measurements are OK, and
the output stream is available.
Power On.
This green LED has two states:
On. Indicates that the instrument is powered on.
Off. Indicates that the instrument is powered off.
Rear Panel
Power switch. The power switch is located on the left side of the instrument
rear panel. The power cord must be connected to a power source and this
switch turned on before the instrument will operate. The front-panel Power
On LED turns on to indicate when power is applied to the instrument.
Signal connectors. All of the signal connectors are located on the rear panel.
(See page 9, Connecting Signals to the Instrument .)
CAUTION. To prevent operating problems, do not connect a signal cable to
the 1 PPS In connector.
Figure 25: RFM220 rear panel
42 RFM220 User Manual