User's Manual

SBS-900 Shore Based Radar Systems
Chapter 10: Corrective maintenance
KH-1602-2 issue 1: Standard SBS900 Systems Operator & Maintenance Handbook
Page 211 of 240
Power
The board uses +24V, +15V and +3.3V supplies directly from the backplane. A +5.0V and -5.0V
supply is generated o the PCB from the +24V rail.
- LED D24 (green) is lit when the +5.0V supply is present.
- LED D25 (green) is lit when the -5.0V supply is present.
Location of LEDs, links and test points
NTX-A490 signal I/O module