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Unpacking and Inspecting the Chassis

When handling switch components, such as fan or power supply modules, wear a grounded ESD strap and
handle the modules by their carrier edges only. To ground the ESD strap, make sure that it is attached to an
earth ground, a grounded chassis, or a grounded rack.

Caution

Keep the shipping container in case the chassis requires shipping in the future.

Tip

The switch is thoroughly inspected before shipment. If any damage occurred during transportation or any
items are missing, contact your customer service representative immediately.

Note

To inspect the switch, follow these steps:

Step 1

Compare the shipment to the equipment list provided by your customer service representative and verify that you have
received all items.

Step 2

Check for damage and report any discrepancies or damage to your customer service representative. Have the following
information ready:

• Invoice number of shipper (see the packing slip)

• Model and serial number of the damaged unit

• Description of damage

• Effect of damage on the installation

• Photos of the damaged shipping containers and damaged product

Step 3

For duel direction airflow switches, check to be sure that all of the fan and power supply modules have the same airflow
direction.

• Port-side intake airflow direction indicated with burgundy coloring

• 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.

Cisco Nexus 3550-T Hardware Installation Guide

13

Installing the Chassis

Unpacking and Inspecting the Chassis

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Summary of Contents for Nexus 3550-T

Page 1: ... 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 ...

Page 2: ... 2021 Cisco Systems Inc All rights reserved ...

Page 3: ...nt Kits Racks and Cabinets 10 Preparing to Install the Chassis 10 Unpacking and Inspecting the Chassis 13 Mount the Cisco Nexus 3550 T Programmable Switch Platform 13 Mount the Cisco Nexus 3550 T Programmable Switch Platform with Rear Support Rails 14 Installing a 1 RU Chassis in a Two Post Rack 15 Grounding the Chassis 18 Starting the Switch 20 Rack Specifications 23 C H A P T E R 4 General Requi...

Page 4: ...Optical Cables 29 Maintaining Transceivers and Optical Cables 29 Connecting to Transceivers 30 Connecting Interface Ports to Other Devices 31 High Bandwidth Memory 31 Management Setup 33 C H A P T E R 6 Management Setup 33 Rebooting 35 C H A P T E R 7 Rebooting a Switch 35 Spare Parts Table 37 A P P E N D I X A Spares Support Table 37 LEDs 39 A P P E N D I X B Chassis LEDs 39 Fan LEDs 43 Power Sup...

Page 5: ...s and fixes as well as a complete firmware development environment for custom applications Figure 1 The Cisco Nexus 3550 T Triton The hardware platform specifications of the Nexus 3550 T are as follows 1RU 48 port SFP28 Small Form factor Pluggable 28 configuration backwards compatible with SFP and SFP Dual redundant hot swap PSUs and dual hot swap fans Build using a Xilinx Virtex Ultrascale Plus V...

Page 6: ...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 non volatile storage There is a spare unpopulated M 2 drive bay available A block diagram of the Nexus 3550 T Triton platform is given below Figure 2 Nexus 3550 T Triton Hardware A...

Page 7: ...th FPGA development capability to implement custom FPGA functionality in the XCVU35P 3e FPGA of the Cisco Nexus 3550 T Triton Figure 4 The Cisco Nexus 3550 T Programmable Switch Platform Architecture The FPGA module can run host of multiple firmware personalities Currently the following firmware versions are available 10G Layer 3 switch firmware With this firmware the device operates as a 48 port ...

Page 8: ...s modules Figure 5 Fan Side View of the Cisco Nexus 3550 T Triton Chassis AC power supply 2 and 2 2 Fan modules 1 and 1 1 The following figure shows the port side chassis features that you use when installing the chassis or replacing its modules Figure 6 Port Side View of the Cisco Nexus 3550 T Triton Chassis 48 fixed small form factor pluggable SFP ports 2 Management Console and USB ports 1 Pleas...

Page 9: ...ings cooled with air conditioning during warm months and warmed during cold months usually maintain an acceptable level of humidity However if the site is unusually humid use a dehumidifier to maintain the required humidity level Altitude Requirements High altitude low pressure conditions outside of 0 to 10 000 feet 0 to 3050 m can reduce the cooling efficiency and cause electrical problems Dust a...

Page 10: ...Cisco Nexus 3550 T Hardware Installation Guide 6 Preparing the Site Dust and Contaminants ...

Page 11: ...e you install operate or service the switch see the Regulatory Compliance and Safety Information for the Cisco Nexus 3550 T Triton for important Safety Information Statement 1071 Warning Definition IMPORTANT SAFETY INSTRUCTIONS Before you work on any equipment be aware of the hazards involved with electrical circuitry and be familiar with standard practices for preventing accidents Read the instal...

