Summary of Contents for MEN Mikro Elektronik NM50
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Page 1: User Manual
20NM50-00 E2 2016-05-17 NM50 Mobile Gateway & WLAN Access Point Industrial Stand-Alone Device User Manual... - Page 2 High Speed Internet and OpenWrt Firmware The NM50 Access Point can support up to two WLAN modules, and provides reliable high speed internet and local data connection to multiple WLAN compatible devices. A configurable firewall protects WLAN clients and supports secure and uninterrupted internet data access.
- Page 3 Diagram Diagram Front panel is model dependent. USB 2.0 Series B Interface Power Supply Connector Status/Activity LEDs Earthing Stud USB 2.0 Series A Interface Discrete I/O Antenna RP‐TNC Connectors Antenna RP‐TNC Connectors Gigabit Ethernet M12 A‐Coded Connectors Mounting Holes 20NM50-00 E2 2016-05-17 Page 3 ...
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Page 4: Technical Data
Technical Data Technical Data Supported Port Types The following configurations are available: Entry: 1x 10/100/1000BASE-T M12 connector, wide range power input, 1x WLAN Radio, 2x RP-TNC antenna connectors (Model: 09NM50-00) High End: 2x 10/100/1000BASE-T M12 connectors, wide range power input, 2x WLAN radio, 4x RP-TNC antenna connectors, 1x USB 2.0 series A, 1x USB 2.0 series B, 2x discrete I/O) (Model: 09NM50-01) Please... - Page 5 Input current for low: <1 mA Input switching level: 40 to ±5% Independent input reference voltage range 0 to 154 V Optocoupler shutter control option Only available on the NM50 version with full configuration 20NM50-00 E2 2016-05-17 Page 5 ...
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Page 6: Electrical Specifications
Technical Data Front Interfaces One USB 2.0 series A, host port (Model: 09NM50-01) Series A connector at front panel Firmware and configuration update support One USB 2.0 series B, device port (Model: 09NM50-01) Series B connector at front panel Console-mode maintenance support Ethernet 1 ... -
Page 7: Environmental Specifications
Technical Data Environmental Specifications Temperature range (operation): -40 to 70°C, with up to 85°C for 10 minutes according to class Tx (EN 50155) Natural convection, fanless operation Temperature range (storage): -40 to +85°C Relative humidity (operation): max. 95% non-condensing ... - Page 8 Product Safety Product Safety Electrostatic Discharge (ESD) Computer boards and components contain electrostatic sensitive devices. Electrostatic discharge (ESD) can damage components. To protect the board and other components against damage from static electricity, you should follow some precautions whenever you work on your computer. Power down and unplug your computer system when working on the ...
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Page 9: About This Document
About this Document About this Document This user manual is intended only for system developers and integrators, it is not intended for end users. It describes the design, functions and connection of the product. The manual does not include detailed information on individual components (data sheets etc.). History Issue Comments... - Page 10 About this Document Conventions Indicates important information or warnings concerning situations which could result in personal injury, or damage or destruction of the component. Indicates important information or warnings concerning the use of voltages that could lead to a hazardous situation which could result in personal injury, or damage or destruction of the component.
- Page 11 Legal Information Legal Information Changes MEN Mikro Elektronik GmbH ("MEN") reserves the right to make changes without further notice to any products herein. Warranty, Guarantee, Liability MEN makes no warranty, representation or guarantee of any kind regarding the suitability of its products for any particular purpose, nor does MEN assume any liability arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including, without limitation, consequential or incidental damages.
- Page 12 Nevertheless, MEN is registered as a manufacturer in Germany. The registration number can be provided on request. Copyright © 2015 MEN Mikro Elektronik GmbH. All rights reserved. Germany France MEN Mikro Elektronik GmbH MEN Mikro Elektronik SAS MEN Micro Inc.
- Page 13 Opening the NM50........
- Page 14 Contents Firmware Update ..........45 3.5.1 Firmware Boot .
- Page 15 Basic block diagram for the NM50 ........
