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PTX10002-60C System Overview

The Juniper Networks PTX10002-60C Packet Transport Router is a second-generation PTX Series fixed-configuration core router which provides up to 6 Tbps of throughput and 4 Bpps of forwarding capacity. It features a compact, 2 U form factor that is easy to deploy in space-constrained internet exchange locations, remote central offices, and embedded peering points throughout the network, including cloud-hosted services.

The PTX10002-60C supports flexible interface configuration options, offering 60 physical quad small form-factor pluggable 28 (QSFP28) 100GbE ports, 60 QSFP+ 40GbE ports, and 192 10GbE ports via QSFP+ breakout cables. Each port can be configured as 100GbE, 40 GbE, or 4x10 GbE. The PTX10002-60C ships with four 1600 W AC or DC power supplies and three fan modules. See Figure 1.

Figure 1: PTX10002-60CPTX10002-60C
Tip:

For information about features supported on PTX Series routers, see Feature Explorer.

Benefits of the PTX10002-60C

  • By offering the industry’s highest 100GbE port density—up to 60 ports in a 2 U form factor—the PTX10002-60C enables you to seamlessly scale your core network from 10GbE and 40GbE architectures to 100GbE. The PTX10002-60C gives you a practical solution for keeping pace with evolving distributed core architecture requirements.

  • The PTX10002-60C is engineered with hardware redundancy for cooling, power supplies, and forwarding. High Availability (HA) is critical for service providers to maintain an always-on infrastructure base and meet stringent SLAs across the core.

  • Exceptional packet processing capabilities help alleviate the challenge of scaling the network as traffic levels increase while optimizing IP/MPLS transit functionality around superior performance and elegant deployability.

PTX10002-60C System Architecture

The system architecture cleanly separates control operations from packet forwarding operations. This design eliminates processing and traffic bottlenecks, permitting the PTX10002-60C to achieve high performance.

  • Control operations are performed by the Routing Engine, which runs the Juniper Networks Junos operating system (Junos OS). The Routing Engine handles routing protocols, traffic engineering, policy, policing, monitoring, and configuration management. Junos OS is installed on the PTX10002-60C internal solid-state drives (SSDs). The PTX10002-60C has 2 x 64-GB SSDs. The Routing Engine is enhanced by a 2.5-GHz quad core Intel CPU and 32 GB of SDRAM.

  • Forwarding operations are performed by the Packet Forwarding Engines, which include custom ASICs designed by Juniper Networks. The Q5 ASICs enable the PTX10002-60C to provide up to 6 terabits per second (Tbps) of throughput. The Q5 ASICs are connected to Hybrid Memory Cubes (HMCs). These high-efficiency memory modules provide packet buffering, virtual output queue (VOQ) memory, and improved logical system scale.

Cooling and Power

The cooling system in a PTX10002-60C consists of three 80-W fan modules that operate at 150 cubic feet per minute (CFM) at full speed as well as fans housed in the power supplies. Each fan module has dual counter-rotating fans. These fan modules can be hot-swapped and hot-inserted, meaning that you do not need to power off the router or disrupt the routing function to replace a module.

In the PTX10002-60C cooling system, cool air enters through the vents in the port panel and hot air exhausts through the field-replaceable unit (FRU) panel. This type of airflow is known as airflow out or port-to-FRU airflow.

The four AC or DC 1600-W power supplies are installed by the factory. See Figure 2 for an example of the PTX10002-60C FRU panel. Each power supply provides 12-VDC output with a standby voltage of 12-VDC. The AC or DC power supplies in a PTX10002-60C are hot-removable and hot-insertable FRUs.

Figure 2: PTX10002-60C FRU PanelPTX10002-60C FRU Panel

System Software

PTX Series devices use the Junos operating system (OS), which provides Layer 2 and Layer 3 switching, routing, and security services. Junos OS is installed on the PTX10002-60C 25-gigabyte (GB) internal NAND solid state flash drive. The same Junos OS code base that runs on PTX10002-60C also runs on all Juniper Networks EX Series switches, and M Series, MX Series, and T Series routers.

For more information about which features are supported on PTX Series devices, see Feature Explorer.

You manage the router using the Junos OS command-line interface (CLI), which is accessible through the console and out-of-band management ports on the device.

Port Panel and Management Panel

The PTX10002-60C port panel has 60 network ports and port LEDs. The management panel contains console and management ports, a reset button, system status LEDs, clocking ports, and a USB port. Figure 3 shows the PTX10002-60C port panel and management panel.

