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RocketLinx ® ES8508-XT

Products Discontinued
The RocketLinx ES8508-XT switch has been discontinued. The RocketLinx ES8508-XT product page will be maintained to provide product and support information.

Managed Industrial Ethernet switch, eight Fast Ethernet ports.

Part Number: 32010-4

Replacement Product

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Product Highlights

  • Eight 10/100BASE-TX ports
  • TACACS+ Support
  • Advanced Layer 2 features including: VLAN, Private VLAN,QinQ, GVRP, QoS, IGMP Snooping V1/V2/V3, rate control, port trunking, LACP, and online multiport mirroring
  • 32Gbps non-blocking, 8K MAC address table
  • RSTP, MSTP and redundant ring support with sub 5ms ring recovery
  • Management via Web, PortVision DX, SNMP, Telnet, and Serial Console
  • Hardware watchdog timer for system reset and recovery
  • Configurable multi-event alarm output
  • IP31 rated rugged aluminum housing with DIN rail mounting
  • Dual 10-60VDC redundant power inputs (positive or negative)
  • Wide operating temperature (-40° to 75°C)
  • IPv6 support
  • NEMA TS2 Certified
  • EN50121-4 EMC and IEC 61373 vibration standards for railway applications


The RocketLinx ES8508-XT is an industrial-grade managed 8-port Fast Ethernet switch featuring advanced Layer 2 management, security, and system reliability for deployment in extreme and mission critical networking applications.

The ES8508-XT design incorporates the latest managed switch technologies to ensure reliable, high-bandwidth data communications including a 32Gbps switch fabric for real-time non-blocking data transmission, redundant network topology supporting ring, RSTP and MSTP, and a high performance ARM9 processor with an embedded hardware watchdog timer. These features combined with a rugged IP-31 grade housing and extended operating temperature guarantee performance and stability for traffic, rail, and other demanding applications.

  • RocketLinx ES8508-XT switch
  • Console port cable
  • Quick installation guide
  • Network Interface 10/100BASE-TX
  • Connector Type RJ45
  • Enclosure IP31 Grade Aluminum Metal Case
    Drop-Waterproof and Dustproof
  • Installation Method DIN rail
  • LED Indicators Power 1, Power 2, System Status Ring, Digital Input, Digital Output RJ45 Link/Activity
  • Digital Input (DI) One DI, 4-Pin Screw Terminal Block
  • Digital Output (DO) One DO (Dry Relay Output), 4-Pin Screw Terminal Block
  • Serial Console Port One RJ45 RS-232 (TXD, RXD, Signal GND), Baud Rate: 9600bps, Data Bits: 8, Parity: None, Stop Bits: 1, Flow Control: None
  • Dimensions2.17" x 5.87" x 5.17"
    550 x 149 x 131 mm
  • Product Weight1.95 lbs
    .885 kg

Ethernet Specification

  • Number of Ports8
  • RJ45 (Standard) 10/100BASE-TX, Auto MDI/MDIX, Auto-Negotiation (Speed/Duplex Mode)
  • Cable Types Cat 3, Cat 4, Cat 5, Cat 5e (UTP or STP)
  • Link Distances 100 Meters
  • Port Alarm Relay Yes
  • Standards IEEE802.1AB: Link Layer Discovery Protocol (LLDP)
    IEEE802.1D-2004: Rapid Spanning Tree Protocol (RSTP)
    IEEE802.1p: Class of Service
    IEEE802.1Q VLAN Tagging and GVRP
    IEEE802.1s: Multiple Spanning Tree Protocol (MSTP)
    IEEE802.1x: Port Based Network Access Control
    IEEE802.3ad: Link Aggregation Control Protocol (LACP)
    IEEE802.3x: Flow Control and Back-Pressure
    IEEE1588: Precision Time Protocol (PTP)
  • Internet Protocol IPv4 and IPv6

Management Features

  • Configuration NetVision
    Out-Band Management: Console Port with Command Line Interface (CLI) - Similar to Cisco CLI, In-Band
    Management: Web Interface (HTTP/HTTPS) or a Telnet/SSH Console with CLI
  • Embedded Watchdog Embedded Hardware Watchdog Timer Automatically Resets System if Switch System Failure Occurs
  • System Upgrade/Backup Provides TFTP/Web Interface for Firmware Upgrade and Configuration Backup/Restore
  • SNMP V1, V2c, V3 with SNMP Trap Function, Up to Four Trap Stations
  • SNMP MIB MIB-II, Bridge MIB, VLAN MIB, IGMP MIB, Ethernet-like MIB, Comtrol Private MIB, and RMON
  • Email Warning Automatic Warning, Up to Four Accounts by Pre-Defined Events
  • System Log Supports Both Local Mode and Server Mode
  • DHCP DHCP Client, DHCP Server with IP and MAC Address Binding and DHCP Agent (Option 82)

