User Manual

5 Maintaining the Base Station
50
Modulator Rear Card LEDs and Connectors
The modulator card holds four ports to connect four downstream channels. The two top
indicators are specific for each channel, while the hot swap indicator is common to the
card.
LED Color Indication
Status
Green Lit when PLL is locked
TX Active
Green
Lit when downstream traffic is
transferred
Analog Power
Green ON when card is powered on
Connector/Switch Type Function
IF OUT
F-type IF to RF transmitter
Hot Swap Push
button
Request for Card release while
system is ON
Downstream