3-3
Operation Output Requirement Template
A0 Wireless network
requirements of the
Mindray patient monitor
Determine the wireless network deployment
requirements of the Mindray patient monitor.
Wireless network
requirement table
A2 Network design documents
and materials list
/ /
A5 Installation confirmation
report
Confirm the actual operation of the Mindray
patient monitor after installation.
Patient monitor installation
confirmation table
This document does not contain network design and deployment, which are complex and can be
completed only with help of professional IT engineers.
3.3 Network Requirements
The wireless network needs to meet the following requirements.
Table 3-1 Wireless network requirements
SN Item Requirements
Wireless coverage requirements
1 Wi-Fi coverage signal
strength (RSSI)
-65 dBm
The RSSI is the value displayed on the patient monitor
2 Co-channel interference 20 dB (The strength of the co-channel interference AP signal is at least 20 dB
lower than that of the signal of the AP used by the monitor.)
3 Ping delay The average delay of the PC or mobile phone is less than 100 milliseconds, and
the packet loss rate is smaller than 1%.
AP capacity requirement
1 AP capacity The number of expected devices connected to an AP must be lower than 50% of
the AP capacity. For example, the number of devices normally connected to an
AP is 16 in the coverage of the AP. Then the nominal number of devices that can
be connected to the AP at the same time must be greater than 32.
Multiple SSIDs can be created for the AP.
2 Device density A maximum of 16 devices (including the patient monitor and other devices) can
be connected to one AP at the same time.
WLAN characteristics
1 AP channel width Set the AP channel width to 20 MHz. Do not use HT40 or HT80.
2 802.11 protocol The monitor supports 802.11 a/b/g/n.
The WLAN cannot use the protocols not supported by the Mindray patient
monitor, e.g., 802.11ac.
3 Safe mode The WLAN cannot use safe modes not supported by the Mindray patient
monitor.
You are advised to use WPA2-Enterprise or WPA2-PSK. You are advised to use a
long password and change it frequently.
If supported by the hospital network, you can use WPA2-Enterprise to achieve
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