The R2120 is a specialized industrial cellular PoE router designed for smart security applications. It is equipped with five Ethernet ports, including four PoE-PSE ports, along with two digital inputs, two digital outputs, and an RS-485 serial port, making it ideal for meeting the unique demands of modern security systems.
The R2120 is a specialized industrial cellular PoE router designed for smart security applications. It is equipped with five Ethernet ports, including four PoE-PSE ports, along with two digital inputs, two digital outputs, and an RS-485 serial port, making it ideal for meeting the unique demands of modern security systems.
Enhanced PoE-PSE Functionality: The R2120 features four PoE-PSE ports compliant with the 802.3af and 802.3at standards, enabling seamless power and data transmission through a single Ethernet cable, which simplifies field installation.
Remote PoE Device Management: In addition to standard PoE-PSE functions, the R2120 supports advanced remote management capabilities. Users can conveniently schedule restarts or power cycles for PoE devices as needed, enhancing operational control and efficiency.
Key Features
| Hardware System | |
| CPU | MT7621, 880 MHz |
| RAM | 512 MB |
| Flash | 32 MB |
| Cellular Interface | |
| Number of antennas | 2 (MAIN + DIV) |
| Connector | SMA-K |
| SIM | 2 x Mini SIM (2FF) |
| Ethernet Port | |
| Number of ports | 5 x 10/100/1000 Mbps, 1 x WAN + 4 x LAN, or 5 x LAN (default) |
| Magnet isolation protection | 1 KV |
| PoE Out Port | |
| PoE ports | ETH1~ETH4 |
| PoE standards | 802.3at, 802.3af |
| PoE max power per port (at PSE) | Up to 30 W |
| Total PoE power budget (at PSE) | Dependent on power supply capacity |
| Serial Port | |
| Number of ports | 1 x RS-485 |
| Connector | 1 x 3-pin 3.5 mm female socket |
| ESD protection | ± 8 KV air discharge, ± 4 KV contact discharge |
| Baud rate | 300 bps to 115200 bps |
| Signal definition | RS-485: A, B, GND |
| Digital Input/Output Port | |
| Number of ports | 2 x DI + 2 x DO, wet contact |
| Connector | 2, each with 4-pin 3.5 mm female sockets |
| Isolation | 3.75 KV DC (opto-isolator) |
| Absolute maximum VDC | +30V DC (DI), +30V DC (DO) |
| Absolute maximum ADC | 100 mA (DO) |
| Singal definition | DI1+, DI1-, DI2+, DI2-, DO1+, DO1-, DO2+, DO2- |
| WiFi Interface | |
| Number of antennas | 2 (Wi-Fi0 + Wi-Fi1) |
| Connector | RP-SMA-K |
| Standards | 802.11 a/b/g/n/ac, 2 x 2 MIMO, supporting AP and Client modes |
| Frequency bands | 2.412 ~ 2.472 GHz (2.4 GHz ISM band)
5.15 ~ 5.825 GHz (5 GHz ISM band) |
| Security | WPA, WPA2, WEP, WPA3 |
| Encryption | AES, TKIP, WEP64 |
| Others | |
| Reset button | 1 x RST |
| LED indicators | 1 x RUN, 1 x RSSI, 1 x MDM, 1 x USR |
| Watchdog | Built-in |
| Software (Basic features of RobustOS) | |
| Network protocols | PPP, PPPoE, TCP, UDP, DHCP, ICMP, NAT, HTTP, HTTPs, DNS, NTP, SMTP, Telnet, ARP, VLAN, SSH2, DDNS, etc. |
| VPN tunnels | IPsec, OpenVPN, GRE, WireGuard |
| Firewalls | DMZ, anti-DDoS, Filtering (IP/Domain name/MAC address), Port Mapping, Access Control |
