USR-K6 User Manual www.usriot.com
Jinan USR IOT Technology Limited 15 / 107 [email protected]
1
N/C
N/C
N/C
2
N/C
N/C
N/C
3
Link
Connected status
of TCP
Used as indication pin for TCP connection status. If the LINK
function is enable and connected, this LED will light.
4
RST
reset
Connected to the IP of the user’s MCU, reset when abnormal,
reset when the pin reach 200ms
5
485-en
Reserve pin
RS485 enable pin
6
CFG
(reload)
Configuring the pin
using serial
When normal working , don’t connect the pin or connect to
high level. Under low level, the pin is used for module
configuration, access to power then pull down“Reload” pin
Refer to 4.4.3 Factory Reset
7
LED2
Net port data instr Single chip data indicator foot, when data transport in the
network, it will flash.
8
RXD
Module
data
receive
TTL connect to 3.3v MUC
9
TXD
Module data send
TTL connect to 3.3v MCU
10
GND
Signal location
Grounding
11
VCC
Power
Power:3.3V@200mA
12
NC
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Form 3.1-1 Pin Definition
3.2.
Dimension