NCR 7458 User Manual
Page 84
3-60 Chapter 3: Hardware Service
Serial COM5 UPS (CN9)
Pin Name
Function
1 GND
GND
2
AC_Good
AC is present
3 Batt_Lo
Battery
low
warning
4
Batt_Sense# Battery connected
5 UPS_OFF# Enable
UPS
Video Monitor (CN3)
Pin
Signal Name
1 Red
2 Green
3 Blue
4 No
Connect
5 Ground
6 Analog
Ground
7 Analog
Ground
8 Analog
Ground
9 +5V
10 Ground
11 No
Connect
12 VID_SDA
13 Horizontal
Sync.
14 Vertical
Sync.
15 VID_SCL