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Page 16: Product Description
Product Description Product Description This chapter provides an overview of the system in a typical configuration, and also highlights the various possible configuration options. Overview of the System Figure 1. Entry Level: 09NM50-00 front panel and connectors W L A N 1 W L A N 2 Figure 2. -
Page 17: External Interfaces
The following illustrations display the standard front panel and connectors available on the entry level and high end versions of the network box. All interfaces are located on the front panel of the NM50. Figure 3. Overview of the front panel interfaces and configuration options Entry 09NM50‐00 ... -
Page 18: Map Of The System
Product Description Map of the System Figure 4. Basic view of the NM50 interior SIM Card Slot for PCIe MiniCard Slot 2 6 Gigabit Ethernet M12 A‐Coded Connectors PCI Express Mini Card Slot 2 Discrete I/O PCI Express Mini Card Slot 1 USB 2.0 Series B Interface 9 USB 2.0 Series A Interface Fuse S1 (5A T) 5 Power Supply Connector Connectors are dependent on model. See Chapter 1.2 External Interfaces on page 17 for more information. -
Page 19: Block Diagrams
Product Description Block Diagrams The following block diagram highlights the principal parts and functions of the system. Figure 5. Basic block diagram for the NM50 2 GB DDR3 64bit EEPROM SDRAM Flash Temp Sensor GB Ethernet RGMII GPIO Watchdog GB Ethernet RGMII CPLD UART USB/UART... -
Page 20: Product Identification
Product Identification MEN user documentation may describe several different models and/or design revisions of the NM50. You can find information on the article number, the design revision and the serial number on a label affixed to the chassis. Article number: Indicates the product family and model. This is also MEN’s order- ... -
Page 21: Getting Started
Getting Started Getting Started Unpacking the NM50 After unpacking, check whether there are any transport or other damages on the system. If one of the following situations arises, have the equipment checked by service personnel: The power cable or plug is damaged. -
Page 22: Configuring The Hardware
» PCI Express Mini Cards Two PCI Express Mini Cards for wireless functions, can be installed in the NM50. LTE (4G) and WLAN cards can be ordered as accessories from MEN Chapter 2.3.3 Installing PCI Express Mini Cards on page 24 for details on the installation of the PCI Express Mini Cards. -
Page 23: Opening The Nm50
Getting Started 2.3.2 Opening the NM50 To access the PCI Express Mini Card slots of the NM50, the bottom panel of the housing has to be removed. Carry out the following steps to remove the bottom panel » Place the box, cooling fins down, on a protected surface »... -
Page 24: Installing Pci Express Mini Cards
2.3.3 Installing PCI Express Mini Cards Within its housing, the NM50 provides two PCI Express Mini card slots. The M2.5x8 screws, required for installation, are already secured to the board. Carry out the following steps to install a PCI Express mini card Chapter 2.3.2 Opening the NM50 on page 23... -
Page 25: Inserting A Sim Card
Getting Started 2.3.4 Inserting a SIM card Within its housing, the NM50 provides one SIM card slot. Carry out the following steps to insert a SIM card: Chapter 2.3.2 Opening the NM50 on page 23 for information on how to open the housing to access the internal SIM card slot. -
Page 26: Installing The Nm50
NM50, as any modifications necessary to the system are difficult, or even impossible to do after the network box has been mounted. Before installing the NM50, make sure that the installation site has been prepared and that the operating environment meets the equipment requirements. -
Page 27: Wall Mounting
Getting Started The NM50 network box has been designed to either sit on a flat surface or be securely mounted to a wall or similar surface. It is possible to mount up to two devices in a half 19-inch DIN rack. -
Page 28: Figure 12. Mounting The Nm50
Getting Started Figure 12. Mounting the NM50 Figure 13. NM50 dimension diagram 44.1 mm 220 mm 3 mm 192 mm 20NM50-00 E2 2016-05-17 Page 28 ... -
Page 29: Connecting The System
2.5.1 Safety Instructions for Connection Follow the safety instructions before you connect the NM50. Read all labels and warnings on the equipment carefully; especially the power configuration and coding label affixed to the system chassis. Work on the computer system may only be carried out by personnel ... -
Page 30: Connecting Peripherals
Starting the System After connecting all Ethernet devices to be served by the NM50, connect a suitable power source (with respective input voltage) and the system will boot up with its default settings Chapter 4.1 Power Input on page 49... -
Page 31: Accessing The System
3.1.2 Default Configuration In the default configuration, the NM50 uses the ETH1 Gigabit Ethernet interface as LAN port and the ETH2 Gigabit Ethernet interface as WAN port. The WLAN interfaces are disabled. Figure 15. -
Page 32: User Interfaces
OpenWrt Linux shell (BusyBox) 3.2.1 LuCI Web Interface Per default, the LuCI web interface is accessible via the NM50 LAN port (ETH1) from a web browser. Carry out the following steps to access the web interface: »... - Page 33 Accessing the System It is comprised of an overview of the system, memory and network state and detailed information about the firewall, routes, system log, kernel log and processes. The realtime graphs shows three-minute timeline diagrams with information about: CPU load, ...
