Amx NXD-CV7 User Manual download pdf (Page 117)

Firmware Pages and Descriptions

109

7" Modero Widescreen Touch Panels

System Connection Page

The System Connection page (FIG. 94) sets the Secondary DNS Address information with its

corresponding IP communication parameters, NetLinx Master communication settings, and reads

the device number assigned to the Modero panel.

Secondary Connection Page Elements (Cont.)

Wireless Settings (Cont.):

Channel The RF channel being used for connection to the WAP (read -only).

• This is determined through the WAP.

Link Quality Displays the current quality of the link (as descriptive colored text) from the

wireless NIC to the Wireless Access Point in real time.

• The bargraph has been replaced with a descriptions: None, Poor, Fair,

Good, Very Good, and Excellent. Green color text indicates better

communication quality.

• It reports the quality of the signal over the air (direct sequence spread

spectrum). Even when the link quality is at its lowest you still have a

connection and with it the ability to transmit and receive data, even if at much

lower speeds.

Note: Both Link Quality and Signal Strength are applicable to the RF

connection only. It is quite possible to have an RF signal to a Wireless Access

Point but be unable to communicate with it because of either incorrect IP or

encryption settings.

Signal Strength SNR (Signal Noise Ratio) is a measure of the relative strength of a wireless RF

connection. This indicator displays a description of the signal strength from the

Wireless Access Point connection.

• The bargraph has been replaced with a descriptions: None, Poor, Fair,

Good, Very Good, and Excellent. Green color text indicates better signal

strength.

• Given this value and the link quality above, a user can determine the noise

level component of SNR.

Ex: If the signal strength is high but the link quality is low then the cause of the

link degradation is noise. However, if the signal strength is low and the link

quality is low the cause would simply be signal strength.

Data Rate The data rate (in Mbps) at which the panel is currently communicating with a

target WAP at (dynamic).

• As you move closer to the target WAP (and both the signal strength/

quality), the data rate increases and as the quality degrades this rate

decreases.

• Data rates for 802.11b communication are: 1, 2, 5.5, and 11 Mbps.

• Ex: 802.11b has a max data rate is 11 Mbps.

FIG. 94 System Connection page showing default values (reads and assigns values to the panel and Master)

IP Settings section

Master Connection section

(NetLinx Master properties)

Master Connection features are not

saved until the panel is rebooted

Red fields are user-editable

Blue fields cycle through choices

Grey fields are read-only

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Amx NXD-CV7 User Manual Page 117

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