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Page 14
3.1
Pentek Cobalt Model 78651 Input and Output Connections (continued)
3.1.4
3.2
Pentek Cobalt Model 78651 LEDs
The Pentek Model 78651 has nine LED indicators, which are described in the following
subsections.
3.2.1
3.2.2
3.2.3
3.2.4
3.2.5
3.2.6
Rev.: 1.0
Analog Input Connectors − IN 1, 2
Model 78651 has two SSMC coaxial connectors for analog signal inputs,
labeled IN 1 and 2, one for each ADC input channel.
The analog input signal has a full.scale level of +5 dBm. Each input drives an
RF transformer, with 50 ohm input impedance.
Link LED − Green
The green LNK LED illuminates when a link has been established over the
PCIe interface.
User LED − Green
The green USR LED is for user applications.
Master LED − Yellow
The yellow MAS LED illuminates when this Model 7865x is set as the sync
bus Master. When only a single 78651 is used, it must be a Master.
PPS LED − Green
The green PPS LED illuminates when a valid PPS signal is detected and will
blink at the rate of the PPS signal.
Over Temperature LED − Red
The red TMP LED illuminates when an over−temperature or over−voltage
condition is indicated by any of the temperature/voltage sensors on the
Model 78651.
Clock LED − Green
The green CLK LED illuminates when a valid sample clock is detected. For
reference clock mode, this LED indicates lock to the reference clock.
Talon RTX 2767 Operating Manual
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