VCL-2711, IEEE C37.94 over IP/MPLS / Ethernet / MPLS-TP

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VCL-2711, IEEE C37.94 over IP/MPLS / Ethernet / MPLS-TP Transmission Equipment

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The VCL-2711, IEEE C37.94 over Ethernet / MPLS-TP / IP-MPLS Transmission Equipment is a ruggedized, robust and sub-station-hardened transmission equipment which converts and transmits up to four IEEE C37.94 Interfaces over an Ethernet / MPLS-TP / IP-MPLS link with “SDH / SONET like” performance. The VCL-2711 units must be always used in pairs, with one unit installed on each end of the Ethernet / MPLS-TP / IP-MPLS transmission link. The equipment can be used in a point-to-point, or a point-to-multipoint topology with “zero” bit-errors and almost “zero” jitter or wander when used its integrated GPS (ITU-T G.811) compliant primary reference clock.

MPLS-TP IP-MPLS Point-to-Point Point-to-Multipoint

Features and Highlights

End-to-end transmission delay (latency) of less than 5ms on IEEE C37.94 transmission link
Symmetrical latency on the transmit and the receive paths
SDH / SONET quality “jitter” and “wander” with “zero” transmission errors
Multiple, integrated clock synchronization options include:

Internal OCXO Disciplined Clock
GPS - Integrated GPS (ITU-T G.811) Complaint Primary Reference Clock
External 1PPS, 2.048MBits, 10MHz Clock

IEEE C37.94 Interface Specifications Option #1:

Interfaces per unit: 4 (4 Tx, 4 Rx)
Standards: IEEE C37.94
Optical connector: ST
Optical Transmitter: LED
Optical: 820nm/850nm Multi-Mode

IEEE C37.94 Interface Specifications Option #2:

Interfaces per unit: 4 (4 Tx, 4 Rx)
Standards: Modulation as per IEEE C37.94
Optical connector: LC (SFP)
Optical Transmitter: Laser
Optical: 820nm/850nm Multi-Mode, 1310nm/ 1550nm Single Mode

Network Port Specification:

Interface Type	10/100 Base-T/Tx, Auto MDI-X
Connector	RJ-45 (F)
Compliance	IEEE-802.3

OAM Port Specification:

Interface Type	10/100/1000 Base-T/Tx, Auto MDI-X
Supported Protocols	SSH, Telnet, ARP, SCP, TFTP, SFTP
Connector	RJ-45 (F)
Compliance	IEEE-802.3

Access and Control Interfaces:

Ethernet – SSH and Telnet with clear-text disable option (clear-text disabled by default)
USB

Security:

Secure Boot
Encrypted Firmware Updates
SNMPv2 and SNMPv3 trap generation, along with LED and external alarm indication
Password protection with password strength monitor
RADIUS Password Authentication
SSH (Secure Access Control) with encrypted Password Protection

Power Supply Options:

Redundant 1+1, 48VDC (Input range 18VDC to 60VDC).

Chassis Type:

19-Inch, 1U, Corrosion Resistant Aluminium Enclosure

Physical Dimensions and Weight:

Width x Depth x Height: 437mm x 413mm x 44mm
Weight: 3.0Kg

CE Compliance:

Low Voltage Directive 2014/35/EU
Electromagnetic Compatibility 2014/30/EU

Other Regulatory Compliances:

RoHS
CE Marking
Complies with FCC Part 68 and EMC FCC Part 15

Applications:

The VCL-2711, IEEE C37.94 over Ethernet / MPLS-TP / IP-MPLS Transmission Equipment is designed to enable sub-stations to seamlessly migrate from SDH / SONET transmission networks to more efficient IP / MPLS transmission networks without incurring large capex or requiring the tiresome task of having to replace and rewire the existing C37.94 Relays which need to be inter-connected to remote substations inter-connected over Ethernet / MPLS-TP / IP-MPLS transmission links.

By installing the VCL-2711, the existing C37.94 Protection Relays can be migrated from an SDH / SONET transmission network to an
Ethernet / MPLS-TP / IP-MPLS transmission network with no degradation or compromise in the reliability or the performance of the
C37.94 interfaces.