11
Rattler 4
User Guide
LED Display Operation
Rattler Tx Unit
Fig. 2-3: Rattler Tx Unit LEDs
1
Power LED
– indicates power is connected and within 5-16 VDC range
2
SIG LED
– indicates HD/SDI Signal Presence
Rattler Rx Unit
Fig. 2-4: Rattler Rx Unit LEDs
1
Power LED
– indicates power is connected and within 5-16 VDC range
2
Sig Strength LED Display
– indicates Received Optical Signal Strength from -20 dBm to
0 dBM
Fiber Optic Signal Strength measurement is explained further in
Monitoring using the LED Display
See below for examples of signal strength indications.
Fig. 2-5: LED indications
The Rattler 4 will indicate a non-standard temperature reading if the LEDs begin to blink all
On and all Off.
Fig. 2-6: non-standard temperature LEDs
If the Rattler unit internal temperature drops below -30 degrees C or above 65 degress C,
the blinking LED indicator will start. At these extreme temperatures, unit performance will
be degraded or cease to function.
Two LEDs lit indicate a signal strength
between -15 dBm and -10 dBm
Four LEDs lit indicate a signal strength
between -5 dBm and 0 dBm