- Page 34 Accessing the System 3.2.1.3 Services Menu The service menu is for the configuration of special services like network shares and further settings if additional software packages have been installed. Figure 18. LuCI - services menu 3.2.1.4 Network Menu The network menu contains all the settings for: Ethernet interfaces ...
- Page 35 CLI via UART Carry out the following steps to access the CLI via the USB-UART interface: » Connect the PC to the USB1 port of the NM50. » Open a terminal program and configure the serial settings to 115200 8/N/1 (115200 baud, 8 data bits, no parity bit, one stop bit).
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Page 36: U-Boot Interface
Configuration and Diagnosis The OpenWrt Linux distribution provides an easily modifiable operating system for the NM50 with many diagnosis capabilities. This chapter describes in brief OpenWrt's common configuration and diagnosis support, especially with the CLI. The LuCI web interface usage is mostly self-explanatory. - Page 37 That means if you want to make your changes permanent, you have to commit these changes. Example of how to change for the NM50 IP address of the LAN interface: ...
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Page 38: Network Configuration
Accessing the System 3.3.2 Network Configuration All the important network settings can be made from the LuCI web interface or with the uci tool from the CLI. The central network configuration is located in the file /etc/config/network. This configuration file is responsible for defining switch VLANs, interface configurations and network routes. -
Page 39: U-Boot Environment
Accessing the System Figure 20. LuCI - Package management from the web interface 3.3.4 U-Boot Environment The firmware provides the possibility to view and set environment variables of the U- Boot bootloader. The environment variables can be accessed from the CLI. »... -
Page 40: Nas Functionality
Accessing the System 3.3.5 NAS Functionality The firmware supports NAS functionality for plugged USB storage devices. The mount points and network shares configuration for the NAS can be configured from the CLI or via the web interface. 3.3.5.1 Mount Point Configuration »... -
Page 41: Network Diagnostic
Accessing the System Figure 22. LuCI NAS network share configuration 3.3.6 Network Diagnostic The following basic network diagnostic tools are provided from the web interface: Ping Traceroute Nslookup From the CLI, the following Linux tools are available for enhanced network diagnostic: ping ... -
Page 42: Status Information
Accessing the System 3.3.7 Status Information The firmware provides the following status information via the web interface: Overview of system, memory and network status Detailed firewall status Detailed routes status System Log information Kernel Log information ... -
Page 43: Nm50 Specific Features
3.4.2 Fault LED The NM50 has a red Fault LED that illuminates after a reset and remains on until the firmware has loaded. However, this LED can also be changed using the web interface or the CLI. Configuring the Fault LED in the CLI: »... -
Page 44: Discrete I/O
Figure 24. LuCI configuration to blink the fault LED 3.4.3 Discrete I/O The NM50 provides one Discrete Input and one Discrete Output at the X10 connector. The Discrete I/O can be controlled from the CLI. » Get state of Discrete Input: root@OpenWrt:/# echo 504 > /sys/class/gpio/export... -
Page 45: Temperature Sensor
Accessing the System 3.4.4 Temperature Sensor The NM50 is assembled with a temperature sensor. The temperature can be read from the CLI. » Get temperature with the sensors tool: root@OpenWrt:/# sensors lm75‐i2c‐0‐4d Adapter: MPC adapter at 0xff703000 temp1: +35.5 C (high = +80.0 C, hyst = +75.0 C) » Get temperature via sysfs: root@OpenWrt:~# cat /sys/class/i2c‐dev/i2c‐0/device/0‐004d/hwmon/ hwmon0/temp1_input 35500 root@OpenWrt:~# cat /sys/bus/i2c/devices/0‐004d/hwmon/hwmon0/... -
Page 46: Flash Layout
Accessing the System 3.5.2 Flash Layout The firmware defines the following flash layout: Table 2. Flash partitions Partition Offset Size Rights Description u-boot 0x0000.0000 512 kB U-Boot u-boot-env 0x0008.0000 8 kB U-Boot Environment 504 kB Spare space 0x0010.0000 64 kB Device Tree Blob kernel 0x0011.0000... -
Page 47: Flashing Firmware Instructions
» Flash the u-boot partition and also flash the dtb partition to change the u-boot par- tition back to read-only. The binary file can be programmed into the NM50 flash from the CLI, or via the web interface. 3.5.4 Flashing Firmware Instructions This chapter describes step by step how to flash the firmware from the web interface and CLI. - Page 48 3.5.4.2 Firmware Update from the CLI For the firmware update from the CLI, the firmware binary must be stored at the NM50. The binary can be copied from a USB stick, or through a network connection (e.g. using wget to get the binary from a FTP server).
