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T830
IEEE1588 v2 Solution

Full GNSS receiver

Redundancy, modularity

High-capacity PTP grandmaster clock, SSU+
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DESCRIPTION

To meet the stringent requirements of new mobile, fixed, and wired networks, reliable and accurate synchronization services are crucial from the core network to the edge network. However, the challenge goes beyond accuracy. In addition to strict precision requirements, network operators also need a powerful, scalable, and cost-effective solution that can work in both packet-based networks and traditional infrastructures.

Our T830 is a carrier-grade solution that supports ePRTC, PRTC A/B, SSU, and IEEE 1588V2 grandmasters. It features 10Gbit/s and 1Gbit/s interfaces with hardware timestamping, seamlessly enabling replacement through modular and bus design.

With its NTP server, BITS/Composite Clock (CC) outputs, and GNSS receiver functionality, the T830 becomes an ideal choice for smoothly upgrading traditional synchronization architectures. It provides precise timing for DOCSIS 3.1 Remote PHY devices, making it a powerful tool for cable TV operators to meet rapidly growing business demands. Through modular, scalable, and fully redundant design, our T830 offers high configuration flexibility and reliability.

Furthermore, we provide comprehensive synchronization monitoring assurance, eliminating the need to purchase expensive testing equipment separately. With our T830, delivering cost-effective and accurate clock synchronization for next-generation technologies such as LTE-A and 5G is no longer a challenge.

Applications in Core Networks:

- Synchronization for wireless access networks, including 4G, 4.5G LTE/LTE-A, 5G NR, cluster communications, and small cell base stations

- Clock synchronization for traditional network architectures based on NTP and PRC/SSU/CC

- Synchronization for wired networks (DOCSIS 3.1) and PON

- Synchronization for data centers and enterprise networks

- Synchronization for modern and traditional power utility networks and modern digital broadcasting studios

- Distribution networks

System Overview

● High-quality OCXO, DOCXO, and Rubidium Clock

● Up to 8x1/10GbE (base unit) + 4x1/10GbE (line card)

● Up to 2048 hot-swappable redundant clocks, GNSS, and PSU for unicast slave clocks

Operating Modes

● ePRTC, PRTCA, and PRTCB

● IEEE1588 PTP grandmaster, boundary clock, slave clock/probe NTP service

● PRC/SSU (Sync-E and BITS/CC)

GPS Receiver

● Embedded L1 multi-satellite receiver with optional multi-band, multi-satellite receiver for improved accuracy: BeiDou/GPS/GLONASS/GALILEO/SBAS/QZSS

PTP Functionality

● Default configuration based on Ethernet and IP multicast telecom profiles: G.8265.1, G.8275.1, and G.8275.2

● Enterprise hybrid/Power profiles based on hardware packet processing

NTP Service

● High-capacity primary time server with hardware timestamps, simultaneous support for NTP/PTP/Sync-E/SSU, NTP authentication, PTP to NTP conversion

Expansion Cards (Optional)

● T830 expandable hot-swappable cards

● Line cards:

- 16xE1/T1/2.048MHz (120/100/75ohm)

- 4x1/10GbE (PTP/Sync-E)

- Multi-band GNSS conversion - 10x composite clock

Multi-band GNSS Receiver Card

● Redundant, hot-swappable GNSS receiver and antenna inputs (with 2 cards) for higher precision in ePRTC and PRTC-B

● Multi-band, multi-satellite system with 184 channels GNSS receiver

● GPS (L1C/AL2C), BeiDou (B1l, B2l), Galileo (E1B/CE5b), GLONASS (L1OF, L2OF), QZSS (L1C/AL2C), SBAS (L1C/A: WAAS, EGNOS, MSAS, GAGAN)

● Four parallel GNSS satellite system constellation and GNSS status with configurable signal-to-noise ratio, elevation, and positioning accuracy factor

● User-configurable antenna cable delay compensation

● Supports fixed positioning - single-satellite mode

● Interference and spoofing detection

● Advanced spoofing, interface detection, and mitigation

● Antenna voltage +5VDC: SMA-F connector (50 ohms)

Compliance with Standards

● ITU-T G.8261, G.8262, G.8264, G.703, G.781, G.812, G.811

● ITU-T G.8272.1, G.8272, G.8273.2

● ITU-T G.8265.1, G.8275.1, G.8275.2

● IEEE 1588v2 (PTP), 802.1Q (VLAN), 802.1ad, 802.1p (priority), 802.3ae (10G)

● RFC 2863 (IF-MIB), RFC 2865 (RADIUS), RFC 2819 (RMON), RFC 2460 (IPv6)

● RFC 1059 (NTPv1), RFC 1119 (NTPv2), RFC 1305 (NTPv3), RFC 5905 (SNTPv4), RFC 868 (TIME), RFC 867 (DAYTIME),RFC 1321 (autokey)

Performance advantages:

● Full hardware redundancy: All critical modules are protected to ensure no loss of performance and high service availability.

● Bdtime™ technology: Built-in synchronization accuracy monitoring, testing, and assurance capabilities.

