NCR RealPOS 7458, Hardware Service

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vii
Latch Assembly Wiring and Adjustments................................3-47
Power Supply ......................................................................................3-48
AC Input ........................................................................................3-48
DC Outputs ...................................................................................3-48
Maximum Rated Output Power.................................................3-49
UPS .................................................................................................3-49
Battery Performance ................................................................3-50
Power Supply Cable Pin-Outs....................................................3-51
Clearing the Password .......................................................................3-52
Connector Pin-Out Identification .....................................................3-53
Primary Power (PS1)....................................................................3-53
USB Daughter Card Power (CN12) ...........................................3-54
USB Daughter Card (CN12)........................................................3-54
Front Panel (CN1).........................................................................3-56
Box Fan ......................................................................................3-56
Speaker ......................................................................................3-56
Key .............................................................................................3-56
Power LED ................................................................................3-56
Hard Drive LED .......................................................................3-56
ON/OFF ....................................................................................3-57
Link Integrity LED ...................................................................3-57
Reset ...........................................................................................3-57
Back Panel I/O..............................................................................3-57
PS/2 Kybd/Mouse (CN1).......................................................3-57
Serial COM1 (CN6) ..................................................................3-58
Serial COM2 (CN5) ..................................................................3-58
Serial COM3 (CN6) ..................................................................3-59
Serial COM4 (CN5) ..................................................................3-59
Serial COM5 UPS (CN9) .........................................................3-60
Video Monitor (CN3)...............................................................3-60
Ethernet (CN2)..........................................................................3-61