Teltonika LTE M1/NB-IoT Gateway – TRB255

MOBILE

• Mobile module LTE (Cat M1) / NB-IoT / EGPRS
• SIM switch 2 SIM cards, auto-switch cases: weak signal, data limit, SMS limit, roaming, no network, network denied, data connection fail, SIM idle protection
• Status Signal strength (RSSI), SINR, RSRP, RSRQ, EC/IO, RSCP, Bytes sent/received, connected band, IMSI, ICCID
• SMS status, SMS configuration, send/read SMS via HTTP POST/GET, EMAIL to SMS, SMS to EMAIL, SMS to HTTP, SMS to SMS, scheduled SMS, SMS autoreply, SMPP
• USSD Supports sending and reading Unstructured Supplementary Service Data messages
• Black/White list Operator black/white list
• Multiple PDN Possibility to use different PDNs for multiple network access and services
• Band management Band lock, Used band status display
• APN Auto APN
• Bridge Direct connection (bridge) between mobile ISP and device on LAN
• Passthrough Router assigns its mobile WAN IP address to another device on LAN

ETHERNET

• LAN 1 x LAN port, 10/100 Mbps, compliance with IEEE 802.3, IEEE 802.3u standards, supports auto MDI/MDIX

NETWORK

• Routing Static routing, Dynamic routing (BGP, OSPF v2, RIP v1/v2, NHRP)
• Network protocols TCP, UDP, IPv4, IPv6, ICMP, NTP, DNS, HTTP, HTTPS, FTP, SMTP, SSL v3, TLS, ARP, VRRP, PPP, PPPoE, UPNP, SSH, DHCP, Telnet, SMPP, SMNP, MQTT, Wake On Lan (WOL)
• VoIP passthrough support H.323 and SIP-alg protocol NAT helpers, allowing proper routing of VoIP packets
• Connection monitoring Ping Reboot, Wget Reboot, Periodic Reboot, LCP and ICMP for link inspection
• Firewall Port forward, traffic rules, custom rules
• DHCP Static and dynamic IP allocation, DHCP Relay, Relayd
• QoS / Smart Queue Management (SQM) Traffic priority queuing by source/destination, service, protocol or port, WMM, 802.11e
• DDNS Supported >25 service providers, others can be configured manually
• Network backup Mobile, VRRP, Wired options, each of which can be used as an automatic Failover
• Load balancing Balance Internet traffic over multiple WAN connections
• SSHFS Possibility to mount remote file system via SSH protocol

SECURITY

• Authentication Pre-shared key, digital certificates, X.509 certificates
• Firewall Pre-configured firewall rules can be enabled via WebUI, unlimited firewall configuration via CLI; DMZ; NAT; NAT-T
• Attack prevention DDOS prevention (SYN flood protection, SSH attack prevention, HTTP/HTTPS attack prevention), port scan prevention (SYN-FIN, SYN-RST, X-mas, NULL flags, FIN scan attacks)
• VLAN Port and tag based VLAN separation
• Mobile quota control Custom data limits for both SIM cards
• WEB filter Blacklist for blocking out unwanted websites, Whitelist for specifying allowed sites only
• Access control Flexible access control of TCP, UDP, ICMP packets, MAC address filter

VPN

• OpenVPN Multiple clients and a server can run simultaneously, 12 encryption methods
• OpenVPN Encryption DES-CBC, RC2-CBC, DES-EDE-CBC, DES-EDE3-CBC, DESX-CBC, BF-CBC, RC2-40-CBC, CAST5-CBC, RC2-64-CBC, AES-128-CBC, AES-192-CBC, AES-256-CBC
• Ipsec IKEv1, IKEv2, with 5 encryption methods for IPsec (DES, 3DES, AES128, AES192, AES256)
• GRE GRE tunnel
• PPTP, L2TP Client/Server instances can run simultaneously, L2TPv3 support
• Stunnel Proxy designed to add TLS encryption functionality to existing clients and servers without any changes in the program’s code
• DMVPN Method of building scalable IPsec VPNs
• SSTP client instance support
• ZeroTier ZeroTier VPN client support
• WireGuard WireGuard VPN client and server support

MODBUS TCP SLAVE

• ID range Respond to one ID in range [1;255] or any
• Allow Remote Access Allow access through WAN
• Custom registers MODBUS TCP custom register block requests, which read/write to a file inside the router, and can be used to extend MODBUS TCP Slave functionality

MODBUS TCP MASTER

• Supported functions 01, 02, 03, 04, 05, 06, 15, 16
• Supported data formats 8 bit: INT, UINT; 16 bit: INT, UINT (MSB or LSB first); 32 bit: float, INT, UINT (ABCD (big-endian), DCBA (little-endian), CDAB, BADC)
• Supported baud rates: From 300 – 3000000

MODBUS RTU MASTER (RS232)

• Supported functions 01, 02, 03, 04, 05, 06, 15, 16
• Supported data formats 8 bit: INT, UINT; 16 bit: INT, UINT (MSB or LSB first); 32 bit: float, INT, UINT (ABCD (big-endian), DCBA (little-endian), CDAB, BADC), HEX, ASCII
• Number of data bits From 7 to 8
• Number of stop bits 1 or 2
• Parity None, Even, Odd
• Flow None, RTS/CTS, Xon/Xoff
• Duplex Full duplex

MODBUS

• Supported baud rates From 300 to 3000000

MODBUS RTU MASTER (RS485)

• Supported functions 01, 02, 03, 04, 05, 06, 15, 16
• Supported data formats 8 bit: INT, UINT; 16 bit: INT, UINT (MSB or LSB first); 32 bit: float, INT, UINT (ABCD (big-endian), DCBA (little-endian), CDAB, BADC), HEX, ASCII
• Number of data bits 7 or 8
• Number of stop bits  1 or 2
• Parity None, Even, Odd
• Flow None, Xon/Xoff
• Duplex Half duplex

