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PTP Switches for
Accurate Time Distribution

Asterfusion PTP Switches provide IEEE 1588v2 Precision Time Protocol (PTP) and Synchronous Ethernet (SyncE) support with high-performance switching, delivering Class A to Class C timing accuracy with up to 10ns precision. 

Accurate Time Based on Hardware Appliance

With PTP timing modules, Time I/O interfaces, and optional GNSS modules, they enable accurate frequency, phase, and time synchronization for mission-critical networks.
5G O-RAN Icon
5G O-RAN / xHaul
ITU-T G.8275.x
Broadcast Media Icon
Broadcast Media
SMPTE ST 2059-2 / AES67
Data Center Interconaction
General Campus/Data Center
IEEE 1588v2
Media & Broadcasting

Media & Broadcasting

Transform SDI to IP with Precision Timing Synchronization

AV over IP switches with SMPTE ST 2059 and IEEE 1588v2 PTP-powered synchronization. Enable frame-accurate media alignment for ST 2110 workflows, live production, and professional broadcast applications.
Use Case

Telecom: 5G O-RAN Fronthaul

Synchronize 5G O-RAN Fronthaul with Carrier-Grade Timing

ITU-T G.8275.x standard-compliant Profile and SyncE support for precise phase and frequency synchronization. Ensure reliable RU/DU synchronization for 5G xHaul networks and Open RAN deployments.
More Details
5G O-RAN
Data Center Interconnection

Data Center

Accelerate DCI Synchronization with Precision Timing

IEEE 1588v2 (IEEE 1588-2008) PTP and SyncE-powered Class C timing accuracy for multi-site data center interconnection. Enable precise clock synchronization for distributed databases, AI clusters, and high-frequency trading.

World’s Best Enterprise SONiC OS

Explore More
Optimized Software for Advanced Workloads-AsterNOS

AsterNOS is the pre-installed network operating system on Asterfusion’s PTP switches. Built on SONiC and enhanced far beyond the open-source version, AsterNOS provides strong support for IEEE 1588v2 PTP features designed for media networking, enabling SDI-to-IP migration, 5G xHaul scenarios, and general Ethernet environments such as campus and data center networks. Besides, it supports comprehensive Layer 2 and Layer 3 protocols, advanced routing, and virtualization capabilities such as VXLAN and BGP-EVPN, along with powerful extensions like MPLS and MACsec for specialized use cases. Smart, secure, and easy to manage, AsterNOS is designed to power high-performance, always-on networks with reliability and flexibility.

Time-Sensitive Networking Switches
Parameters Overview

Asterfusion PTP Switches DataSheet

High-Precision Class C PTP Switch

CX864E-N

64x 800G OSFP Switch

64 port 800GbE OSFP

64x 800G OSFP + 2x 10G SFP+

≤10 ns (Class C)

  • Switching Capacity

    51.2 Tbps

  • Clock Type
    BC / TC
  • Packet Buffer

    200+ MB

  • Rack Units

    2U

  • NOS
More Details

CX732Q-M-H

32x 400G QSFP-DD Switch

CX732Q-N.S-V2-thumbnail

32x 400G QSFP-DD + 2x 10G SFP+

≤10 ns (Class C)

  • Switching Capacity

    12.8 Tbps

  • Clock Type

    BC / TC

  • Rack Units

    1U

  • NOS
More Details

CX532P-M-H

32x 100G QSFP28 Switch

cx-n_CX532P-N-V2.S-thumbnail

32x 100G QSFP28 + 2x 10G SFP+

≤10 ns (Class C)

  • Switching Capacity

    3.2 Tbps

  • Clock Type

    BC / TC

  • Rack Units

    1U

  • NOS
More Details

CX308P-48Y-M-H

48x 25G SFP28 Switch

CX308P-48Y-M-H 48x25G Aggregation Switch thumbnail

8x 100G QSFP28 + 48x 25G SFP28

≤10 ns (Class C)

  • Switching Capacity

    2.0 Tbps

  • Clock Type

    BC / TC

  • Rack Units

    1U

  • NOS
More Details

CX306P-48Y-M-H

48x 25G SFP28 Switch

CX306P-48Y-M-H 48-Port 25G Aggregation Switch -thumbnail

6x 100G QSFP28 + 48x 25G SFP28

≤10 ns (Class C)

  • Switching Capacity

    2.0 Tbps

  • Clock Type

    Grandmaster / BC / TC

  • Rack Units

    1U

  • NOS
More Details

CX202P-24Y-M-H

24x 25G SFP28 Switch

CX202P-24Y-M-H 24x25G Aggregation Switch Thumbnail

2x 100G QSFP28 + 24x 25G SFP28

≤10 ns (Class C)

  • Switching Capacity

    800 Gbps

  • Clock Type

    BC / TC

  • Rack Units

    1U

  • NOS
More Details

CX206P-48S-M-H

48x 10G SFP+ Switch

CX206P-48S-M-H 48port 10G Aggregation Switch Thumbnail

6x 100G QSFP28 + 48x 10G SFP+

≤10 ns (Class C)

