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Cisco Nexus 3550-T Hardware Installation Manual
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Cisco Nexus 3550-T Hardware Installation Manual

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Cisco Nexus 3550-T Hardware Installation Guide
First Published: 2021-07-26
Americas Headquarters
Cisco Systems, Inc.
170 West Tasman Drive
San Jose, CA 95134-1706
USA
http://www.cisco.com
Tel: 408 526-4000
800 553-NETS (6387)
Fax: 408 527-0883

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Summary of Contents for Cisco Nexus 3550-T

  • Page 1 Cisco Nexus 3550-T Hardware Installation Guide First Published: 2021-07-26 Americas Headquarters Cisco Systems, Inc. 170 West Tasman Drive San Jose, CA 95134-1706 http://www.cisco.com Tel: 408 526-4000 800 553-NETS (6387) Fax: 408 527-0883...
  • Page 2 © 2021 Cisco Systems, Inc. All rights reserved.

  • Page 3: Table Of Contents

    Preparing to Install the Chassis Unpacking and Inspecting the Chassis Mount the Cisco Nexus 3550-T Programmable Switch Platform Mount the Cisco Nexus 3550-T Programmable Switch Platform with Rear Support Rails Installing a 1 (RU) Chassis in a Two-Post Rack Grounding the Chassis...
  • Page 4 Rebooting a Switch A P P E N D I X A Spare Parts Table Spares Support Table A P P E N D I X B LEDs Chassis LEDs Fan LEDs Power Supply LEDs Cisco Nexus 3550-T Hardware Installation Guide...

  • Page 5: Overview

    Hardware Architecture of the Cisco Nexus 3550-T Triton Switches, on page 2 Overview of the Cisco Nexus 3550-T Triton Switches The Cisco Nexus 3550-T Programmable Switch Platform is a powerful top-of-rack Ethernet switch and application platform with a unique low-latency design. It offers comprehensive layer 2 and layer 3 switching capabilities.

  • Page 6: Hardware Architecture Of The Cisco Nexus 3550-T Triton Switches

    Xilinx Virtex UltraScale+ HBM xcvu35p-fsvh2892-3-e. The X86 processor in the Nexus 3550-T Triton platform is an Intel Atom C3708 SoC, built into a third-party System on Module (SoM). The CPU features 8 cores, running at 1.7Ghz with 16MB of cache. There is 16GB of DDR4 Memory on the SoM, and the system boots from an M.2 NVMe SSD drive, with 128GB of...
  • Page 7 Cisco Nexus 3550-T Programmable Network Platform hardware architecture The Cisco Nexus 3550-T Triton platform has a Xilinx Virtex Ultrascale Plus FPGA (XCVU35P-3e), 48 10G capable SFP ports and an Intel Atom CPU. A firmware development kit is available from Cisco, enabling users with FPGA development capability to implement custom FPGA functionality in the XCVU35P-3e FPGA of the Cisco Nexus 3550-T Triton.
  • Page 8 The following figure shows the fan-side chassis features that you use when installing the chassis or replacing its modules. Figure 5: Fan-Side View of the Cisco Nexus 3550-T Triton Chassis Fan modules (1 and 1) AC power supply (2 and The following figure shows the port-side chassis features that you use when installing the chassis or replacing its modules.

  • Page 9: Preparing The Site

    To prevent contaminant buildup and increased internal chassis temperatures, make sure that the operating environment is as clean as possible and free of dust and other contaminants. Do not permit smoking, food, or drinks near the switch. Cisco Nexus 3550-T Hardware Installation Guide...
  • Page 10 Preparing the Site Dust and Contaminants Cisco Nexus 3550-T Hardware Installation Guide...

  • Page 11: Installing The Chassis

    Mount the Cisco Nexus 3550-T Programmable Switch Platform, on page 13 • Mount the Cisco Nexus 3550-T Programmable Switch Platform with Rear Support Rails, on page 14 • Installing a 1 (RU) Chassis in a Two-Post Rack, on page 15 •...
  • Page 12 4. Air flowInstall the Nexus 3550-T in the rack in a way that provides sufficient air flow for safe operation. 5. Mechanical loadingMount the Nexus 3550-T in the rack with a mechanical load that is evenly distributed and not excessive.
  • Page 13 Installing the Chassis Safety Power Check that your Nexus 3550-T is rated to be used with the mains power in your country.Total Nexus 3550-T rating: • 90-264V AC @ 6A max, 47/63 Hz Before servicing Disconnect the two power supply cables before servicing.

