3. Hardware Installations
SPC-8520-LA, SPC-8521-LA
25
USB Connector: CNU1, CNU2
This product have two USB (v2.0 compliant) A Type connector (CNU1/2).
Table 3.18. USB A TYPE Connector
Pin No.
1
2
3
4
Function
VCC1
USBP1-
USBP1+
GND
CNU1 / CNU2
1
4
CAUTION
Computer systems that have an unshielded cable attached to a USB port may not meet FCC Class
requirements, even if no device or a low-speed USB device is attached to the cable. Use shielded
cable that meets the requirements for full-speed devices.
External Battery Connector: CNW1
It is a 2 Pin connector used for external battery. An external battery power for used of Real-time clock
and CMOS memory.
Table 3.19. External Battery Connector
Pin No.
2
External battery
(3V)
Function
1 GND
CNW1
Housing: IL-2S-S3L-(N) (JAE)
Contact: IL-C2-1-10000 (JAE)
2
1
This product has the large capacity battery connected to this connector as standard.