SX-550-1701 Silex Technology, SX-550-1701 Datasheet - Page 49

• Manufacturer Part Number: SX-550-1701
• Description: WiFi / 802.11 Modules & Development Tools 802.11a/b/g Bridge Serial Server
• Manufacturer: Silex Technology

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

In order to connect the SX-550 module to your device, you will need to provide either a custom
daughtercard or a special cable. Both of these solutions will require a 40-pin female connector on one
side, with the appropriate connector(s) for connecting to your device’s circuitry on the other side. The
custom daughtercard is generally a superior solution because it provides better mechanical connections
for greater overall system reliability.
A good model for a custom daughtercard is the Silex SX-550-6900 Evaluation Daughtercard (see chapter
2 for a discussion of the Evaluation Daughtercard). To assist you in the design of your daughtercard, we
have therefore included the schematics of the Evaluation Daughtercard in figure 22.
The major design considerations for the SX-550 are as follows:
Each of these design considerations is covered in the following sections of this chapter.
Part Number 40183-101
40-pin OEM Header. This is the primary mechanism for communications between the OEM
device and the SX-550. This section describes the pinout and the mechanical considerations.
Antenna Connectors. The two U.FL connectors can be used to connect a variety of antennas.
Ethernet Phy Transformer. If you are using Ethernet, you will need to provide a transformer that
meets the specifications outlined in this section.
General Purpose I/O (GPIO). The GPIOs can be used to control LEDs and for a variety of other
purposes.
Power. The power requirements for the SX-550 are stated in this chapter.
Interfacing the SX-550 to the OEM Device
Silex SX-550 Developer's Guide
Chapter 5
Page 41