• Ethernet Failover Switch

VCL-Safecomm-E, 1+1 Automatic Ethernet Link Protection / Ethernet Failover Switch

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Product Overview

VCL-SafeComm-E is a family of Ethernet Link Protection Switches that provide 1+1 Automatic Ethernet Failover Protection between an "active" and "standby" equipment or IP networks. VCL-SafeComm-E is available in 2 variants.

VCL-SafeComm-F, which provides 1+1 Automatic Ethernet Failover Protection between two (Main and Standby) RTUs, Servers, Routers, Switches. The VCL-SafeComm-F can be used to provide equipment redundancy for applications which require 99.99% up-time. The VCL-SafeComm-F automatic fail-over protection automatically switches to the "standby" equipment in the event of failure of the "primary" equipment to ensure that the 99.99% up-time requirements are always being met. In the event of failure of the "primary / working" equipment, the VCL-SafeComm-F, Ethernet Failover Switch shall automatically switch and reroute all Cables to "secondary"/"standby" equipment. This ensures that downtime that would have otherwise occurred upon the failure of the "primary" equipment without automatic Ethernet failover capability, never occurs.

VCL-SafeComm-F, Ethernet Failover Switch - Application Diagram

VCL-SafeComm-N, which provides 1+1 Automatic Ethernet Failover Protection between 2, IP Networks. The VCL-SafeComm-N can be used to provide link protection between IP networks across diverse domains such as fiber-radio; or fiber-satellite; or fiber-PSDN (Public Switched Data Network) to provide automatic fail-over protection to the "standby" network in the event of failure of the "primary" network.

VCL-SafeComm-N, Ethernet Network Protection Switch shall automatically switch and reroute all Ethernet traffic to "secondary"/"standby" IP network in the event of the failure of the "active" / "primary" network. This ensures minimum network downtime, which otherwise would have occurred upon the failure of the "primary" network.

VCL-SafeComm-N, Ethernet Network Protection Switch - Application Diagram

Ethernet Link Protection Switch

Ethernet Link Protection Switch - Data Sheet

Ethernet Link Protection Switch - Presentation

Features and Highlights

  • Fail-Safe. Never becomes a point of failure. Automatically reverts to and reconnects the "primary link" / "primary equipment" even in a power down condition.
  • User configurable link test parameters.
  • User configurable switching parameters.
  • Built-in real-time clock / real-time logging maintains a history of all events.
  • Serial Management Interface (USB) for local access.
  • SNMP Management and Monitoring.
  • Remote access over TCP-IP networks. Allows the user to access and carry out maintenance, or / and switch the links remotely, if required.
  • Password Controlled Access. Maintains a complete log of all logins.
  • Script Assisted Switching. Automatically initiates switching upon the receipt of the scripted message such as an SNMP Trap.
  • Switching initiated through external triggers such as "Dry Contact Alarm Relays".
  • Manual Switching through front-panel buttons with front-panel button locking facility to prevent accidental switching.

Applications

  • Disaster Recovery. To provide automatic failover protection in mission critical applications requiring minimum downtime.
  • To switch between and automatically re-route IP traffic to the "standby" network / equipment upon the failure of the "primary" transmission network / equipment.
  • VCL-SafeComm-N may be used to provide automatic fail-over protection and switching across diverse IP domains such as fiber-radio; or fiber-satellite; or fiber-PSDN (public switched data network).
  • Automatic Link Test Feature. Continuously Tests both "active" and "standby" IP links simultaneously for "end-¬to-end" network availability.
  • Alerts the user upon the failure of any one of the two "active"/"primary", or "secondary"/"standby" IP transmission network.
  • Enhances availability and reliability.
  • Eliminates network downtime by automatically / seamlessly switch to the "backup" / "standby" equipment / network in the event of the complete and total failure of the primary/ active equipment / IP network.
  • May also be used in combination with VCL-Enigmatron Firewall to provide firewall redundancy, enhanced security and resilience to hostile such as "DoS" (Denial of Service) and "Hack" attacks.

