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Summary of Contents for USR IOT USR-WIFI232-D2
- Page 1 USR-WIFI232-D2 Hardware Manual USR-WIFI232-D2 Hardware Manual File version: 1.0.12.01 Jinan USR IOT Technology Limited 1 / 8 h.usriot.com...
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Page 2: Table Of Contents
USR-WIFI232-D2 Hardware Manual Content USR-WIFI232-D2 Hardware Manual ........................1 1. Product Overview ..............................3 1.1. Dimension ................................ 3 1.2. Pin Definition ..............................3 2. Hardware Design ............................... 5 2.1. Typical Connection ............................5 2.2. Power Interface ............................. 5 2.3. UART Interface ............................... 6 2.4. -
Page 3: Product Overview
USR-WIFI232-D2 Hardware Manual 1. Product Overview 1.1. Dimension Module dimension diagram as follow: Figure 1 Dimension diagram 1.2. Pin Definition Jinan USR IOT Technology Limited 3 / 8 h.usriot.com... - Page 4 1.8V interface. Supporting direct connection with external transformer or Ethernet AC Coupling without RX2+ external transformer. From 20~23 respectively are are TX2- Ethernet 2 input-, input+, output-, output+. TX2+ Figure 2 Pin definition Jinan USR IOT Technology Limited 4 / 8 h.usriot.com...
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Page 5: Hardware Design
4.7k-10k Ohm pull-up resistor. 2.2. Power Interface USR-WIFI232-D2 adopt single-voltage 3.3 V power supply. Peak current is about 350mA, work current is about 200mA and sleep mode current is 100mA. The power filter is recommended to be used near the connector of the user board, and it is recommended to use three parallel decoupling capacitors with 100uF, 10uF and 100nF to improve the stability of the system and wireless performance. -
Page 6: Uart Interface
TXD/RXD/RTS/CTS.Take the RS-232 level as a reference circuit diagram as follow: Figure 4 UART interface 2.4. 10/100M Ethernet Interface USR-WIFI232-D2 provide two 10/100M Ethernet Interfaces and support Ethernet Interface with transformer design. Put Ethernet transformer and RJ45 connector on user board is a standard 10/100M Ethernet Interface. -
Page 7: Antenna
USR-WIFI232-D2 Hardware Manual 2.5. Antenna USR-WIFI232-D2 adopt externally installed antenna. USR-WIFI232-D2 need connect to the 2.4GHz antenna that conforms to 802.11b/g/n.The specific parameters of the antenna as the following table: Frequency 2.4~2.5GHz Impedance 50 Ohm VSWR 2 (Max) Return Loss... -
Page 8: Contact
4. Disclaimer This document provide the information of USR-WIFI232-D2 products, it hasn’t been granted any intellectual property license by forbidding speak or other ways either explicitly or implicitly. Except the duty declared in sales terms and conditions, we don’t take any other responsibilities. We don’t warrant the products sales and use explicitly or implicitly, including particular purpose merchant-ability and marketability, the tort liability of any other patent right, copyright, intellectual property right.
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