VCL-GPS-2145, Primary Reference Clock with IEEE-1588v2 PTP Grandmaster and NTP Server

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Mã sản phẩm: VCL-GPS-2145,
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Product Overview

VCL-GPS IEEE-1588v2 PTP Grandmaster and Primary Reference Clock, NTP Server (IPv4 and IPv6), provides IRIG-B, 1PPS, NMEA, 1/5/10MHz, 2.048MHz, 2.048Mbits with SSM, 1.544Mbits GPS referenced clock outputs. OCXO and Rubidium Holdover Clock options available.

VCL-GPS-2145, Primary Reference Clock with IEEE-1588v2 PTP Grandmaster and NTP Server is a high precision, multi-service, cost efficient time and frequency synchronization solution which can be used to provide ITU-T, G.811 reference frequencies which are referenced to a GPS source, as well as to synchronize the time-of-day and frequency across multiple nodes of the network. The VCL-GPS Receiver has an integrated, high bandwidth NTP Server engine that is capable of handling up to 8900 NTP requests per second. Multiple IRIG-B Outputs are also provided to synchronize local clock (time-of-day) display units as well as RTUs to a central timing source with nanosecond accuracy.

The VCL-GPS-2145, Primary Reference (PRC) Clock is specifically designed for the synchronization of 2G, 3G, HetNet and LTE mobile telecommunications networks as well as backhaul wire-line SDH / SONET and Synchronous Ethernet networks. It may be also used by Railways, Airports (including air-traffic control), Power generation and distribution companies and other Utility companies who not only require a highly precise time-of-day and G.811 frequency synchronization locked to a GPS Reference but who also need to distribute highly precise time-of-day and frequency synchronization across all nodes of their networks.

The VCL-GPS-2145 is always locked to a GPS reference to provide multiple G.811 / Stratum 1 quality frequency and time-of-day (IRIG-B and NTP) outputs. The VCL-GPS-2145 is also equipped highly accurate, low-noise OCXO / Rubidium oscillator which provides a high stability holdover clock that is typical of a Network SSU in the event of the GPS signal or its antenna failure.

vailable in two versions:

Model	Description
1. GPS, IEEE-1588v2 PTP Grandmaster and Primary Reference Clock
VCL-GPS-2145, Primary Reference (PRC) Clock	VCL-GPS-2145, Primary Reference (PRC) G.811 Clock. Provides 1PPS, NMEA, 1/5/10MHz, 2.048MHz, 2.048Mbits with SSM, 1.544Mbits Frequency Outputs with High Stability OCXO and Rubidium (G.812) Holdover Clock options.
	VCL-GPS-2145, Primary Reference (PRC) G.811 Clock and PTP Grandmaster (IEEE-1588v2) with NTP Server. May be used in multi-service applications as a G.811, Primary Reference (PRC) Clock as well as a IEEE-1588v2 PTP Grandmaster and NTP Server (IPv4 and IPv6). Provides IRIG-B, 1PPS, NMEA, 1/5/10MHz, 2.048MHz, 2.048Mbits with SSM, 1.544Mbits GPS referenced outputs. OCXO and Rubidium (G.812) Holdover Clock options available.
2. PTP (IEEE-1588v2) Slaves
VCL-GPS-2145, (IEEE-1588v2) PTP Slave for ToD (Time of Day) and Frequency Synchronization	PTP (IEEE-1588v2) Slave - synchronizes to PTP Grandmaster to provide IRIG-B, 1PPS, NMEA, 1/5/10MHz, 2.048MHz, 2.048Mbits outputs. OCXO and Rubidium Holdover Clock options available.
	PTP (IEEE-1588v2 Slave) for ToD (Time of Day) Synchronization. PTP (IEEE-1588v2) Slave - synchronizes to PTP Grandmaster to provide IRIG-B, 1PPS, NMEA, 2.048MHz, 2.048Mbits outputs.

Features and Highlights

Reliable, Cost-Efficient Reference GPS Receiver
50 Channel GPS, L1 frequency, C/A Code Receiver
Simultaneous tracking of up to 12 GPS satellites
ITU-T G.811 Primary Reference (PRC) Clock
GPS locked G.703 compliant E1, 2.048MBits, 1.544Mbits and 2.048 MHz outputs
Primary reference and holdover functionality:
- ITU-T G.811 / Stratum 1 compliant (PR) Primary Reference when locked to GPS
- ITU-T G.812 compliant holdover
SSM Message format Compliant with ITU-T G.704. Optional GR-378-CORE for SONET Networks.
1/5/10 MHz output
1 PPS outputs
IEEE-1588v2 Precision Time Protocol PTP Grandmaster
PTP Grandmaster support for up to 32 PTP Clients
Nanosecond accuracy
IRIG-B outputs
Standard RJ45 and BNC connectors for all inputs and outputs
ToD compliant to NMEA 0183 (DB9 Serial Port).

Additional Features:

High bandwidth NTP Server capable of supporting up to 8900 NTP requests per second.
Separate, independent, IEEE-1588 and NTP Server engines
IPv4 and IPv6 compatible NTP Server
SSH, Telnet, Radius, SNMP V2 MIB
Password Protection
Redundant AC and DC power supply options
4, 10/100/1000BaseT Network Interface Ethernet Ports
2 x 10/100/1000BaseT Network Interface Ethernet Ports
2 x 1000BaseSX/LX Network Interface Ethernet Ports
VLAN and Packet priority feature - allows the user to assign priorities to different types of clients
Supports QoS, 802.1p based packet priority.
Supports 802.1Q based VLANs.
Power Contact and Lightening Protection as per Telcordia GR-1089-CORE.

Typical Synchronization Applications:

Synchronizing Cellular networks like UMTS, GPRS, 3G and LTE
Power generation and distribution companies and other utility companies
Wireless and Wireline Telecom synchronization
Distributing Time (ToD) and Frequency reference for power utilities across all nodes of the network
Synchronization of Defense Networks
Synchronizing airports and aviation communications
Synchronizing railway signaling networks and railway communications
Synchronizing traffic management
Broadcasting Network and Broadcast equipment synchronization.