IONODES ATOMAS-MINI-DUAL, User Manual

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5.2.5 J5 – Ethernet and Power IN
Hirose DF20F-20DP-1V(56)
Pin No. Name Comments
1 10/100 LAN TX + Connects directly to RJ45 or network wiring.
2 10/100 LAN RX - Connects directly to RJ45 or network wiring.
3 10/100 LAN TX - Connects directly to RJ45 or network wiring.
4 10/100 LAN RX + Connects directly to RJ45 or network wiring.
5 N/C
6 N/C
7 VRTC DC Power Input for RTC (1.3V to 5.5V)
8 10/100 LAN LED1 Connects directly to RJ45 or network wiring.
9 GND
10 10/100 LAN LED2 Connects directly to RJ45 or network wiring.
11 CON FACT DFLT
12 GND
13 GND
14 GND
15 3.3V OUT 3.3V DC Power Output (max. 100mA)
16 5V OUT 5V DC Power Output (max. 500mA)
17 VIN Input voltage: 8V to 36V
18 VIN Input voltage: 8V to 36V
19 VIN Input voltage: 8V to 36V
20 VIN Input voltage: 8V to 36V
VRTC is provided in order to allow for optional integration of an external battery source (1.3V to 5.5V) for feeding
the module’s real -time clock (RTC). VRTC is only required to keep the date/time when the main power supply is
not connected. All other data is saved in the persistent FLASH memory. The expected consumption is around
0.060 mA (+/- 0.005 mA). Based on the desired holdup time, the system integrator should select the appropriate
battery capacity.
J5 provides standard 4-wire network connectivity. You only need 4 wires for 10/100 Base-T
network connection; please connect the appropriate network connection pins to your RJ45
connector or wiring. Network status LED pins are also accessible if needed.