RuggedCom RS910 User Manual

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RuggedServerTM RS910

2-Port Serial Device Server with up to 3 Ports Managed Ethernet Switch

The RuggedServer™ RS910 is an industrially hardened serial device server with an integrated, fully managed, Ethernet switch, designed to operate reliably in electrically harsh and climatically demanding environments. The RS910 can be configured with 2 serial ports (RS485/RS422/RS232) and/or up to 3 Ethernet ports (copper of fiber). The RS910 is able to interconnect multiple types of intelligent electronic devices (IEDs) that have different methods of communications. Using the RS910 results in fewer connectivity devices (which reduces overall system costs) and also extends the useful life of existing legacy IEDs (which minimizes capital expenditure for new equipment).

The RS910 provides a high level of immunity to electromagnetic interference and heavy electrical surges typical of environments found in electric utility substations, factory floors or in curb side traffic control cabinets. The RS910 meets or exceeds a wide range of industry standards including IEC 61850, IEEE 1613, IEC 61000-6-2, IEC 61800-3, and NEMA TS-2. The RS910 also features a wide operating temperature range of -40°C to +85°C allowing it to be installed in virtually any location.

The embedded Rugged Operating System (ROS™) within the RS910 provides advanced layer 2 and layer 3 networking functions, advanced cyber security features, and a full array of intelligent functionality for high network availability and manageability. Coupled with the ruggedized hardware design, the RS910 is ideal for creating mission-critical, real-time, control applications in any harsh environment.

The RS910 is also backed by RuggedCom's all inclusive five year warranty and unsurpassed technical support.

Features and Benefits

Serial Device Server

Transmit serial data over an IP network

2 Serial Port Interfaces

RS485/RS422/RS232 (DB9 or RJ45 connectors).

Serial Fiber Interface (ST) option

Support for Modbus TCP, DNP 3, TIN serial protocols

Baud rates up to 230 kbps

Raw socket mode allows conversion of any serial protocol

Point-to-point and multi-point modes

Converts Modbus RTU to Modbus; Multiple Modbus masters

Converts DNP3.0 to DNP over UDP/TCP

Ethernet Ports

Integrated fully managed Ethernet Switch

Up to 3 Fast Ethernet Ports (copper and/or fiber)

Supports many types of fiber (Multimode, Singlemode)

Multiple connector types (ST, MTRJ, LC, SC)

Cyber Security

Multi-level user passwords

SSH/SSL encryption

Enable/disable ports, MAC based port security

Port based network access control (802.1x)

VLAN (802.1q ) to segregate and secure network traffic

Radius centralized password management

SNMPv3 encrypted authentication and access security

RuggedRated™ for Reliability in Harsh Environments

.Immunity to EMI and heavy electrical surges

Meets IEEE 1613 (electric utility substations)

Exceeds IEC 61850-3 (electric utility substations)

Exceeds IEC 61800-3 (variable speed drive systems)

Exceeds IEC 61000-6-2 (generic industrial)

Exceeds NEMA TS-2 (traffic control equipment)

.-40°C to +85°C operating temperature

.no fans or moving parts for improved reliability.20 AWG galvanized steel enclosure

.DIN or panel mounting options

Rugged Operating System (ROSTM) Features

Simple plug and play operation - automatic learning, negotiation, and crossover detection

RSTP (802.1D-2004) and Enhanced Rapid Spanning Tree (eRSTP™) network fault recovery (<5ms)

Quality of Service (802.1p) for real-time traffic

VLAN (802.1q) with double tagging and GVRP support

Link aggregation (802.3ad)

IGMP Snooping for multicast filtering

Port Rate Limiting and Broadcast Storm Limiting

Port configuration, status, statistics, mirroring, security

Loss of link management on fiber ports

SNTP time synchronization (client and server)

Universal Power Supply Options

.Fully integrated power supply

.Universal high-voltage range: 88-300VDC or 85-264VAC.Dual low-voltage DC inputs: 24VDC (9-36VDC)

or 48VDC (36-72VDC)

.Terminal blocks for reliable maintenance free connections

.CSA/UL 60950 safety approved to +85°C

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RuggedCom RS910 User Manual

Fast Ethernet Ports:

Up to 3 Fast Ethernet Ports

10/100BaseTX or 100BaseFX

Multiple fiber connector types

Rugged Construction:

20 AWG. galvanized steel enclosure

Conformal coating

(optional)

Integrated Power Supply

Universal high-voltage range: 88-300VDC or 85 - 264VAC

Popular low voltage DC ranges: 24VDC (9-36VDC), 48VDC (36-59VDC)

Dual Isolated DC power inputs

RuggedServerTM RS910

2-Port Serial Device Server with up to 3 Ports Managed Ethernet Switch

RuggedServer™ RS910

Operating Temperature

-40oC to +85oC

No Fans

Serial Ports:

