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Operating Basics: Functional Overview
OTS9100 User Manual 2-7
Transmit Generation
The Transmit card of the OTS9100 module contains all of the
transmitter functionality for the 10Gb/s SDH/SONET module.
Figure 2-5 shows the Transmit card front panel.
Module OK
The Module OK LED should be green while the instrument is
running. On power up, the LED first lights red, then will switch
to green when the system has finished initializing.
The LED will flash YELLOW if one or more internal clock
circuits can not lock to the 10GHz clock input. This condition
occurs when the input clock is not within specified frequency
range.
Note: If the LED flashes Yellow, the 10 GHz input clock is
missing or out of range. If the LED remains red after the
system has finished initializing, call Tektronix for service.
Tx EVENT OUT
The Tx Event Output is user activated and provides an active
HIGH for each alarm or error condition generated. The output
will provide a single pulse for each frame containing errors. It
can be used as a means of triggering an oscilloscope or other test
equipment. The output has an SMA connector and requires 50
Ohms termination for signal integrity.
F-SYNC OUT
The Frame Synchronization Output provides a signal that is
asserted to indicate the start of a frame. It may be used as a
means of triggering an oscilloscope to capture the 10Gb/s Optical
Output signal. The output has an SMA connector and requires 50
Ohms termination for signal integrity.
Figure 2-5:
Transmit Front Panel