  • Switching Capacity

    1.09 Tbps

  • Clock Type

    BC / TC

  • Rack Units

    1U

  • NOS
More Details

CX206P-24S-M-H

24x 10G SFP+ Switch

CX206P-24S-M-H 24x10G Aggregation Switch -Thumbnail

6x 100G QSFP28 + 24x 10G SFP+

≤10 ns (Class C)

  • Switching Capacity

    1.09 Tbps

  • Clock Type

    BC / TC

  • Rack Units

    1U

  • NOS
More Details

CX202P-24S-M-H

24x 10G SFP+ Switch

CX202P-24S-M-H-aggregation-switch-thumbnail

2x 100G QSFP28 + 24x 10G SFP+

≤10 ns (Class C)

  • Switching Capacity

    1.09 Tbps

  • Clock Type

    BC / TC

  • Rack Units

    1U

  • NOS
More Details

CX202P-16S-M-H

16x 10G SFP+ Switch

CX202P-16S-M-H 16x10G Leaf&Core Switch-thumbnail

2x 100G QSFP28 + 16x 10G SFP+

≤10 ns (Class C)

  • Switching Capacity

    1.09 Tbps

  • Clock Type

    BC / TC

  • Rack Units

    1U

  • NOS
More Details

CX204P-4Y48MT-M-H / HWP4 / HWP8

48x 2.5G RJ45 PoE Switch

Intro Image for cx-m-25g_CX204P-4Y48MT-M-H

4x 100G QSFP28 + 4x 25G SFP28 + 48x 2.5G

≤10 ns (Class C)

8x PoE++(Ports 1-8) + 40xPoE+(Ports 9-48)

  • Switching Capacity

    800 Gbps

  • Clock Type

    BC / TC

  • PoE Budget

    0 / 740W / 1440W

  • NOS
1440W PoE Version
740W PoE Version
Non-PoE Version

CX206Y-48MT-M-H / HWP4 / HWP8

48x 2.5G RJ45 Switch

CX202P-16S-M-H 16x10G Leaf&Core Switch-thumbnail

6x 25G SFP28 + 48x 2.5G RJ45

≤10 ns (Class C)

8x PoE++(Ports 1-8) + 40xPoE+(Ports 9-48)

  • Switching Capacity

    210 Gbps

  • Clock Type

    BC / TC

  • PoE Budget

    0 / 740W / 1440W

  • NOS
PoE Version
Non-PoE Version

CX206Y-24MT-M-H / HWP4

24x 2.5G RJ45 Switch

Intro image for 2.5G access switch CX206Y-24MT-M-H

6x 25G SFP28 + 24x 2.5G RJ45

≤10 ns (Class C)

8x PoE++(Ports 1-8) + 16xPoE+(Ports 9-24)

  • Switching Capacity

    210 Gbps

  • Clock Type

    Grandmaster / BC / TC

  • PoE Budget

    0 / 740W

  • NOS
PoE Version
Non-PoE Version

CX206Y-48GT-M-H / HWP4 / HWP8

48x 1G RJ45 Switch

CX202P-16S-M-H 16x10G Leaf&Core Switch-thumbnail

6x 25G SFP28 + 48x 1G RJ45

≤10 ns (Class C)

8x PoE++(Ports 1-8) + 40xPoE+(Ports 9-48)

  • Switching Capacity

    210 Gbps

  • Clock Type

    BC / TC

  • PoE Budget

    0 / 740W / 1440W

  • NOS
1440W PoE Version
740W PoE Version
Non-PoE Version

CX206Y-24GT-M-H / HWP4

24x 1G RJ45 Switch

Intro image for 2.5G access switch CX206Y-24MT-M-H

6x 25G SFP28 + 24x 1G RJ45

≤10 ns (Class C)

8x PoE++(Ports 1-8) + 16xPoE+(Ports 9-24)

  • Switching Capacity

    210 Gbps

  • Clock Type

    Grandmaster / BC / TC

  • PoE Budget

    0 / 740W

  • NOS
PoE Version
Non-PoE Version

CX204P-16Y-M-E

16x 25G SFP28 Switch

CX204P-24S-M-E Aggregation Switch -6

4x 100G QSFP28 + 16x 25G SFP28

≤10 ns (Class C)

  • Switching Capacity

    800 Gbps

  • Clock Type

    BC / TC

  • Rack Units

    1U

  • NOS
More Details

CX204P-24S-M-E

16x 25G SFP28 Switch

CX204P-24S-M-E Aggregation Switch -1

4x 100G QSFP28 + 24x 10G SFP+

≤10 ns (Class C)

  • Switching Capacity

    1.09 Tbps

  • Clock Type

    BC / TC

  • Rack Units

    1U

  • NOS
More Details

CX204Y-24MT-M-S / SWP4

24x 2.5G RJ45 Switch

CX204Y-24GT-M-S Access Switch-thumbnail

4x 25G SFP28 + 24x 2.5G RJ45

≤10 ns (Class C)

