RBMTX-Lite Connectors

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This page contains connectors description of RBMTX-Lite {{{type}}}.

Power supply connector

Please use power adapter which is included in package. It ensures “clean” power supply input and avoids short transients on power supply lines originating from inductive load switching. The power supply connector is a 2-pin connector for external DC power supply. Power supply range of RBMTX-Lite is {{{psr}}}.

RBMTX-Lite powersupply.png

Pin Name Direction Description
+ V+ IN {{{psr}}}
- GND - Ground

RB900L3 powersupplypinout.png

NOTE: The device is switched off by removing the external power supply from the electric socket. The electric socket must be located close to the device and easily accessible.

Antenna connectors

GSM antenna connector

SMA antenna connector placed on {{{gsm_place}}} panel is used to connect external GSM/UMTS/LTE. It must be connected to establish a connection with GSM/UMTS/LTE network. In good circumstances (good coverage, level of received signal is high) use antenna which is included in package. When signal strength is poor please use outdoor directional/omnidirectional or indoor antenna.

Note: If antenna is not connected, connection with GSM/UMTS/LTE network will be impossible. Note: Make sure you don't tighten the antenna too much. The torque setting of SMA connector is 0.15 – 0.20 NM.

WiFi + Bluetooth and GNSS antenna connector (option)

Router can be optionally equipped with WiFi+Bluetooth or GNSS receiver (select the appropriate router variant when ordering). SMA antenna connector placed on {{{wifi_place}}} panel is used to connect external WiFi+Bluetooth or GNSS antenna. WiFi+Bluetooth antenna connector type is SMA male, but GNSS antenna connector type is female (the same as for GSM/UMTS/LTE antenna). There is no variant with WiFi+Bluetooth and GPIO (no space for both SMA and GPIO connectors).

Note: If the antenna is not connected, connection with WiFi/Bluetooth network/GNSS system will be impossible. To let the router get the correct position (NMEA coordinates) put the antenna outside (in a place where the GNSS system is visible).
Note: Make sure you don't tighten the antenna too much. The torque setting of SMA connector is 0.15 – 0.20 NM.

GPIO connector (option)

RBMTX-Lite-IO router variant has 8-pin GPIO connector marked as “IO”. Below is the schema and pinout of GPIO connector.

RBMTX-Lite gpio.png

Pin no. Signal Description
1 3.3 V -
2 IN1 Digital Input 1, range 0..3,3V*
3 IN2 Digital Input 2, range 0..3,3V*
4 IN3 Digital Input 3, range 0..3,3V*
5 OC1 Open collector Output
6 OUT1 Digital Output 1, range 0..3,3V
7 OUT2 Digital Output 2, range 0..3,3V
8 GND Ground

* - can be extended to Digital Input, range from 0 to max. 30V (option)

To configure or check the GPIO lines please go to "GPIO" tab in Web platform. You can read current GPIO states or set initial states of GPIO pins. You can also add new GPIO event (one time or regular) on all or selected pin.


Interfaces

Serial ports

Serial RS232 and RS485 port (RJ-45 connector marked as “RS232/485”) is placed on front panel of {{{type}}}. Pinout is described in the table below:

RS232/RS485 signal RJ45 connector
A 1
5V 2
B 3
GND 4
TX 5
RX 6
RTS 7
CTS 8

LAN connector

Second RJ-45 connector (marked as "LAN") is placed next to serial connector and is used for communication with PC or laptop through Ethernet interface. WWW configuration is available in the web browser (default IP address is 192.168.1.234). You can change the default IP address in {{{ip_address_link}}}.
WARNING: Do not connect the PoE (Power-over-Ethernet) connection to the LAN port. Otherwise it may damage the device!

"R" button - factory reset

To reset the {{{type}}} to the factory default configuration push the "R" button for at least 5 seconds, then release it and wait for system boot.

TR switch

TR switch is is used to add the termination resistance for RS485 interface.