AR-B1552 User
’
s Guide
22
3.2.18 POWER CONNECTOR (PWR4 & PWR8)
4 3 2 1
1 +12V
2 GND
3 GND
4 +5V
PWR4
8 7 6 5 4 3 2 1
1. GND
2. VCC
3. VCC
4. GND
5. GND
6. +12V
8. –5V
7. –12V
PWR8
3.2.19 BATTERY SELECT (J1 & JP1)
Internal BAT: JP1 2-3 ON (FACTORY PRESET)
External BAT: JP1 1-2 ON
1
2
3
JP1
1.EXBAT
2.VCC
3.INTVBAT
1
2
J1
1.EXBAT
2.GND
.
3.2.20 DOC SOCKET (U22)
DOC:32 Pin Disk-on chip socket
3.2.21 DOC ADDRESS SELECT (JP4)
1
2
JP4
JUMPER ADDRESS
OFF (FACTORY PRESET)
C8000
ON C0000