Technical Specifications

Specifications:

Number of Ethernet 3
Interfaces One Ethernet Interface: Network A
One Ethernet Interface: Network B
One Ethernet Interface User
Maximum Data Throughput 100Mbps
Interface Type 10/100BaseT
Conformity IEEE-802.3

Management and Control Ports

  • Serial Management Port - RS232 COM Port and USB Port
  • 10/100 BaseT for remote management

AC Power Supply Specifications:

Range of input AC 100V~240V AC, 50Hz / 60Hz. Voltage

48VDC Power Supply Specifications:

Input DC voltage - Dual Input - 48V DC (nominal)
Range of input voltage -18V to -72V DC
Input voltage reversal Protection Provided in the Card
Short circuit protection Provided

110VDC~220VDC Power Supply Specifications:

Input DC voltage - Dual Input 110V DC or 220V DC (nominal)
Range of input voltage 85V DC to 290V DC
Input voltage reversal Protection Provided in the Card
Short circuit protection Provided

Power Supply Options:

  • AC or DC
  • Dual Redundant
    • 1+1 AC power (100 to 240V AC, 50/60 Hz)
    • 1+1 DC 24V
    • 1+1 DC -48V
    • 1+1 DC 110~220V

Power Consumption:

  • < 10W at ambient (steady state 24°C)

Security and Protection:

  • Password Protection with password strength monitor
  • SSH

Environmental (Equipment):

Operational: -10C to +65C (Typical: +25C)
Cold start 0C to +50C
Storage -20C to +70C
Humidity 95% non-condensing
Cooling Convention Cooled. No cooling fans are required.

MTBF:

  • Per MIL-HDBK-217F: ≥ 37 years @ 24C
  • Per Telcordia SSR 332, Issue 1: ≥ 42 years @ 24C

Compliance:

  • EMC FCC Part 15 Class 2
  • Operation ETS 300 019 Class 3.2
  • Storage ETS 300 019 Class 1.2
  • Transportation ETS 300 019 Class

Application Diagrams

Application Diagram 1

VCL-SafeComm-N providing 1+1 Network Protection (Ordering Part#: VCL-2478-SafeComm-Eth-N)

  • Provides 1+1 Network Protection
  • Failsafe: Never becomes a point of failure. Automatically reverts to the primary link even in power down condition
  • Fast automatic network switching upon network failure. Eliminates Network Downtime.
  • Completely eliminates re-routing of Ethernet cables. Ethernet cables are automatically moved to the available network port.
  • Essential for Offices, Banks, ATMs, Industrial Installations requiring minimum service interruption due to network outage.
  • Disaster Recovery.

Automatic Network Protection / Switching Solution

VCL-SafeComm-N providing 1+1 Network Protection




To provide 1+1 Network Protection : Explained

Application #1 (a)

Ethernet Link is connected to Network A

Ethernet Link is connected to Network A



Application #1 (b)

Network A Fails. Ethernet Link automatically switches to Network B

Network A Fails. Ethernet Link automatically switches to Network B



Application #1 (c)

Network A recovers - Ethernet Link automatically switches and reconnected to Network A

Network A recovers - Ethernet Link automatically switches and reconnected to Network A



Application Diagram 2

Automatic Ethernet Equipment Failover Switch (Ordering Part#: VCL-2478-SafeComm-Eth-F)

  • Provides 1+1 Equipment Protection
  • Failsafe: Never becomes a point of failure. Automatically reverts to the primary link even in power down condition.
  • Fast automatic switching to standby equipment upon the failure of primary equipment. Ensures that the 99.99% availability requirements are always met for mission critical applications.
  • Completely eliminates re-routing of Ethernet cables. Ethernet cables are automatically moved to the available (working) equipment.
  • Essential for Air-Traffic Control, Railway and Metro Signaling Networks, Sub-Stations, Oil and Gas pipelines and Industrial Installations requiring minimum service interruption due to equipment failure.
  • Disaster Recovery.

To provide 1+1 Equipment Failover Protection – Explained

Application #2 (a)

Ethernet link is connected to RTU-1 / Server-1

Ethernet link is connected to RTU-1 / Server-1



Application #2 (b)

Equipment 1 fails. Ethernet link automatically switches to RTU-2 / Server-2

Equipment 1 fails. Ethernet link automatically switches to RTU-2 / Server-2



Application #2 (c)

Equipment 1 recovers - Ethernet link automatically reverts and reconnects to RTU-1 / Server-1

Equipment 1 recovers - Ethernet link automatically reverts and reconnects to RTU-1 / Server-1