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on 2022/07/06 12:02
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18 18  
19 19  
20 20  
21 -(% style="color:inherit; font-family:inherit; font-size:29px" %)1.  Introduction
21 +(% style="color:inherit; font-family:inherit; font-size:29px" %)1. Introduction
22 22  
23 -== 1.1  What is the LPS8N ==
23 +== 1.1 What is the LPS8N ==
24 24  
25 25  
26 26  
27 -(((
28 28  The LPS8N is an (% style="color:#4f81bd" %)**open source LoRaWAN Indoor Gateway**(%%). It lets you bridge LoRa wireless network to an IP network via WiFi, Ethernet, 3G or 4G cellular network. The LoRa wireless allows users to send data and reach extremely long ranges at low data-rates.
29 -)))
30 30  
31 -(((
32 32  The LPS8N uses (% style="color:#4f81bd" %)**Semtech packet forwarder**(%%) & (% style="color:#4f81bd" %)**LoRaWAN Station connection**(%%) and fully compatible with LoRaWAN protocol. It includes a (% style="color:#4f81bd" %)**SX1302 LoRaWAN concentrator**(%%), which provides 10 programmable parallel demodulation paths.
33 -)))
34 34  
35 -(((
36 36  LPS8N has (% style="color:#4f81bd" %)**pre-configured standard LoRaWAN frequency bands**(%%) to use for different countries. User can also (% style="color:#4f81bd" %)**customized the frequency bands** (%%)to use in their own LoRa network.
37 -)))
38 38  
39 -(((
40 40  LPS8N can communicate with ABP LoRaWAN end node without LoRaWAN server. System integrator can use it to integrate with their existing IoT Service without set up own LoRaWAN server or use 3rd party LoRaWAN service.
41 -)))
42 42  
35 +
43 43  (((
44 44  
45 45  )))
46 46  
47 -[[image:1656918270059-192.png]]
40 +[[image:1652411526195-923.png||height="494" width="731"]]
48 48  
42 +== 1.2 Specifications ==
49 49  
50 -== 1.2  Specifications ==
44 +**Hardware System:**
51 51  
52 -
53 -(% style="color:#037691" %)**Hardware System:**
54 -
55 55  (((
56 56   Linux Part:
57 57  )))
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60 60  * 64MB RAM
61 61  * 16MB Flash
62 62  
54 +**Interface:**
63 63  
64 -(% style="color:#037691" %)**Interface:**
65 -
66 66  * 10M/100M RJ45 Ports x 1
67 67  * WiFi : 802.11 b/g/n
68 68  * LoRaWAN Wireless
69 -* Power Input: 5V DC, 2A, Type C
59 +* Power Input: 12 ~~ 24 V DC, 2 A
60 +* IEEE 802.3 af compliant PoE port (DC 37  ~~ 57 v)
70 70  * USB 2.0 host connector x 1
71 71  * Mini-PCI E connector x 1
72 72  * SX1302 + 2 x SX1250
73 73  
65 +**WiFi Spec:**
74 74  
75 -(% style="color:#037691" %)**WiFi Spec:**
76 -
77 77  * IEEE 802.11 b/g/n
78 78  * Frequency Band: 2.4 ~~ 2.462GHz
79 79  * Tx power:
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85 85  ** 11g 54M : -71dbm
86 86  ** 11n 20M : -67dbm
87 87  
78 +**LoRa Spec:**
88 88  
89 -(% style="color:#037691" %)**LoRa Spec:**
90 -
91 -* Up to -140 dBm sensitivity
80 +* Up to -140 dBm sensitivity with SX1250 Tx/Rx front-end
92 92  * 70 dB CW interferer rejection at 1 MHz offset
93 93  * Able to operate with negative SNR, CCR up to 9dB
94 94  * Emulates 49 x LoRa demodulators and 1 x (G)FSK demodulator
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97 97  * Dynamic data-rate (DDR) adaptation
98 98  * True antenna diversity or simultaneous dual-band operation
99 99  
89 +**Cellular 4G LTE (optional):**
100 100  
101 -(% style="color:#037691" %)**Cellular 4G LTE (optional):**
102 -
103 -* Quectel [[**EC25 LTE module**>>url:https://www.quectel.com/product/ec25minipcie.htm]]
104 -* Micro SIM Slot
105 -* External 4G Sticker Antenna.
91 +* Quectel: [[**EC25 LTE module**>>url:https://www.quectel.com/product/ec25minipcie.htm]]
92 +* Standard Size SIM Slot
93 +* 2 x 4G Sticker Antenna.
106 106  * Up to 150Mbps downlink and 50Mbps uplink data rates
107 107  * Worldwide LTE,UMTS/HSPA+ and GSM/GPRS/EDGE coverage
108 108  * MIMO technology meets demands for data rate and link reliability in modem wireless communication systems
109 109  
98 +**Power over Ethernet:**
110 110  
100 +* IEEE 802.3af compliant.