  • Page 14: Installation Options With Rack-Mount Kits, Racks, And Cabinets

    You can install the switch using the following 1 (RU) rack-mount options: • Rack-mount kit (NXK-ACC-KIT-1RU) which you can order from Cisco. This option offers you easy installation, greater stability, increased weight capacity, added accessibility, and improved removability with front and rear removal.
  • Page 15 Caut i o n Avoid UPS types that use ferroresonant technology. These UPS types can become unstable with systems such as the Cisco Nexus 3550-T Triton switches. These switches can have substantial current draw fluctuations because of fluctuating data traffic patterns.
  • Page 16 • Grounding cable (6 AWG recommended), sized according to local and national installation requirements; the required length depends on the proximity of the switch to proper grounding facilities • Crimping tool large enough to accommodate the girth of the grounding lug • Wire stripping tool Cisco Nexus 3550-T Hardware Installation Guide...

  • Page 17: Unpacking And Inspecting The Chassis

    • Port-side exhaust airflow direction indicated with blue coloring Mount the Cisco Nexus 3550-T Programmable Switch Platform Since the power supplies and fans add significant weight to the Nexus 3550-T, We recommend that the system is rack mounted prior to installing them.

  • Page 18: Mount The Cisco Nexus 3550-T Programmable Switch Platform With Rear Support Rails

    1. Clip the supplied-mounting nuts into the rack as shown, noting the gap of one notch between the nuts. 2. One person holds the Nexus 3550-T, aligning the front panel of the Nexus 3550-T with the nuts. 3. The second person affixes the washers and bolts to each of the four mounting holds on the front panel of the Nexus 3550-T, securely fastening them to the nuts.

  • Page 19: Installing A 1 (Ru) Chassis In A Two-Post Rack

    3. Slowly rack the Nexus 3550-T by sliding back onto the rails, until the front is flush with the rack. 4. Fasten the Nexus 3550-T onto the rack as per the method for installing the front mount bolts. Due to the Nexus 3550-T's weight, the installation might be easier with the aid of another person.
  • Page 20 • If the switch has port-side exhaust modules (fan modules with blue coloring), position the switch so that its fan and power supply modules will be in the cold aisle. b) Position the bracket so that four of its screw holes are aligned to the screw holes on the side of the chassis. Cisco Nexus 3550-T Hardware Installation Guide...
  • Page 21 Rear-mounting position Front-mounting position Number-8 Philips flat-head screws (4 each bracket) c) Secure the bracket to the chassis using four Number-8 Philips flat-head screws and tighten each screw to 12 in-lb (1.36 N·m) of torque. Cisco Nexus 3550-T Hardware Installation Guide...

  • Page 22: Grounding The Chassis

    You can also ground the chassis, which is required if the rack is not grounded, by attaching a customer-supplied grounding cable. Attach the cable to the chassis grounding pad and the facility ground. Cisco Nexus 3550-T Hardware Installation Guide...
  • Page 23 Step 3 Secure the grounding lug to the chassis grounding pad with two M4 screws, see the previous figure. Tighten the screws to 11 to 15 in-lb (1.24 to 1.69 N·m) of torque. Cisco Nexus 3550-T Hardware Installation Guide...

  • Page 24: Starting The Switch

    If not green, try removing the module part way from its slot and reinstalling it. • System Status LED—lit and green (if this LED is orange or red, then one or more environmental monitors is reporting a problem.) Cisco Nexus 3550-T Hardware Installation Guide...
  • Page 25 Installing the Chassis Starting the Switch • Link LEDs for the Ethernet connector—Off Cisco Nexus 3550-T Hardware Installation Guide...
  • Page 26 Installing the Chassis Starting the Switch Cisco Nexus 3550-T Hardware Installation Guide...

  • Page 27: Rack Specifications

    See below. The cabinet or rack must also meet the following requirements: • The minimum vertical rack space per Cisco Nexus 3000 Series switch chassis must be one RU (rack units), equal to 1.75 inches (4.4 cm). • The width between the rack-mounting rails must be at least 17.75 inches (45.0 cm) if the rear of the device is not attached to the rack.

  • Page 28: About Requirements For Perforated Cabinets

    • The roof should be perforated with at least a 20-percent open area. • The cabinet floor should be open or perforated to enhance cooling. The Cisco R Series rack conforms to these requirements. About Requirements for Open Racks In addition to the requirements listed in the “General Requirements for Cabinets and Racks” section on page...

  • Page 29: Connecting The Switch To The Network

    The console port on the switch is an RS-232 port with an RJ-45 interface. This is an asynchronous (async) serial port; any device connected to this port must be capable of asynchronous transmission. Cisco Nexus 3550-T Hardware Installation Guide...
  • Page 30 Connect the RJ-45 connector of the console cable to the console port as shown in the following figure: Figure 10: Connecting a Console Cable to the Switch Step 4 Connect the DB-9 connector on the other end of the cable to the computer serial port. Cisco Nexus 3550-T Hardware Installation Guide...

  • Page 31: Connecting The Management Interface

    The transceivers used with many fiber-optic cables come separated from their cables. To prevent damage to the fiber-optic cables and their transceivers, we recommend that you keep these transceivers disconnected Cisco Nexus 3550-T Hardware Installation Guide...

