User Interfaces
The 9611B is controlled via two user interfaces:
l Front panel controls and indicators
l Command line interface (CLI) over a RS232 serial port connection
Front Panel Controls and Indicators
This section describes operation of the manual controls on the front panel of the 9611B Switching
and Distribution Unit.
The power indicator is a green LED that indicates that AC power is applied and turned on.
The two input LEDs A and B are either green, amber or red:
l Green
l Solid indicates that the channel signal is valid and present
l Flashing indicates that the channel signal is valid, present and armed
l Amber shows that a fault was registered but is now corrected
l Red to indicate that the channel signal has failed
The single AUTO LED is either green, amber or red:
l Green
l Solid indicates that an input channel signal is valid for arming
l Flashing indicates that the flashing input channel is armed
l Amber shows that a fault was registered but is now corrected
l Red to indicate that the armed channel signal has failed
The single ALARM is either green or red:
l Green shows that there are no faults registered
l Flashing red shows that a fault has been registered
When any alarm (A, B or 1-12) is set, the Alarm indicator turns from green (normal) to red (alarm).
Once the failure is remedied, the alarm can be deactivated by pressing the Alarm pushbutton, or issu-
ing a command over the CLI. If the alarm is cleared, all alarm indicators, return to the normal green
color.
The twelve output LED’s numbered one through twelve are either green, amber or red:
9611B_UserGuide_RevA.pdf.......................................................................... Page 21
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