SX-550-1701 Silex Technology, SX-550-1701 Datasheet - Page 74
![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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Part Number 40183-101
GPIO set message format
Example:
The GPIO pins can also be manged via SNMP. The available MIB items are described in this
section. The GPIO related MIB items are in the Silex private MIB, and the GPIO tree is at
gpio=enterprises.1240.2.3.4.9.
GPIO bit mask
Integer
This is an integer representing a bit mask indicating what GPIO pins are available. There is a 1 for
each GPIO pin that is present. For the SX-550, this value is 255 (xFF), indicating 8 GPIO pins.
Local> set gpio mon en
Local> set gpio addr 192.168.1.100
Local> set gpio port 9999
Local> set gpio poll 100
Local> sh gpio mon
E-GPIO mode Enabled
E-Cable destination 192.168.1.100
Poll interval 100 milliseconds
Not connected
read-only
gpio.1
Table 27 GPIO SNMP Management
Silex SX-550 Developer's Guide
This message may be optionally sent by the
remote computer when an E-GPIO connection is
active. This message allows the remote
computer to set the state for any GPIO pins
configured as ouptus. This is equivalent to the
SET GPIO DATA command.
The message is in the format:
GPIO=00ab<LF>
Where ab are 2 hex digits representing the state
of the GPIO pins. Since there are only 8 GPIO
pins on the SX-550, the first two digits should
always be 0. Any other message sent to the E-
GPIO connection is ignored. If the message is
formatted incorrectly, it is ignored.
Page 66
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