User`s manual
UPS25  7   RTD Embedded Technologies, Inc 
List of Illustrations and Tables 
 .............................................................................................................................................................. Illustrations 
Fig. 2-1 UPS25 Board layout showing jumper locations 
Fig. 2-2 Base address jumpers illustrating address 300h 
Fig. 2-3 Interrupt jumpers from left to right: IRQ 2,5,7,10,11,12,15 
Fig. 2-4 Charger control, solder blobs, located near the left side of the PC/104 
bus connector 
Fig. 3-1 UPS25 integrated in a RTD PC/104 cpuModule stack together with a 
HPWR104 power supply module 
Fig. 3-2 UPS25 power supply connections 
Fig. 4-1 Block diagram of the UPS25 
Fig. 4-2 Discharging jumper 
Fig. 4-3 Charger configuration, solder blobs B2 and B3 
Fig. 4-4 Trip point adjustment trim pots for VIN and BATT levels 
Fig. 4-5 I/O interface connector 
 ....................................................................................................................................................................... Tables 
Table 2-1 Factory configured jumper settings 
Table 2-2 Base address jumper settings UPS25 
Table 4-1 Charger status LED functional description 
Table 4-2 I/O connector pin outs 