Figure 3: PTX10002-60 Port Panel and Management PanelPTX10002-60 Port Panel and Management Panel
  1

Port panel

  2

Management panel

Each of the 60 network ports support quad small-form factor pluggable (QSFP+ and QSFP28) transceivers. The interfaces on a PTX10002-60C can be configured to support 10-Gbps, 40-Gbps, and 100-Gbps port speeds. Table 1 lists the maximum number of ports for each interface type supported by the PTX10002-60C.

Table 1: Maximum Supported Ports at Each Interface Speed

Interface Type

Maximum Supported Ports

10-Gigabit Ethernet

192

40-Gigabit Ethernet

60

100-Gigabit Ethernet

60

You manage the PTX10002-60C by using the Junos OS CLI, which is accessible through the console and out-of-band management ports on the management panel. In addition, the management panel has system status LEDs that alert you to minor or major alarms or other issues with the router, external clock synchronization ports, and a USB port to support software installation and recovery.

Field-Replaceable Units Panel

The field-replaceable units (FRU) panel of the PTX10002-60C contains the fan modules, power supplies, and ESD grounding point for the PTX10002-60C. The PTX10002-60C FRUs are hot-removable and hot-insertable—you can remove and replace them without powering off the PTX10002-60C or disrupting the routing function. Figure 4 shows the PTX10002-60C FRU panel.

Figure 4: PTX10002-60C FRU PanelPTX10002-60C FRU Panel
  1

Power supplies (4)

  3

ESD point

  2

Fan modules (3)

 

Table 2 lists the model numbers and CLI output for PTX10002-60C FRUs.

Table 2: PTX10002-60C FRUs and Spares

Component

Spare Juniper Model Number

CLI Output

Chassis

PTX10002-CHAS-S

PTX10002-60C

Fan module

PTX10002-FAN-S

PTX10002-60C Fan Tray, Front to Back Airflow - AFO

Power supplies

JPSU-1600W-AC-AFO

AC AFO 1600W PSU

JPSU-1600W-DC-AFO

DC AFO 1600W PSU

For more information about the components on the FRU panel, see PTX10002-60C Cooling System Description and Airflow and PTX10002-60C Power System.

Note:

If you have a Juniper Care service contract, register any addition, change, or upgrade of hardware components at https://www.juniper.net/customers/support/tools/updateinstallbase/. Failure to do so can result in significant delays if you need replacement parts. This note does not apply if you replace existing components with the same type of component.

PTX10002-60C Component Redundancy

The following hardware components provide redundancy on the PTX10002-60C:

  • Cooling system—The PTX10002-60C has three fan modules. Each fan module is a redundant unit containing two fans. If a fan module fails and the remaining fan modules are unable to keep the PTX10002-60C within the desired temperature thresholds, chassis alarms are raised and the PTX10002-60C might shut down.

  • Power supplies

    As shown in Table 3, the PTX10002-60C can operate with a single DC input power supply or a single AC input power supply for 220VAC operation. A minimum of two AC power supplies are required to operate the PTX10002-60C at 110VAC.

    CAUTION:

    When running the switch in non-redundant mode, install a power supply cover (PTX10002-PWR-BLNK) in any unused power bays for safety, cooling, and emissions control.

    The recommended configuration is to run the switch with twice as much power as needed, also called 2N, for full power redundancy. To provide additional power for switch redundancy or feed-redundancy, see Table 3.

    Table 3: Available Power Redundancy Options

    Model

    Power

    Non-redundant (N)

    2N or Dual Feed

    PTX10002-60C

    220 VAC

    1

    2

    For power feed redundancy, connect power source feed A to power supplies 0 or 1 and connect power source feed B to power supplies 2 or 3. The remaining slots should be covered with a power supply cover.

    110 VAC

    2

    4

    For power feed redundancy, connect power source feed A to power supplies 0 and 1 and connect power source feed B to power supplies 2 and 3.

    PTX10002-60C-DC

    DC

    1

    2

    For power feed redundancy, connect power source feed A to power supplies 0 or 1 and connect power source feed B to power supplies 2 or 3. The remaining slots should be covered with a power supply blank cover.

PTX10002-60C Optics and Cables

The PTX10002-60C supports the following types of optics and cables:

  • 100-Gigabit Ethernet using 28-Gbps QSFP28 optical transceivers and 100-Gbps active optical cables (AOCs).

  • 40-Gigabit Ethernet using QSFP+ optical transceivers, 40-Gbps AOCs, or 40-Gbps direct attach copper (DAC) cables.

  • 10-Gigabit Ethernet using DAC breakout cables (DACBO). When configured for channelization, a breakout cable converts the 40-Gigabit Ethernet port into 4 independent 10-Gigabit Ethernet ports.

For a detailed list of supported optical transceivers and electrical cables, see The Hardware Compatibility Tool.