PT-7728

IEC 61850-3 24+4G-port Layer 2 Gigabit modular managed rackmount Ethernet switches

Features and Benefits

  • IEC 61850-3, IEEE 1613 (power substations), and EN 50121-4 (railway applications) compliant
  • IEC 62439-3 Clause 4 (PRP) and Clause 5 (HSR) compliant
  • Built-in MMS server based on IEC 61850-90-4 switch data modeling for power SCADA
  • Complies with a portion of EN 50155 specifications
  • Turbo Ring and Turbo Chain (recovery time < 20 ms @ 250 switches), RSTP/STP, and MSTP for network redundancy
  • VLAN Unaware: Supports priority-tagged frames to be received by specific IEDs
  • Up to 12 ports with M12 connectors
  • Isolated redundant power inputs with universal 24 VDC, 48 VDC, or 110/220 VDC/VAC power supply range
  • -40 to 85°C operating temperature range

Certifications

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Description

Introduction

The PT-7728 is designed to meet the demands of power substation automation systems (IEC 61850-3, IEEE 1613), and railway applications (EN 50121-4), and also features critical packet prioritization (GOOSE and SMVs) and a built-in MMS server. The PT-7728’s Gigabit and Fast Ethernet backbone, redundant ring, and 24 VDC, 48 VDC, or 110/220 VDC/VAC dual isolated redundant power supplies increase the reliability of your communications and save on cabling/wiring costs. The modular design of the PT-7728 also makes network planning easy, and allows greater flexibility by letting you install up to 4 Gigabit ports and 24 Fast Ethernet ports. Along with the optional front or rear wiring, these features together make the PT-7728 suitable for a variety of industrial applications.

Additional Features and Benefits

  • Switch data modeling based on the IEC 61850-90-4 standard

  • IEEE 1588v2 PTP (Precision Time Protocol) for time synchronization of networks (PTP models only)

  • VLAN Unaware: Supports priority-tagged frames to be received by specific IEDs

  • DHCP Option 82 for IP address assignment with different policies

  • EtherNet/IP and Modbus TCP industrial Ethernet protocols supported

  • Line-swap fast recovery

  • Configurable by web browser, Telnet/serial console, CLI, Windows utility, and ABC-01 automatic backup configurator

  • IGMP snooping and GMRP for filtering multicast traffic from industrial Ethernet protocols

  • Supports advanced VLAN capability with Q-in-Q tagging

  • IEEE 802.3ad, LACP for optimum bandwidth utilization

  • Bandwidth management to prevent unpredictable network status

  • Multi-port mirroring for online debugging

  • Automatic warning by exception through email and relay output

  • RMON for proactive and efficient network monitoring

  • Automatic recovery of connected device’s IP addresses

Cybersecurity Features

  • User passwords with multiple levels of security protect against unauthorized configuration

  • SSH/HTTPS is used to encrypt passwords and data

  • Lock switch ports with 802.1X port-based network access control so that only authorized clients can access the port

  • RADIUS/TACACS+ allows you to manage passwords from a central location

  • 802.1Q VLAN allows you to logically partition traffic transmitted between selected switch ports

  • Secure switch ports so that only specific devices and/or MAC addresses can access the ports

  • Disable one or more ports to block network traffic

  • SNMPv3 provides encrypted authentication and access security

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