Teledyne LeCroy TA700_800_850 User Manual - Manual (Page 248)

Catalyst Enterprises Inc. APPENDIX C
234
Status LED Function Description
SYS (Red/Green LED) When green it indicates that the system voltages are within 5% of their
nominal values. If any of +5V, 3.3V, +12V drop by more than 5%, the
SYS LED turns red. Upon power on it comes up red during a power self
test and turns green when the software executes.
D3, D11 When illuminated, the TA700C has been configured.
TRIG Indicates that the analyzer has met the trigger condition and is awaiting
for the post-trigger data to be captured.
Jumper Configuration
TA700C +3.3V Power Source selection
TA700C +5V Power Source Selection
Connecting an External Power Supply
Install Shunt 1-2 top to center on JP2 (3.3V)
Install Shunt 1-2 top to center on JP16 (+5V)
Connect the external power supply to JP1 as follows:
This configuration applies +5V power to the TA700C from the external power supply
and redirects the 3.3V power from the on board regulator.
JP2
Shunt 1-2 top to center +3.3V from on board 5V regulator
Shunt 2-3 bottom to center +3.3V Bus Power (Default)
JP16
Shunt 1-2 top to center +5V from external supply
Shunt 2-3 bottom to center +5V Bus Power (Default)
JP1
JP1.1 Bottom pin +5VEX
JP1.2 Center pin +5VEX
JP1.3 Top Pin GND