Satellite Radio User Manual
9
JU5 - PL_Filter (NC)
OUT:
Remove jumper is using a companion signaling board like the microwave or PL
encode / decode boards.
IN:
Default. Install the jumper when opearting the RCB without any signal
conditioning boards.
JU6 - DAC Pot Mid
OUT:
Default. Allows digital pots to be set by the local CPU.
IN: Sets all four digital pots to mid scale.
JU6 – Last Port Jumper (yes, there are two jumpers marked JU6)
OUT:
Default. Leave the jumper out for all RCB board except the last one.
IN: Insert a jumper in this position if this is the last RCB in the card rack. The Last
Port jumper provides a termination on the high speed serial bus and will reduce
noise on the bus.
JU7 - ADEN
OU
T: Default.
Not used at this time.
JU8 - TA2D
OU
T: Default
Not used at this time.