  • Page 32: Installing Sfp+ And Sfp Transceivers

    Attach an ESD-preventive wrist strap and follow its instructions for use. Step 2 Remove the dust cover from the port cage. Step 3 Remove the dust cover from the port end of the transceiver. Step 4 Insert the transceiver into the port as follows: Cisco Nexus 3550-T Hardware Installation Guide...

  • Page 33: Installing Sfp+ And Sfp Optical Cables

    If you cannot install the cable into the transceiver, insert or leave the dust plug in the cable end of the transceiver. For instructions on verifying connectivity, see the appropriate Cisco Nexus 3550-T Triton Configuration Guide. Maintaining Transceivers and Optical Cables Transceivers and fiber-optic cables must be kept clean and dust free to maintain high signal accuracy and prevent damage to the connectors.

  • Page 34: Connecting To Transceivers

    The remaining 8 transceivers are connected to the Intel Atom CPU through a PCI Express (PCIe) interface. The following diagram shows where the transceivers used for Ethernet and PCIe are located in the FPGA. Cisco Nexus 3550-T Hardware Installation Guide...

  • Page 35: Connecting Interface Ports To Other Devices

    Connecting the Switch to the Network Connecting Interface Ports to Other Devices Figure 11: The Cisco Nexus 3550-T Triton FPGA transceiver layout Connecting Interface Ports to Other Devices There is a high speed PCIe interface between the Atom x86 CPU and FPGA module, which is capable of approximately 50Gb/s when configured in Gen3 x8 mode.
  • Page 36 Connecting the Switch to the Network High-Bandwidth Memory Cisco Nexus 3550-T Hardware Installation Guide...

  • Page 37: Management Setup

    Management Setup, on page 33 Management Setup The Cisco Nexus 3550-T Programmable Switch Platform features a console port, a Micro USB port, and a 1Gb RJ45 port, all of which can be used as management interfaces. The factory default setting of the Nexus 3550-T has one user:...
  • Page 38 Micro USB Port The Micro USB port may also be used as a management interface. Connecting a Micro USB cable will allow hosts to connect via this port as if they were connecting over serial. Cisco Nexus 3550-T Hardware Installation Guide...

  • Page 39: Rebooting

    Step 2 Use the copy running-config startup-config command to save the running configuration. Example: switch(config)# copy running-config startup-config Step 3 Use the reload command to reload the switch. Example: switch(config)# reload Cisco Nexus 3550-T Hardware Installation Guide...
  • Page 40 Rebooting Rebooting a Switch Cisco Nexus 3550-T Hardware Installation Guide...

  • Page 41: Spare Parts Table

    Cisco Nexus 3550-T Triton switch features a console port, a Micro USB port, and a 1G RJ45 port, which can be used as management interfaces. Table 2: Cisco Nexus 3550-T Triton, Release 10.1(2t)Triton Fan Trays and Power Supplies Product ID Description...
  • Page 42 Nema 5-15P to C13. Length: 6 Feet/19.6 Meters CAB-C13-C14-2M-JP Power cable - IEC 60320 C13 to IEC 60320 C14 - 6.6 ft CP-PWR-CORD-SA AC Power Supply Cord South Africa CP-PWR-CORD-TW AC Power Supply Cord Taiwan Cisco Nexus 3550-T Hardware Installation Guide...

  • Page 43: Leds

    Management Ports and Indicators Several device-management indicators and connectors are available on the right hand side of the front panel of the Cisco Nexus 3550-T Programmable Switch Platform. Figure 1 shows these connectors and indicators. Cisco Nexus 3550-T Hardware Installation Guide...
  • Page 44 Fan Status • Green if all fan modules are operating correctly. • Red if a fault is detected in one or more fan modules. System Status • Green if the management software has no errors. Cisco Nexus 3550-T Hardware Installation Guide...
  • Page 45 • Green if both power supply modules are operating correctly. • Red if a fault is detected in one or more power supply modules. This table provides information about chassis LEDs for Cisco Nexus 3550-T Triton switches. Cisco Nexus 3550-T Hardware Installation Guide...
  • Page 46 The module is not receiving power. On (amber) The module is booting or running diagnostics. The switch is overheating. The temperature threshold has been exceeded by a small value during environmental monitoring. Blinking (amber) Cisco Nexus 3550-T Hardware Installation Guide...

  • Page 47: Fan Leds

    The module has a runtime failure and is brought offline. Fan LEDs This table provides information about fan LEDs for Cisco Nexus 3550-T Triton switches. Component Status Description Status Solid on (green) All diagnostics pass. The module is operational.

  • Page 48: Power Supply Leds

    LEDs Power Supply LEDs Power Supply LEDs Power Supply Ports and Indicators This table provides information about power supply LEDs for Cisco Nexus 3550-T Triton switches. Component Status Description Power supply OK (green) Solid on Power supply is on and okay.

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