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76	76
77	77	== 1.3 Features ==
78	78
79		-* LoRaWAN Class A & Class C protocol (default Class A)
	79	+* LoRaWAN Class A & Class C protocol (default Class C)
80	80	* Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865/RU864
81	81	* AT Commands to change parameters
82		-* Remote configure parameters via LoRaWAN Downlink
	82	+* Remote configure parameters via LoRa Downlink
83	83	* Firmware upgradable via program port
84	84	* Support multiply RS485 devices by flexible rules
85	85	* Support Modbus protocol
86		-* Support Interrupt uplink
	86	+* Support Interrupt uplink (Since hardware version v1.2)
87	87
88	88	== 1.4 Applications ==
89	89
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96	96
97	97	== 1.5 Firmware Change log ==
98	98
99		-[[RS485-BL Image files – Download link and Change log>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/RS485-BL/Firmware/||style="background-color: rgb(255, 255, 255);"]]
	99	+[[RS485-LN Image files – Download link and Change log>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/]]
100	100
101	101	== 1.6 Hardware Change log ==
102	102
103	103	(((
104		-v1.4
105		-)))
106		-
107	107	(((
108		-~1. Change Power IC to TPS22916
109		-)))
	105	+v1.2: Add External Interrupt Pin.
110	110
111		-
112		-(((
113		-v1.3
	107	+v1.0: Release
114	114	)))
115		-
116		-(((
117		-~1. Change JP3 from KF350-8P to KF350-11P, Add one extra interface for I2C and one extra interface for one-wire
118	118	)))
119	119
	111	+= 2. Power ON Device =
120	120
121	121	(((
122		-v1.2
123		-)))
	114	+The RS485-LN can be powered by 7 ~~ 24V DC power source. Connection as below
124	124
125		-(((
126		-Release version ​​​​​
127		-)))
	116	+* Power Source VIN to RS485-LN VIN+
	117	+* Power Source GND to RS485-LN VIN-
128	128
129		-= 2. Pin mapping and Power ON Device =
	119	+Once there is power, the RS485-LN will be on.
130	130
131		-(((
132		-The RS485-BL is powered on by 8500mAh battery. To save battery life, RS485-BL is shipped with power off. User can put the jumper to power on RS485-BL.
	121	+[[image:1653268091319-405.png]]
133	133	)))
134	134
135		-[[image:1652953055962-143.png||height="387" width="728"]]
136		-
137		-
138		-The Left TXD and RXD are TTL interface for external sensor. TTL level is controlled by 3.3/5v Jumper.
139		-
140	140	= 3. Operation Mode =
141	141
142	142	== 3.1 How it works? ==

1653268091319-405.png

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