Page 12: ...njury or death For proper installation and grounding of the antenna please refer to national and local codes e g U S NFPA 70 National Electrical Code Article 810 Canada Canadian Electrical Code Section 54 Caution 3 Ambient temperature Make sure the ambient temperature does not exceed the maximum ambient temperature allowed for the Cisco Nexus 3550 T Programmable Switch Platform 104F 40C If install...

Page 13: ...au laser no 56 daté du 8 mai 2019 21 CFR 1040 Caution To reduce risk of electric shock or fire installation of the equipment must comply with local and national electrical codes This equipment must be grounded To reduce the risk of electric shock the power cord plug or combination must be connected to a properly grounded electrode outlet or terminal Verification of the protective earthing of the s...

Page 14: ...rder from Cisco Rack mount kit N3K C3064 ACC KIT which you can order from Cisco You can install the switch in the following types of racks Open EIA rack Perforated EIA cabinet The rack or cabinet that you use must meet the requirements listed the in General Requirements and Guidelines for Cabinets and Racks on page 23 section You are responsible for verifying that your rack and rack mount hardware...

Page 15: ...void 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 Caution Ensure that circuits are sized according to local and national codes For North America the power supply requires a 15 A or 20 A circuit To p...

Page 16: ...the kits shipped with the switch Eight customer supplied 12 24 or 10 32 screws required for attaching slider rails and mounting bracket to the mounting rails Number 1 and number 2 Philips screwdrivers with torque capability 3 16 inch flat blade screwdriver Tape measure and level ESD wrist strap or other grounding device wrist strap can be found in the accessory kit Antistatic surface large enough ...

Page 17: ...ll items Step 2 Check for damage and report any discrepancies or damage to your customer service representative Have the following information ready Invoice number of shipper see the packing slip Model and serial number of the damaged unit Description of damage Effect of damage on the installation Photos of the damaged shipping containers and damaged product Step 3 For duel direction airflow switc...

Page 18: ...he front panel of the Nexus 3550 T securely fastening them to the nuts Mount the Cisco Nexus 3550 T Programmable Switch Platform with Rear Support Rails The Nexus 3550 T ships with rear support rails You can add these rails to provide extra structural support for the rack system To mount the Nexus 3550 T with rear support rails perform the following steps 1 1 Fasten the rear rails at the desired h...

Page 19: ... be easier with the aid of another person Figure 9 Fasten the Nexus 3550 T in the normal manner Installing a 1 RU Chassis in a Two Post Rack This section describes the rack installation for the Cisco Nexus 3550 T Triton switch into a two post rack To install a switch you must attach mounting brackets to the switch and secure the switch to the rack Installation in racks other than 19 inch racks req...

Page 20: ...take modules fan modules with burgundy coloring position the switch so that its ports will be in the cold aisle 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 3...

Page 21: ...d screws 4 each bracket 3 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 17 Installing the Chassis Installing a 1 RU Chassis in a Two Post Rack ...

Page 22: ... and the metal surface of the enclosure or rack in which it is mounted or to a grounding conductor Electrical continuity shall be provided by using thread forming type mounting screws that remove any paint or non conductive coatings and establish a metal to metal contact Any paint or other non conductive coatings shall be removed on the surfaces between the mounting hardware and the enclosure or r...

Page 23: ...ove approximately 0 75 inch 19 mm of the covering from the end of the grounding wire We recommend 6 AWG wire for the U S installations Step 2 Insert the stripped end of the grounding wire into the open end of the grounding lug Use a crimping tool to crimp the lug to the wire see the following figure Verify that the ground wire is securely attached to the grounding lug by attempting to pull the wir...

Page 24: ...at the OK LED turns green and the FAULT LED is off Step 2 If the switch has HVAC power supplies connect those power supplies to a power source as follows a Using the recommended high voltage power cable for your country or region connect the Anderson Power Saf D Grid connector on the power cable to the power receptacle on the power supply Make sure that the connector clicks when fully pushed into ...

Page 25: ... Link LEDs for the Ethernet connector Off Cisco Nexus 3550 T Hardware Installation Guide 21 Installing the Chassis Starting the Switch ...

Page 26: ...Cisco Nexus 3550 T Hardware Installation Guide 22 Installing the Chassis Starting the Switch ...

Page 27: ... four post EIA racks this measurement is the distance between the two front rails Four post EIA cabinets perforated or solid walled must meet the following requirements The minimum spacing for the bend radius for fiber optic cables should have the front mounting rails of the cabinet offset from the front door by a minimum of 3 inches 7 6 cm The distance between the outside face of the front mounti...

