Copyright © Sigicom AB 2019
Note!
Charging current is intentionally set to a low level for battery safety
reasons, and charging time for near empty batteries will thus be
approximately 50 hours. See Appendix A for more information about
battery charging and battery voltage limits.
2.7. USB Connector (Mini-B Type)
The USB connector is mainly used for firmware upgrades:
• It is recommended to use the firmware upgrade module in
INFRA Net Manager.
• There is also a separate document at the Sigicom support site
with instructions how to upgrade the firmware manually.
2.8. CompactFlash
The C12 uses a CompactFlash, which is a well-established standard as
memory in digital cameras, industrial computers etc.
The CompactFlash type must be of ‘Industrial Grade’. This ensures full
temperature range and data redundancy in tough environments. Non-
‘Industrial Grade’ cards are optimized for price and size, and are more
prone to file system crashes.
The file system on the CompactFlash is Windows compatible.
For a CompactFlash larger than 64MB, it is recommended to make sure
that the card is formatted in ‘FAT32’ before use in C12. The system may
store a large amount of small files to the card and ‘FAT16’ will limit the
maximum number of files on the card.
CompactFlash larger than 256MB is not recommended for use.
Figure 2-1 below shows a picture of C12 with the top lid open. Here you
can see where the CompactFlash should be inserted.