2 RS485/RS422/RS232

DB9 or RJ45

Up to 230kbp

Serial Fiber Interface Option

Critical Alarm Relay

Form-C failsafe contact relay: 1A@30VDC

Hazardous Location

Certification

Class1, Division2

Mounting Options

Din Rail

Panel Mount

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RuggedServerTM RS910

2-Port Serial Device Server with up to 3 Ports Managed Ethernet Switch

Serial IP Encapsulation

Many 'legacy' devices (RTU, PLC, IED, etc.) only support serial communications via RS232, RS422 or RS485. ROS™ encapsulates the serial data within a TCP connection allowing these devices to be reached via an IP network. A wide range of baud rates, frame packetization options, and diagnostics allows any serial protocol to function. The RS416 has specific support for the following serial protocols:

Raw Socket serial encapsulation

Modbus TCP (client and server)

DNP 3

WIN and TIN

Microlok

MODBUS TCP

The Modbus protocol is ubiquitous in the industrial control and automation world. ROS converts Modbus RTU master/slave serial data packets to Modbus TCP client/server packets for transmission over an IP network. This allows communications to Modbus RTU slaves via Ethernet and allows multiple masters to poll the same slave device.

Cyber Security

Cyber security is an urgent issue in many industries where advanced automation and communications networks play a crucial role in mission critical applications and where high

reliability is of paramount importance. Key ROS™ features that address security issues at the local area network level include:

Passwords - Multi-level user passwords secures switch against unauthorized configuration

SSH / SSL - Extends capability of password protection to add encryption of passwords and data as they cross

the network

Enable / Disable Ports - Capability to disable ports so that traffic can not pass

802.1q VLAN - Provides the ability to logically segregate traffic between predefined ports on switches

MAC Based Port Security - The ability to secure ports on a switch so only specific Devices / MAC addresses can communicate via that port

802.1x Port Based Network Access Control - The ability to lock down ports on a switch so that only authorized clients can communicate via this port

Radius - Provides centralized password management

SNMPv3 - encrypted authentication and access security

The ROS™ cyber security features are included to help address the various industry specific security standards such as NERC CIP, ISA S99, AGA 12, IEC 62443, ISO 17799:2005 and PCSRF SPP-ICS.

Enhanced Rapid Spanning Tree Protocol (eRSTP™)

RuggedCom eRSTP allows the creation of fault-tolerant ring and mesh Ethernet networks that incorporate redundant links

ROSTM Features

that are 'pruned' to prevent loops. eRSTP yields worst-case fault recovery1 of 5ms times the 'bridge diameter' and allows rings of up to 80 switches. For example, a ring of ten switches will have fault recovery times under 50ms. eRSTP implements both STP and RSTP to ensure interoperability with commercial switches unlike other proprietary 'ring' solutions.

Quality of Service (IEEE 802.1p)

Some networking applications such as real-time control or VoIP (voice over IP) require predictable arrival times for Ethernet frames. Switches can introduce latency in times

of heavy network traffic due to the internal queues that buffer frames and then transmit on a first come first serve basis. ROS™ supports 'Class of Service' in accordance with IEEE 802.1p that allows time critical traffic to jump ahead to the front of the queue thus minimizing latency and reducing jitter to allow such demanding applications to operate correctly. ROS™ allows priority classification by port, tags, MAC address, and IP type of service (TOS).

A configurable "weighted fair queuing" algorithm controls how frames are emptied from the queues.

VLAN (IEEE 802.1q)

Virtual local area networks (VLAN) allow the segregation of a physical network into separate logical networks with independent broadcast domains. A measure of security is provided since hosts can only access other hosts on the

same VLAN and traffic storms are isolated. ROS™ supports 802.1q tagged Ethernet frames and VLAN trunks. Port based classification allows legacy devices to be assigned to the correct VLAN. GVRP support is also provided to simplify the configuration of the switches on the VLAN.

Link Aggregation (802.3ad)

The link aggregation feature provides the ability to aggregate several Ethernet ports into one logical link (port trunk) with higher bandwidth. This provides an inexpensive way to set up a high speed backbone to improve network bandwidth. This feature is also known as "port trunking", "port bundling", "port teaming", and "ethernet trunk".

IGMP Snooping

ROS uses IGMP snooping (Internet Group Management Protocol v1&v2) to intelligently forward or filter multicast traffic streams (e.g. MPEG video) to or from hosts on the network. This reduces the load on network trunks and prevents packets from being received on hosts that are not involved. ROS™ has a very powerful implementation of

IGMP snooping that:

1 eRSTP fault recovery times may be approximated as follows: For 100 Mbps, fault recovery performance is <5ms/hop

For 1,000 Mbps, fault recovery performance is <5ms/hop + 20ms

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