SX-550-1701 Silex Technology, SX-550-1701 Datasheet - Page 24
SX-550-1701
Manufacturer Part Number
SX-550-1701
Description
WiFi / 802.11 Modules & Development Tools 802.11a/b/g Bridge Serial Server
Manufacturer
Silex Technology
Datasheet
1.SX-550-6900.pdf
(122 pages)
Specifications of SX-550-1701
Interface Type
UART
Board Size
59.6 mm x 49.1 mm x 14.3 mm
Security
802.1xEAP, PEAP, WEP, WPAPSK, TKIP, WPA2, AES
Operating Voltage
3.3 VDC
Operating Temperature Range
0 C to + 50 C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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Additional OEM Interface Signals
The output LED signals ORLED-, GRLED- and YELED- represent the state of the LEDs on the module.
Logic 0 indicates the LED is on, and Logic 1 indicates the LED is off. Buffers are recommended if LEDs
are to be driven on the end-user side.
The SWITCH signal is connected to a momentary pushbutton switch (Test Button) on the Evaluation
Daughtercard and is in the normally open position. Depressing the switch causes a short to ground. A
4.7 K-ohm pull-up resistor to +3.3 VDC is connected. The module’s processor monitors this signal. The
end-user can drive or use open-collector to this signal to either logic level or can monitor this signal as an
input. The Test Button is normally used either to send configuration information to a printer (button
momentarily pressed) or to reset the SX-550 to its default configuration (button held down for more than 5
seconds).
Part Number 40183-101
Pin
1
6
2
3
4
7
8
5
Table 10 RS-232 Cable Pinout Description
Silex SX-550 Developer's Guide
DTR (Data Terminal Ready) Output
DCD (Data Carrier Detect) Input
RTS (Request To Send) Output
DSR (Data Set Ready) Input
TxD (Transmit Data) Output
CTS (Clear To Send) Input
RxD (Receive Data) Input
Description
Ground
Page 16
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