SX-550-1701 Silex Technology, SX-550-1701 Datasheet - Page 44
![WiFi / 802.11 Modules & Development Tools 802.11a/b/g Bridge Serial Server](/photos/15/98/159889/sx550-large_sml.jpg)
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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You can test this connection by using the TELNET utility from the Windows Command Prompt (MS-DOS
prompt), Mac OS X Terminal Utility, or UNIX/Linux command line as follows:
where ipaddress is the IP address of the SX-550 and portnumber is the SX-550 TCP port number. For
example:
In this example, if you have a serial printer or other device capable of displaying ASCII characters
connected to the SX-550 Serial Port 1, then every character you type should be printed on that serial
device (buffered serial devices may need you to type a control character such as a formfeed (CONTROL-
L) before the characters are printed).
RFC 2217 Support
RFC 2217 allows you to connect from a host computer over the wireless or Ethernet network to a serial
device attached to the serial port of the SX-550, even if the baud rate of that device does not match the
baud rate of the host computer’s software. For example, if the host computer software was set to 57.6Kbs
and the SX-550 serial port was set to 19.2Kbps, the RFC 2217 support would take care of the mismatch.
RFC 2217 also allows you to access your device’s modem control signals over the network. It is
especially useful for migrating applications that use modem controls from a direct serial connection to a
serial device server network connection (RFC 2217 modem signal support is supported in SX-550
firmware versions 2.04 and higher).
You can utilize RFC 2217 from the Silex Serial Port Emulator software (see above), or by connecting to
TCP port 9200 from your application program.
The RFC 2217 features supported by the SX-550 include:
** Requires 2.04 or later firmware
*** Only the break bit is tested to generate a notification, not the various transmit/receive status registers
(TX empty, etc).
ECable Mode
Normally, it is up the computer to initiate a connection to the SX-550. For some applications, it is
desirable for the SX-550 to initiate the connection to the computer. The SX-550 supports this capability
through its ECable feature.
Part Number 40183-101
telnet ipaddress portnumber
telnet 192.168.5.53 9100
SET and QUERY baud rate
SET and QUERY character size
SET and QUERY parity
SET and QUERY stop bits
SET (and query) outbound flow control setting (separate input & output flow control not
supported)
SET outbound break state **
QUERY inbound break state **
SET and QUERY DTR state
SET and QUERY RTS state (SET only if not HW flow control)
DCD, DSR & RI line monitoring **
Silex SX-550 Developer's Guide
Page 36
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