A Wireless LAN
Operator’s Manual A - 3
A.5 Troubleshooting
Modulation mode 802.11b: DSSS
802.11g/n: OFDM
Operating frequency 2.412-2.472 GHz, 2.484 GHz
Channel spacing 5 MHz
Output power ≤17dbm
Wireless network mode Infrastructure, ad-hoc
Table A-2 Wireless Quality of Service
Item Specifications
Data rate 802.11b: up to 11 Mbps @ 2.4 GHz
802.11g: up to 54 Mbps @ 2.4 GHz
802.11n: up to 300 Mbps @ 2.4 GHz and 5 GHz
Data security WPA2-PSK encryption
Application-layer reliability Application failure will be notified to the user
immediately.
System capacity No more than one device can be allowed to link
to the ultrasound system.
System anti-interference Can be coexistent with other Wi-Fi devices.
Network interruption alarm Network interruption is notified by
disconnection icon and failure in transmission is
notified by the dialog box.
EMC test process Wi-Fi function is not affected when the system
is imposed with radiation interference complied
with IEC60601-1-2:2014 standard.
Table A-1 Wireless specification and technology
Item Specifications
Failure Measure
Unable to connect the
network.
• Verify that network is available.
• The SSID and password of the device should be consistent with
those of the wireless AP.
• Check for IP address conflict. If yes, set the IP address correctly.
• Check if Mindray recommended wireless AP is used. If not,
verify the AP effective transmission rate meets the throughput
requirements of the connected devices.
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