MODBUS DATA TO SERVER

• Protocol HTTP(S), MQTT, Azure MQTT

MQTT GATEWAY

• MQTT Gateway Allows sending commands and receiving data from MODBUS Master through MQTT broker DNP3
• Supported modes TCP Master, DNP3 Outstation, RTU Master

MONITORING & MANAGEMENT

• WEB UI HTTP/HTTPS, status, configuration, FW update, CLI, troubleshoot, event log, system log, kernel log
• FOTA Firmware update from server, automatic notification
• SSH  (v1, v2)
• SMS SMS status, SMS configuration, send/read SMS via HTTP POST/GET
• Call Reboot, Status, Mobile data on/off, Output on/off, answer/hang-up with a timer
• TR-069 OpenACS, EasyCwmp, ACSLite, tGem, LibreACS, GenieACS, FreeACS, LibCWMP, Friendly tech, AVSystem
• MQTT MQTT Broker, MQTT publisher
• SNMP SNMP (v1, v2, v3), SNMP Trap
• JSON-RPC Management API over HTTP/HTTPS
• MODBUS MODBUS TCP status/control
• RMS  Teltonika Remote Management System (RMS)

IOT PLATFORMS

• Cloud of Things  Allows monitoring of: Device data, Mobile data, Network info, Availability
• ThingWorx  Allows monitoring of: WAN Type, WAN IP, Mobile Operator Name, Mobile Signal Strength, Mobile Network Type
• Cumulocity  Allows monitoring of: Device Model, Revision and Serial Number, WAN Type and IP, Mobile Cell ID, ICCID, IMEI, Connection Type, Operator, Signal Strength
• Azure IoT Hub  Can send device IP, Number of bytes send/received, Temperature, PIN count to Azure IoT Hub server, Mobile connection state, Network link state, IMEI, ICCID, Model, Manufacturer, Serial, Revision, IMSI, SIM State, PIN state, GSM signal, WCDMA RSCP, WCDMA EC/IO, LTE RSRP, LTE SINR, LTE RSRQ, CELL ID, Operator, Operator number, Connection type

SYSTEM CHARACTERISTICS

• CPU Atheros Wasp, MIPS 74Kc, 550 MHz
• RAM 64 MB, DDR2
• FLASH storage 16 MB, SPI Flash

FIRMWARE / CONFIGURATION

• WEB UI Update FW from file, check FW on server, configuration profiles, configuration backup, restore point
• FOTA Update FW
• RMS Update FW/configuration for multiple devices at once
• Keep settings Update FW without losing current configuration

FIRMWARE CUSTOMIZATION

• Operating system RutOS (OpenWrt based Linux OS)
• Supported languages Busybox shell, Lua, C, C++
• Development tools SDK package with build environment provided

LOCATION TRACKING

• GNSS GPS, GLONASS, BeiDou, Galileo and QZSS
• Coordinates GNSS coordinates via WebUI, SMS, TAVL, RMS
• NMEA  NMEA 0183
• NTRIP protocol (Networked Transport of RTCM via Internet Protocol)
• Server software Supported server software TAVL, RMS
• Geofencing Configurable multiple geofence zones

SERIAL

• RS232 Terminal block connector: TX, RX, RTS, CTS
• RS485 Terminal block connector: D+, D-, R+, R- (2 or 4 wire interface)
• Serial functions Console, Serial over IP, Modem, MODBUS gateway, NTRIP Client

INPUT / OUTPUT

• Input 3 x Digital Input, 0 – 6 V detected as logic low, 8 – 30 V detected as logic high. 1 x Analog input (0 – 30 V)
• Output 3 x Digital Output, Open collector output, max output 30 V, 300 mA
• Events Email, RMS, SMS
• I/O juggler Allows to set certain I/O conditions to initiate event

POWER

• Connector  2 pins in 16 pin industrial terminal block
• Input voltage range  9 – 30 VDC, reverse polarity protection, surge protection +/-1 kV 50 µs max
• PoE (passive)  Passive PoE over spare pairs. Possibility to power up through LAN port, not compatible with IEEE802.3af, 802.3at and 802.3bt standards
• Power consumption  Idle: < 1.2 W, Max: < 5 W

PHYSICAL INTERFACES (PORTS, LEDS, BUTTONS, SIM)

• Ethernet  1 x RJ45 port, 10/100 Mbps
• I/O’s  3 x Configurable I/O, 1 x Analog input in 16 pin terminal block
• Status LEDs  3 x connection status LEDs, 3 x connection strength LEDs, 1 x power LED, 1 x Eth port status LED
• SIM  2 x SIM slots (Mini SIM – 2FF), 1.8 V/3 V, external SIM holders, eSIM (Optional)
• Power  1 x 4 pin power connector, 2 pins in 16 pin terminal block
• Antennas 1 x SMA connector for LTE, 1 x SMA connector for GNSS
• RS232  4 pins in 16 pin terminal block (TX, RX, RTS, CTS)
• RS485 1 x 6-pin terminal block for 2-wire or 4-wire interface
• Reset Reboot/User default reset/Factory reset button

PHYSICAL SPECIFICATION

• Casing material  Aluminum housing
• Dimensions (W x H x D) 110 x 50 x 100 mm
• Weight 165 g
• Mounting options  DIN rail (can be mounted on two sides), flat surface placement

OPERATING ENVIRONMENT

• Operating temperature  -40 °C to 75 °C
• Operating humidity  10% to 90% non-condensing
• Ingress Protection Rating IP30