● Easy transition from traditional to IP: Convenient conversion from traditional TDM to IP-based networks, including CC, BITS, and T1/DS1/E1 signal networks.

● Multi-technology high-speed connectivity: Industry-first support for NTP, PTP, and SyncE with over 48 interfaces of 10Gbit/s and 1Gbit/s with hardware timestamps.

● Unique flexibility and versatility: Modular and scalable design configurable as ePRTC, PRTC, SSU, PTP grandmaster clock, APTS, boundary clock, slave clock, and NTP server.

● Easy operation: Comprehensive controller, including comprehensive SyncDirector and GNSS Control, for excellent management and synchronization monitoring features.

Key Applications

● Enhanced Primary Reference Time Clock (ePRTC)

● Primary Reference Time Clock (PRTCA and PRTCB)

● 1588v2 PTP grandmaster clock (up to 2048 PTP clients at a rate of 128pps)

● 1588v2 PTP boundary clock (up to 2048 PTP clients at a rate of 128pps), G.8273.2 BC type D

● 1588v2 PTP slave clock input (as GNSS backup) APTS

● GNSS receiver and PRC/PRTC, including multiple physical synchronization output interfaces

● Synchronization Supply Unit (SSU) and composite clock generator

● NTP server

● Sync probe - Bdtime™ monitoring and assurance

Product Specifications

Expansion Cards: 1

PTP/NTP/Sync-E Ports: Up to 12

Composite Clock Ports: Up to 10

BITS Output Ports: Up to 17

Redundant Hot-swappable DC PSU: Up to 2

Dimensions (Length x Width x Height): 1RU 443mm x 44.1mm x 216mm / 17.44” x 1.73” x 8.50”

NTP Functionality

● GNSS-referenced primary time server

● Support for NTPv1, v2, v3, and v4 with IPv4 and IPv6

● NTP unicast/multicast/broadcast

● Symmetric key and autokey authentication

● Time & date protocol

● NTP peering

● Optional time references for NTP (UTC/GNSS/Local)

● Hardware timestamping with nanosecond accuracy

● Lock to GNSS, NTP to UTC accuracy better than +/-100ns

● Up to 16 NTP server IP addresses

● NTP and PTP supported on the same port

● PTP to NTP conversion

● Up to three layers of VLAN per flow (Q-in-Q service provider tag)

● Enhanced NTP statistics and client list

● Up to 8000 events per second per CSM

● PTP serves as backup when GNSS fails

PTP Network Functionality

● PTP configurations supported:

ITU-T G.8265.1 frequency delivery (IP unicast based on IPv4/IPv6)

ITU-T G.8275.1 time/phase delivery (full timing domain support - Ethernet multicast)

ITU-T G.8275.2 time/phase delivery (partial domain timing support - IPv4/IPv6)

PTP enterprise profiles (hybrid multicast and unicast)

Default support for IEEE 1588-2008 PTP based on IP multicast

Default support for IEEE 1588-2008 based on Ethernet multicast (Annex F)

PTP power and utility profiles: EC/IEEE 61850-9-3, IEEE C37.238-2011, IEEE C37.238-2017

PTP broadcasting and media profiles: SMPTE ST 2059-2, AES67

● Support for one-step and two-step clock configurations: Performance does not degrade as the number of slave clocks increases.

● Up to 16 master/boundary clock IP addresses (supporting both IPv4 and IPv6 on the same port)

● Up to 16 EVCs (IEEE 802.1Q customer tags) and VLANs stacked per CSM

● Simultaneous support for multiple functions: Supports PTP (TAI) and arbitrary (ARB) time scales.

● Master and slave clocks supported on all ports simultaneously: Up to three layers of VLAN per flow (Q-in-Q service provider tag)

● Enhanced PTPGM/BC/slave statistics, performance monitoring (15 minutes and 24 hours), threshold crossing alarms (TCA), and SNMP traps.

● Nanosecond-accurate hardware timestamps: Internal best-clock recovery algorithm.

● DoS protection with hardware access control lists (ACL) and traffic rate limiting.

● Operates as a single or dual attached clock in PRP/IEC 62439-3 networks.

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PNT stands for Positioning, Navigation, and Timing
Bd Star is a national high-tech enterprise specializing in Beidou GPS timing and navigation industry. The company is dedicated to the research and development, design, production, and sales of system solutions such as standard time timing
Experienced
BdSTAR TIME seamless switching technology for redundant reference sources includes several technical components such as high-precision phase-shifting technology, reference clock, FPGA, integrated analog stretching, asynchronous serial communication, parameter storage, and master clock output.
Requirement customization
The core technology team of the company has many years of research and development experience in the field of timing and frequency. They possess multiple key core technologies in high-precision timing, PNT combination, frequency measurement, control, optical fiber time-frequency transfer, recovery, and maintenance.
Philosophy
"Our team of experts is committed to providing you with the best industry solutions, reducing project costs, and saving your valuable time. Additionally, our ability to design and use various timing and navigation components enables us to develop customized products for various special applications."

T830
IEEE1588 v2 Solution