| Remote management | Web, CLI, SMS |
| Serial port protocols | Transparent, TCP Client/Server, UDP, Modbus RTU to TCP |
| Others | Smart Roaming V2 |
| SDK | |
| Supported programming languages | C, C++ |
| Flash available for SDK | 5 MB |
| RAM available for SDK | 256 MB |
| App Center (Available Apps for RobustOS) | |
| Apps* | L2TP, PPTP, DMVPN, VRRP, QoS, SNMP, Language, RCMS, Dynamic Route, Captive Portal, Modbus Master, TR069, Edge2Cloud |
| *Request on demand. For more Apps please visit www.robustel.com. | |
| Cloud Platform | |
| Robustel Cloud Manager Service (RCMS) | RobustLink, RobustVPN, Operation Console |
| Power Supply and Consumption | |
| Connector | 2-pin 3.5 mm female socket with lock |
| Input voltage | 44 ~ 57 V DC Reverse polarity protection, surge protection |
| Power consumption | Idle: 4.5 W@48 V, excluding the PoE consumption Data link: 12.0 W (Max) @48 V, excluding the PoE consumption |
| Recommended power supply | 48 V DC, 1.25 A (60 W) *Covers system power (12 W) + typical PoE loads* |
| Note:
1. Total power = System 12 W + ∑PoE loads |
|
| Physical Characteristics | |
| Ingress protection | IP30 |
| Housing & Weight | Aluminum, 539 g |
| Dimensions | 49 x 105 x 143 mm |
| Installations | Desktop, wall mounting and 35 mm DIN rail mounting |
| Operating temperature | -20 ~ +70 °C |
| Storage temperature | -40 ~ +85 °C |
| Relative humidity | 5 ~ 95% RH (non-condensing) |
| Regulatory and Type Approvals | |
| Evvironmental | RoHS2.0, WEEE |
| Testing | IEC 60068-2-6 (Sinusoidal Vibration) IEC 60068-2-27 (Mechanical Shock) IEC 60068-2-64 (Random Vibration) |
| EMI | EN 55032 Conducted Emission Class B EN 55032 Radiated Emission Class B |
| EMS | EN 61000-3-2 (Harmonic Current) EN 61000-3-3 (Voltage Flicker) EN 61000-4-2 (ESD) Contact Level 2, Air Level 3 EN 61000-4-3 (RS) Level 2 EN 61000-4-4 (EFT) Level 2 EN 61000-4-5 (Surge) Line to line Level 3 EN 61000-4-6 (CS) Level 2 |
RT150_HM_R2120_V1.0.0
RT150_2D_DWG_R2120_V1.0.0
*All Robustel Firmware and RobustOS Apps are now available to download from the App Centre section of RCMS Cloud.
If you don’t already have access to RCMS Cloud you can Sign Up freely.
*Please contact our Technical Support if you have any trouble finding the resources.
| Model | Order Code | Frequency Bands** | Country
/Region |
Certifications (*In Progress) |
Package Contains |
| R2120-A5AAA-4L-A12EU | A015000001 | 4G: LTE FDD:
B1/B3/B7/B8/B20/B28A |
EMEA+SEA | CE*, UKCA*, CB* | 1 x R2120 Router (B Code: B015000001) 1 x DIN Rail Mounting Kit |
| A015000004 | 1 x R2120 Router (B Code: B015000001) 1 x DIN Rail Mounting Kit 2 x Cellular Antenna 2 x Wi-Fi Antenna 1 x Power Adapter |
||||
| R2120-A5AAA-4L-A13AU | A015000002 | 4G: LTE FDD:
B1/B2/B3/B4/B5/B7/B8/B28 |
ANZ | RCM* | 1 x R2120 Router (B Code: B015000002) 1 x DIN Rail Mounting Kit |
| A015000005 | 1 x R2120 Router (B Code: B015000002) 1 x DIN Rail Mounting Kit 2 x Cellular Antenna 2 x Wi-Fi Antenna 1 x Power Adapter |
**For more information about frequency bands in different countries, please contact your Robustel sales representative.