Raymarine AXIOM+ Series Installation Instructions Manual page 48

Device
RCR-SDUSB (A80440))
RCR-2 (A80218))
For installation details for these devices, please refer to the instructions provided with your accessory.
Warning: USB device power
Do NOT connect any device to the product's USB connection that requires an
external power source.
48
Supported media
1x SD card (or MicroSD card when using an SD
card adaptor)
1x USB (Type A connector) (e.g. for connection
of an external USB hard drive or pen / flash drive)
2x MicroSD card