iConnectivity interfaces have varying power requirements. Some can be powered via the USB bus, some require an external power adaptor, and some can operate in either mode. This spreadsheet will show you the power requirements of your specific interface:
https://docs.google.com/spreadsheets/d/1k1sjwrEFCiVsDt7TEyL6Hp3ZGvIQ4bn3_10czaGzc8Y/edit?usp=sharing
If you lose your iConnectivity power supply you can use a third-party power supply with the above specs in an emergency, but please note that we cannot be held responsible for any damage that may occur to your interface if you do so. We strongly advise the purchase of the correct iConnectivity-branded power supply for your interface. You can order these in our online store.
https://docs.google.com/spreadsheets/d/1k1sjwrEFCiVsDt7TEyL6Hp3ZGvIQ4bn3_10czaGzc8Y/edit?usp=sharing
If you lose your iConnectivity power supply you can use a third-party power supply with the above specs in an emergency, but please note that we cannot be held responsible for any damage that may occur to your interface if you do so. We strongly advise the purchase of the correct iConnectivity-branded power supply for your interface. You can order these in our online store.