101 +* Support wide input voltage range  37Vdc to 57Vdc.
102 +* Thermal cut off.
103 +* Short circuit protection.
104 +* Over current protection
105 +* Isolation level 4 KVrms.
106 +* Enhanced surge protection
111 111  
112 -== 1.3  Features ==
108 +== 1.3 Features ==
113 113  
110 +* Open Source Embedded Linux system
111 +* Managed by Web GUI, SSH via LAN or WiFi
112 +* Support Semtech UDP packet forwarder
113 +* Support LoRaWAN Station Connection
114 +* Cellular Failover conntection(option)
115 +* Direct Communication to LoRaWAN ABP Node
116 +* LoRaWAN packet filtering
117 +* Far seeing LED indicator
118 +* Built-in GPS module for location & timing
119 +* External fiber glass antenna
120 +* Auto-Provision
121 +* Remote Monitoring
122 +* 802.3af PoE
123 +* IP65
124 +* Lighting Protection
125 +* Power Consumption:12v ,300-500mA
114 114  
115 -* Open Source OpenWrt system
116 -* Managed by Web GUI, SSH via WAN or WiFi
117 -* Remote access with Reverse-SSH or remote.it
118 -* Emulates 49x LoRa demodulators
119 -* LoRaWAN Gateway
120 -* 10 programmable parallel demodulation paths
121 -* Pre-configure to support different LoRaWAN regional settings.
122 -* Allow to customize LoRaWAN regional parameters.
123 -* Support Local decode ABP end node info and transfer to MQTT server
124 -* Support different level log in.
125 -* Support Semtech Packet Forwarder
126 -* Support LoRaWAN basic station.
127 -* Optional 3G/4G cellular connection
127 +== 1.4 Hardware System Structure ==
128 128  
129 +[[image:1652411641871-482.png||height="416" width="716"]]
129 129  
131 +== 1.5 DLOS8N Applications ==
130 130  
131 -== 1.4  Hardware System Structure ==
133 +[[image:1652411671209-920.png||height="618" width="650"]]
132 132  
133 -[[image:1657079015096-949.png]]
135 +== 1.6 LED Indicators ==
134 134  
137 +[[image:1652411720670-489.png]]
135 135  
136 -== 1.5  LPS8N Applications ==
137 137  
138 -[[image:1657079055940-721.png]]
140 +There is a waterproof triple color LED on DLOS8N enclosure, the meaning of the LED is:
139 139  
142 +(((
143 +(((
144 +* (((
145 +(% style="color:green" %)**SOLID GREEN**: (% style="color:black" %)DLOS8N is alive with LoRaWAN server connection.
146 +)))
147 +)))
140 140  
141 -== 1.6  LED Indicators ==
149 +* (((
150 +(% style="color:green" %)**BLINKING GREEN**:(% style="color:black" %) a) Device has internet connection but no LoRaWAN Connection.  or b) Device is in booting stage, in this stage, it will (% style="color:green" %)**BLINKING GREEN**(% style="color:black" %) for several seconds and then (% style="color:red" %)**RED** (% style="color:black" %)and (% style="color:#ffc000" %)**YELLOW** (% style="color:black" %)will blink together.
151 +)))
152 +* (((
153 +(% style="color:red" %)**SOLID RED**: (% style="color:black" %)Device doesn’t have Internet connection.
154 +)))
155 +)))
142 142  
143 -
144 -LPS8N has totally four LEDs, They are:
145 -
146 -* **Power LED **[[image:image-20220706115518-1.png||height="15" width="16"]] : This (% style="color:red" %)**RED LED**(%%) will be **solid on** if the device is properly powered.
147 -* **LoRa LED   **[[image:image-20220706115518-2.png||height="15" width="15"]] : This **RGB LED** will** (% style="color:green" %)blink GREEN(%%)** when LoRaWAN module starts or transmit a packet.
148 -* **SYS LED    ** [[image:image-20220706115518-3.png||height="16" width="16"]] :This **RGB LED** will shows different colors on different state:
149 -** (% style="color:blue" %)**SOLID BLUE**(%%): Device is alive with LoRaWAN server connection.
150 -** (% style="color:blue" %)**BLINKING BLUE**(%%): a) Device has internet connection but no LoRaWAN Connection.  or b) Device is in booting stage, in this stage, it will (% style="color:blue" %)**BLINKING BLUE**(%%) for several seconds and then with (% style="color:red" %)**SOLID RED**(%%) and (% style="color:blue" %)**BLINKING BLUE**(%%) together
151 -** **SOLID RED**: Device doesn’t have Internet connection.
152 -
153 -* **ETH LED    **[[image:image-20220706115518-4.png||height="15" width="17"]] :  This LED shows the ETH interface connection status.
154 -
155 -
156 156  == 1.7 WiFi Direction ==
157 157  
158 158  DLOS8N use directional WiFi Antenna. The best direction is as below:
1657079015096-949.png
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