Cermetek Microelectronics, Inc Page 19 of 42
Document NO. 607-00xx Revision A (12/13)
The server can connect with an Access Point over the WiFi or Ethernet link. Once the devices are
connected, the server can connect with every user device and control them as if it were a seamless
local area network.
The AT command AT+FVER=w enables the WDS function. WDS can also be enabled from the web
page.
Figure 17: WDS Networking Demo
2.8. Search Function for Station
When using web configuration for the Station Interface, the user can push the
“Search” button to
find surrounding Access Points.
2.9. Work Mode
CH232BGN
modules communicate only in “Transparent Transmission Mode.” Transparent
transmission mode provides a plug and play serial data port reducing system complexity. On power
up the module will attempt to connect with a compatible wireless network. The parameters which need
to be configured include:
Wireless Network Parameters
Wireless Network Name
(
AT+WSSSID
)
Security Mode & Encryption Key (AT+WSKEY)
TCP/UDP Linking Parameters
Protocol Type; Link Type
(
Server or Client
)
(AT+TCPB)
Target Port ID Number (AT+TCPPTB)
Target Port IP Address (AT+TCPADDB)