Specifications
DF64 Digital Frame Manual  Version 1.0 ©1999 Euphonix, Inc.  Page 12 
Front Panel, SP661 Signal Processing Card 
DSP Activity LEDs   These LEDs indicate the level of processing activity on 
each of the SP661 Sharc processors. The lights glow more 
brightly as each Sharc increases its processing activity. 
Mute Indicates that all Audio signals from the SP661 to the TDM 
bus are muted. 
5V, 3V LEDs    Indicate that 5 volt and 3 volt power are present. 
Reset Button    This button forces a manual reset of the SP661 card. 
Error LED    Indicates that an error condition has been detected on the 
SP661 card. Is is normal for the Error LED to remain lit for 30 
seconds or more after the DF64 is powered on 
HotSwap Button  Push this button prior to making a swap of the SP661 Card. 
Ready LED    Indicates that the SP661 card is disconnected from the 
DF64 system bus and ready for removal. 
DSP Activity
D
C
B
A
F
E
5V
Reset Error
HotSwap Ready
Mute
3V
SP-661
SIGNAL
PROCESSOR
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