8x PoE++(Ports 1-8) + 16xPoE+(Ports 9-24)

  • Switching Capacity

    180 Gbps

  • Clock Type

    BC / TC

  • PoE Budget

    0 / 740W

  • NOS
PoE Version
Non-PoE Version

CX204Y-48GT-M-S / SWP4

48x 1G RJ45 Switch

CX204Y-48GT-M-S 48x1G Access Switch -thumbnail

4x 25G SFP28 + 48x 1G RJ45

≤10 ns (Class C)

8x PoE++(Ports 1-8) + 40xPoE+(Ports 9-48)

  • Switching Capacity

    180 Gbps

  • Clock Type

    BC / TC

  • PoE Budget

    0 / 740W

  • NOS
PoE Version
Non-PoE Version

CX204Y-24GT-M-S / SWP2 / SWP4

24x 1G RJ45 Switch

CX204Y-24GT-M-S Access Switch-thumbnail

4x 25G SFP28 + 24x 1G RJ45

≤10 ns (Class C)

8x PoE++(Ports 1-8) + 16xPoE+(Ports 9-24)

  • Switching Capacity

    180 Gbps

  • Clock Type

    BC / TC

  • PoE Budget

    0 / 370W / 740W

  • NOS
740W PoE Version
370W PoE Version
Non-PoE Version

Class A PTP Switch (PoE Available)

CX102S-8MT-M-S/SWP

8x 2.5G RJ45 PoE Switch

CX102S-8GT-M-SWP Access Switch -5

2x 10G SFP+ + 8x 2.5G RJ45

≤50 ns (Class A)

8x PoE++(Ports 1-8) Optional

  • Switching Capacity

    72 Gbps

  • Clock Type

    BC / TC

  • PoE Budget

    0 / 150W

  • NOS
PoE Version
Non-PoE Version

CX102S-16GT-M-S

16x 1G RJ45 PoE Switch

CX102S-16GT-M-SWP 16 Port Gigabit Switch with Two Marvell OCTEON TX2 CN9130 DPUs -Thumbnail

2x 10G SFP+ + 16x 1G RJ45

≤50 ns (Class A)

8x PoE++(Ports 1-8) Optional

  • Switching Capacity

    72 Gbps

  • Clock Type

    BC / TC

  • PoE Budget

    0 / 150W

  • NOS
  • Variants

    1-2 DPUs

PoE Only Version
DPU Version

CX102S-8GT-M-S/SWP

8x 1G RJ45 PoE Switch

CX102S-8GT-M-SWP Access Switch -5

2x 10G SFP+ + 8x 1G RJ45

≤50 ns (Class A)

8x PoE++(Ports 1-8) Optional

  • Switching Capacity

    72 Gbps

  • Clock Type

    BC / TC

  • PoE Budget

    0 / 150W

  • NOS
PoE Version

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    Frequently Asked Questions

    Everything You Need to Know About Network Synchronization and Time Distribution
    What is a PTP Switch and why is it important for time synchronization?
    A PTP Switch is a network switch that supports IEEE 1588 Precision Time Protocol (PTP) to distribute highly accurate time across Ethernet networks. By providing hardware timestamping, boundary clock, and transparent clock capabilities, PTP switches minimize clock offset and ensure precise synchronization for broadcast, telecom, and data center applications.
    What is the difference between PTP and NTP, and when should I use a PTP Switch?
    NTP is designed for general-purpose network time synchronization, typically achieving millisecond-level accuracy. PTP (IEEE 1588) provides sub-microsecond or nanosecond-level synchronization by using hardware timestamping and dedicated clock mechanisms. PTP switches are required for applications such as 5G O-RAN, SMPTE ST 2110 broadcast, financial trading, and distributed computing environments where precise timing is critical.
    How does a PTP Switch support SDI-to-IP migration in broadcast networks?
    PTP switches provide IEEE 1588 PTP synchronization based on SMPTE ST 2059-2 for IP-based media networks. In SDI-to-IP migration, PTP replaces traditional timing signals such as black burst and tri-level sync, enabling frame-accurate synchronization for SMPTE ST 2110 video workflows, live production, and AV over IP systems.
    Why do 5G O-RAN networks require PTP Switches and SyncE?
    5G O-RAN fronthaul networks require highly accurate phase and frequency synchronization between Radio Units (RU) and Distributed Units (DU). PTP switches with ITU-T G.8275.1/G.8275.2 Telecom Profiles and SyncE support provide precise timing distribution to meet strict synchronization requirements for 5G xHaul deployments.
    How do PTP Switches improve data center synchronization for AI clusters and DCI networks?
    PTP switches enable precise clock synchronization across multi-site data centers by supporting IEEE 1588v2 PTP, SyncE, GNSS timing sources, and high-accuracy clock profiles. They help maintain consistent timestamps for distributed databases, AI clusters, high-frequency trading, and other latency-sensitive applications.