Appendix 3.1 Network Setup
When preparing the network for connection to the displaying unit, the following should be considered:
Item Standards used Comments
Wireless
communication
IEEE 802.11 The device uses a WPA_Supplicant to support WPA2 Wireless
communication as TKIP and CCMP. The authentication and integrity of the
communication is provided by the underlying FIPS 140-2 compliant
chipset wireless driver.
LAN communication IEEE 802.3
IEEE 802.3ab
IEEE 802.3az
PICMG3.1
The device uses a standard Gigabit Ethernet controller supporting a
1000base-T interface.
Access test ICMP / ping Allowing ease-of-discovery for hospital IT infrastructure
Network adaptor
configuration
DHCP Only configurable through DHCP. Special configurations for the network
adapter such as static IP are currently not supported.
Re-routing The device does not support re-routing traffic from Wi-Fi to LAN or vice
versa, therefore the device cannot act as a NAT (Network Address
Translation) gateway.
PACS servers DICOM To support a broad range of network infrastructures and PACS servers,
the device supports DICOM without CMS (Cryptographic Message Syntax)
encryption for transporting images and video to the PACS server.
Ports There are no open ports, the device firewall only accepts TCP responses
for DICOM and replies to ICMP ping requests.
Appendix 3.2 Data at rest and in transit
The displaying unit uses SQLite3 databases to secure information about the scopes, procedures and network
configurations. The SQLite database is not accessible from the GUI, but images, videos and a limited log can be exported
to a PACS server and/or USB device.
The following exportable data are stored:
Item Format Comments
Images DICOM object / PNG
Video DICOM object / MP4
(h.264)
Ambu
Application log
Clear-text format The log files exported are mainly for troubleshooting purposes by
Ambu staff, in case you encounter problems with the displaying unit.
The files are compressed in a format more secure than Windows
standard compression function. Unzipping the data requires a third
party tool (e.g. 7-zip).
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