E1 (2.048Mbps) plus IEEE C37.94 Optical (1+1 redundant transmission) links

Description

VCL-TP, Teleprotection (Protection Signalling Equipment / DTPC) equipment is an extremely reliable and flexible product which offers up to 8 independent Binary Command Input and 8 independent Binary Command Output channels which can be operated selectively or simultaneously over an E1 (2.048Mbps) plus IEEE C37.94 Optical (1+1 redundant transmission link) with link failure detection and automatic failover.

Transmission interface options include:

Features and Highlights

  • E1 (2.048Mbps) and IEEE C37.94 Optical with 1+1 redundant transmission link, link failure detection and automatic failover feature.
  • Network interface option
  • E1, 2.048Mbps interface over an E1 / SDH link
  • IEEE C37.94 optical fiber interface
  • 1+1 redundant path protection / route protection option
  • E1, 2.048Mbps and IEEE C37.94 (1+1 redundant) interfaces
  • Unrivalled Speed, Security and Reliability
  • Bi-directional transmission of 8 Binary Command Inputs and 8 Binary Command Outputs
  • Dual Direction Teleprotection with Teleprotection Command Distribution
  • 8 Channels Trip Counter Display and Alarm Extension Unit
  • Compact, standard 19-Inch Rack-mountable chassis
  • Use in a Standalone, Point-To-Point Application over E1 (2.048Mbps) and IEEE C37.94 transmission links
  • Full Duplex Operation, Automatic loop test facility
  • User programmable for Direct Tripping, Permissive Tripping and Blocking Protection Schemes (Distance Teleprotection).
  • Compliant with IEC 60834-1 and all applicable sections of IEC 60834-2 standards
  • SNMPv2 management protocol for management and monitoring
  • Available in 24V DC, 48V DC, 110V DC, 220V DC, 250V DC, 110V AC and 220V AC configurations
  • Optional - Trip Counter Display Panel and Alarm Extension Unit:
    • The Trip Counter Display Panel and Alarm Extension Unit can be installed in conjunction with the Teleprotection unit to to display the count of the “Trip Input Sense” and “Trip Output Initiate” events and to obtain and extend additional alarm outputs to the Sub-Station “Alarm Annunciator” panel.
    • 16, (8 Inputs and 8 Outputs) Trip Counter Display Panel to display the count of the “Trip Input Sense” and “Trip Output Initiate” events
    • Additionally provides 8 user configurable external dry contact alarm outputs to extend up to 8, separate user assignable alarms
    • Each alarm output can be individually assigned to any type of event, including failure of Transmission Link, PSU Failure Alarm, Trip Input Sense / Trip Output Initiate Commands.

Applications

Application # 1: Teleprotection over IEEE C37.94 Optical Interface in 1+1 Configuration

Teleprotection over IEEE C37.94 Optical Interface in 1+1 Configuration

Figure # 1 – Typical Application over a IEEE C37.94 compliant optical link, as an integrated part of the
VCL-MX Version 6 - E1 Voice and Data Multiplexer solution over an SDH or PDH data network.

Application # 2: Teleprotection over IEEE C37.94 Optical Interface

E1 Teleprotection Equipment

Figure # 2 – Typical Point-To-Point Application


Application # 3: Typical Application over an IEEE C37.94 compliant optical link

Figure # 3 – Typical Application over an IEEE C37.94 compliant optical link, as an integrated
part of the E1 PDH Voice & Data Multiplexer solution over an SDH or PDH data network.


Data Sheet

Data Sheet trip counter