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Page 49: Functional Description
Functional Description Power Input The NM50 is supplied with an ultra wide input voltage range of 14.4 to 154 VDC connected via a 3-pin COMBICON connector. The DC power supply voltage rage is compliant to EN 50155 for the railway market, and supports nominal voltages 24, 36, 48, 72, 96 and 110 VDC, as well as power interruption class S2 (10ms). -
Page 50: Status And Activity Leds
Functional Description Status and Activity LEDs The NM50 has a power status LED and a fault indicator LED at the front panel. Please see Chapter 1.2 External Interfaces on page 17 for the position of the LEDs. Table 5. General status LEDs at front panel... -
Page 51: Usb Series B
Digital ground USB_D+, USB_D- in/out USB lines, differential pair Ethernet Interfaces The NM50 provides up to two Gigabit Ethernet ports at the front panel, depending on configuration: 09NM50-00: 1 Gigabit Ethernet port 09NM50-01: 2 x Gigabit Ethernet ports ... -
Page 52: Ethernet Status Leds
Rx or Tx Port 1 link green on, when connection established Antenna Connectors The NM50 provides up to four antenna connectors at the front panel, depending on configuration: 09NM50-00: 2 x antenna connectors 09NM50-01: 4 x antenna connectors ... -
Page 53: Discrete I/O
Functional Description Discrete I/O The high-end version of the NM50 features one discrete I/O interface at the front panel. The discrete I/O interface provides one isolated general purpose input and one isolated general purpose output. In addition, the NM50 has one dedicated W_Disable input which can be used to disable radio operation. -
Page 54: Discrete Output
4.6.2 Discrete Output The NM50 provides a photo coupler which is used as a shutter. By default, the shutter is not mounted, but as an option, the photo coupler outputs have 100k Ohm pull up and pull down resistors connected to the Vref_BIN and GND_BIN. -
Page 55: Pci Express Mini Card Interface
Functional Description 4.6.3 PCI Express Mini Card Interface The NM50 supports the PCI Express Mini Card standard. Its two PCI Express Mini Card slots are located within the housing. Please see Figure 4, Basic view of the NM50 interior on page 18 for the position of the PCI Express Mini Card slot. - Page 56 Functional Description Table 15. Signal mnemonics of 52-pin PCI Express Mini Card connector Signal Direction Function Power Ground +3.3Vaux 3.3V source 1.5V 1.5V source SIM card UIM_PWR not connected UIM_DATA in/out not connected UIM_CLK not connected UIM_RST not connected UIM_VPP not connected PCI Express REFCLK-/ PCI Express differential reference...
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Page 57: Maintenance
Maintenance Maintenance Cleaning the System The system should be cleaned once a year. Clean the bottom and top plate, remove dirt and dust from air ventilation holes. Light dirt can be removed with a dry cloth. Persistent dirt should only be removed with a mild detergent and a soft cloth. Take care that no liquid gets inside the system. -
Page 58: Appendix
Reference dimensions, indicating the required measurements for mounting the box, are provided in the dimension diagram attached to the end of this document. See the detailed 3D drawing, which is available for download on the NM50 page on the MEN website for additional information.
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