Status Leds; Dot-Matrix Display; Displaying The Optical Power - evertz MultiFrame 7700 Manual

4.

STATUS LEDS

MODULE OK: This Green LED will be On when the module is operating properly.
LOCAL FAULT: This Red LED will be On when the Signal Valid is Off, or Output Fault On or when
there is a fault in the module power supply.
SIGNAL VALID: This Green LED will be On when a lock to the input signal is attained.
OUTPUT FAULT: This Red LED will be On when an output fault or output connection error exists.
CARRIER FAULT: This Yellow LED indicates a weak signal carrier at the input. The CARRIER FAULT
threshold is calibrated to an optical power of –25dBm.
4.1.

DOT-MATRIX DISPLAY

Additional signal and status monitoring is provided via the 4-digit dot-matrix display located on the card
edge.

4.1.1. Displaying the Optical Power

The 7707OE module can measure and display the input optical power over a range of –14dBm to –30dBm
at 1dBm increments.
Indicates optical input powers exceeding –14dBm.
OK
Optical input power within this range.
-14 to –30
Optical input power below –30dBm.
<–30
Indicates that no valid input signal is present.
LOS
7707OE-DS3/E3 Optical to Electrical Converter for DS3/E3 Signals
Revision 1.5
7700 MultiFrame Manual
7707OE-DS3/E3-7