Network Performance

  • Back-Pressure IEEE 802.3x 10/100Mbps half-duplex only
  • Class of Service (CoS) IEEE 802.1p 4 priority queues/port
  • Flow Control Pause Frame IEEE 802.3x 10/100Mbps full-duplex
  • IGMP Snooping V1/V2 /V3 for multicast filtering and IGMP query V1/V2; supports unknown multicasting, processes forwarding policies: drop, flooding and forward to router port, 256 IGMP multicast groups
  • IP Security Assign authorized IP addresses to specific port, 10 max/port
  • Time Synchronization Supports IEEE 1588 (precision time protocol), NTP protocol with daylight saving function, and localized time sync function
  • Port Configuration Port link speed, link mode, port status, enable/disable
  • Port Mirroring Online traffic monitoring on multiple selected ports
  • Port Security Assign authorized MAC addresses to specific port, 10 max/port
  • Port Trunk IEEE 802.3ad LACP with timer and static port trunk; trunk member up to 4 ports and maximum 4 trunk groups
  • Port-Based Network Access Control IEEE 802.1X with RADIUS control, supports user authenticate by the RADIUS account, password and key for RADIUS server authentication, TACACS+
  • Private VLAN Direct client ports in isolated/community VLAN to promiscuous port in primary VLAN
  • Rate Control Ingress filtering for broadcast, multicast, unknown DA or all packets. Egress filtering for all packet types
  • Switch Technology 32Gbps switch fabric, store/forward switch technology, 8K MAC address
  • System Throughput 26 mega packets/second, 64 byte packet Size,
    14,880pps (10Mbps); 148,800pps (100Mbps)
  • Transfer Packet Size 64 bytes to 1522 bytes (includes 1522 bytes VLAN tag)
  • Packet Buffer 1MBits shared memory
  • Traffic Prioritization (QoS) Supports 4 physical queues, weighted round robin queuing (WRR 8:4:2:1) and strict priority scheme, which follows 802.1p COS tag and IPv4 ToS/ diffserv information to prioritize industrial network traffic
  • VLAN IEEE 802.1Q tag VLAN with 256 (max) VLAN entries and 2K GVRP entries; 3 VLAN link modes: trunk, hybrid, and link access
  • Modbus TCP/IP Supports Modbus TCP/IP Communications with Function Code 4 for Factory Automation through the CLI, Operates as Slave/Server Device, While a Typical Master/Client Device is a Host Computer Running Appropriate Through Ethernet, Thus the Modbus TCP/IP Master Can Read or Write to the Modbus Registers Provided by the Modbus TCP/IP. Application Software (SCADA / HMI System)

Network Redundancy

  • Rapid Spanning Tree Protocol (RSTP) IEEE 802.1D-2004 rapid spanning tree protocol (RSTP)
    compatible with legacy STP and IEEE 802.1w
  • Multiple Spanning Tree IEEE 802.1s MSTP, each MSTP instance can include one or more VLANs
    and supports multiple RSTP deployed in a VLAN or multiple VLANs
  • Redundant Ring TechnologyFailure recovery within 5ms
    Rapid dual homing: multiple uplink paths to upper switches
    Ring trunking: integrates port aggregate function in ring path to get higher throughput ring architecture
    Multiple Ring: couple or multiples of up to 16 rapid super rings, supports up to 4 fast ethernet rings/switch
Electrical Specifications
  • Device
    • DC Input Voltage
      (Positive or Negative)
      10 to 60VDC
    • Current Consumption +24VDC @ 625mA
    • Power Consumption (Max.) 15W
  • Number of Power Connectors 1
  • Power Connector Type 4-Pin screw terminal block
  • Power Input Redundancy Dual redundant inputs
  • Reverse Polarity Protection Yes
  • Digital Input 1 with photo optical isolation
    • Logic Low (0) 0 to 10VDC
    • Logic High (1) 11 to 30VDC
  • Digital Output (Relay Output) 1
    • DC Input Voltage 24VDC
    • Current Consumption (24VDC) 1A maximum
    • Multi-Event Relay Feature Power, Port Link, DI/Ring Status Change, Ping Reset, or Perform Routing Relay On/Off Function
Environmental Specifications
  • Air Temperature
    • System On -40° to 75° C
    • System Off -40° to 85° C
  • Operating Humidity (Non-Condensing) 5% to 95%
  • MTBF (Mean Time Between Failures) 79.98 Years
Export Information
  • Packaged Shipping Weight2.73lbs
  • Package Dimensions9 13⁄16" x 8 5⁄16" x 4 1⁄8"
    24.9cm x 21.1cm x 10.5cm
  • UPC Code 7-56727-32030-2
  • ECCN 5A992
  • Schedule B Number 8517.62.0050
Regulatory Approvals
  • Emissions Canadian EMC Requirements
    European Standard EN55022
    CISPR 22
    FCC Part 15 Subpart B
    Class A limit
    Heavy Industrial
    IEC 1000-6-4/EN61000-4-9: Pulse Magnetic Field
  • Immunity Heavy Industrial IEC/EN 61000-6-2:
    IEC 1000-4-2/EN61000-4-2: ESD
    IEC 1000-4-3/EN61000-4-3: RF
    IEC 1000-4-4/EN61000-4-4: Fast Transient/Burst
    IEC 1000-4-5/EN61000-4-5: Surge
    IEC 1000-4-6/EN61000-4-6: Conducted Disturbance
    IEC 1000-4-8/EN61000-4-8: Magnetic Field
  • Railway EMC EN 50121-4: Signaling and Telecommunications Apparatus
    EN 50121-1: Rolling Stock. Train and Complete Vehicle
  • Hi-Pot AC 1.5KV for All Ports and Power
  • Other NEMA TS2 Certified Railway Vibration/Shock:
    IEC 61373
    Free Fall with Package:
    IEC 60068-2-32
  • Regulatory Approvals

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Pre-Sales Questions

Pepperl+Fuchs Comtrol's Pre-sales Team
For sales questions or to locate a reseller near you.

Fax: +1.330.405.4710
[email protected]

Pepperl+Fuchs Comtrol's Industrial Automation Sales
For sales questions or to locate an industrial distributor near you.

Fax: +1.330.405.4710
[email protected]

DocumentDescriptionDownload File
RocketLinx ® ES8508-XT Quick Install GuideQuick guide to installation and configuration information.
Product Support and Service Information

Part Number: 32010-4

Sales Support

Call +1.330.486.0001, or e-mail [email protected]

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Pepperl+Fuchs Comtrol offers a 30-Day satisfaction guarantee and a 5-year limited warranty on all RocketLinx products! View Warranty

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Quick Install Guide