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2.3.1 RS232
The following figure shows a schematic diagram of the external interface of RS232.
Interface,the definition is as follows:
No
1
2
3
4
5
6
7
8
2.3.2 LAN Interface and WAN interface
HLK-WR02
serial wifi server
interface is a standard form of RJ-45 interface. RJ-45 interface definition is shown as
：
below
Shenzhen Hi-Link Electronic Co.,Ltd
http://www.hlktech.comTel:+86 0755-83575155 Fax+86 0755-83575189
2-2 HLK-WR02Interface
Fig
Fig 2-3 RS232 PIN
Function
Direction
N/C
N/C
RXD
Input
TXD
Output
N/C
N/C
GND
Input
N/C
N/C
N/C
N/C
N/C
N/C
provides two network interface, WAN port and LAN port, the
Explaination
None
Data reciving input
Data sending output
None
Ground
None
None
None
7
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