Page 28: ... 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 A 1 if you are mounting the chassis in an open rack no side panels or doors ensure that the rack meets the following requirements The minimum vertical rack space per chass...

Page 29: ...tations for each signal type Additional interface equipment required Connecting to a Console You can connect the switch to a console to perform the following functions Configuring the switch using the CLI Monitoring network statistics and errors Configuring SNMP agent parameters Downloading software updates We recommend that you use this port to create a local management connection to set the IP a...

Page 30: ...witch and a computer possible during setup and configuration Step 1 Configure the terminal emulator program to match each of the following default port characteristics 115200 baud 8 data bits 1 stop bit No parity Step 2 Connect the RJ 45 connector of the console cable to the console port Step 3 Connect the RJ 45 connector of the console cable to the console port as shown in the following figure Fi...

Page 31: ...5 connector used for shorter connections straight through UTP cable into the appropriate management port To connect to a router insert the RJ 45 connector on a crossover cable into the appropriate management port Step 2 Connect the other end of the cable to the switch hub or router Connecting Interface Ports to Other Devices After you perform the initial configuration for the switch and create a m...

Page 32: ...iques can be effective refer to your site s fiber optic connection cleaning procedures Do not touch the ends of connectors Touching the ends can leave fingerprints and cause other contamination Inspect routinely for dust and damage If you suspect damage clean and then inspect fiber ends under a microscope to determine if damage has occurred Statement 1051 Laser Radiation Invisible laser radiation ...

Page 33: ...o the transceiver until it clicks into place If the cable does not install easily ensure that it is correctly positioned before continuing Caution If you cannot install the cable into the transceiver insert or leave the dust plug in the cable end of the transceiver Note For instructions on verifying connectivity see the appropriate Cisco Nexus 3550 T Triton Configuration Guide Maintaining Transcei...

Page 34: ...amage If you suspect damage clean and then inspect fiber ends under a microscope to determine if damage has occurred If cable length is more than 5 meters Auto Negotiation is not supported Note Connecting to Transceivers The XCVU35P 3e FPGA has 56 28Gbps capable transceivers 48 of them are directly connected the SFP ports The remaining 8 transceivers are connected to the Intel Atom CPU through a P...

Page 35: ...e Integrated Block for PCI Express PG 213 High Bandwidth Memory There is 8 GB of High Bandwidth Memory HBM2 integrated in the FPGA for applications requiring high density and high bandwidth up to 460GB s This can be accessed using the Xilinx Integrated Memory Interface HBM IP Please refer to the AXI High Bandwidth Memory Controller v1 0 PG 276 for more information Cisco Nexus 3550 T Hardware Insta...

Page 36: ...Cisco Nexus 3550 T Hardware Installation Guide 32 Connecting the Switch to the Network High Bandwidth Memory ...

Page 37: ...ctory default setting of the Nexus 3550 T has one user admin defined with the password admin Refer to the image below for details on the connectors and indicators Console Port The console port uses an industry standard RJ45 connector commonly used for connecting to network devices via a serial port The serial port parameters are 115200 8N1 that is 115200 baud 8 data bits no parity and 1 stop bit C...

Page 38: ...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 34 Management Setup Management Setup ...

Page 39: ...py running config startup config command Note Step 1 Use the configure terminal command to enter the global configuration mode Example switch configure terminal switch config 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 rel...

Page 40: ...Cisco Nexus 3550 T Hardware Installation Guide 36 Rebooting Rebooting a Switch ...

Page 41: ...Power Supplies Description Product ID Fan module with port side exhaust airflow N35 T FAN PE Fan module with port side intake airflow N35 T FAN PI Cisco Nexus 2000 or 3000 400W AC power supply forward airflow port side exhaust N35 T PAC PI Cisco Nexus 2000 or 3000 400W AC power supply forward airflow port side exhaust N35 T PAC PE Table 3 Cisco Nexus 3550 T Triton Release 10 1 2t Triton Power Cord...

Page 42: ...tandard Power Cord Second End Connector Type IEC 320 EN 60320 C13 Current Rating 10 A CAB IND 10A This is a 10ft C13 to C14 18AWG 100 250V power cable that can be used to extend the lengths of 3 pin devices that utilize a shrouded power connector CAB C13 C14 3M IN Japan Standard AC Power Supply Cord Nema 5 15P to C13 Length 6 Feet 19 6 Meters CAB 3P JPN Power cable IEC 60320 C13 to IEC 60320 C14 6...

Page 43: ...ssis 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 39 ...

Page 44: ...cators indicate the device status as follows 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 40 LEDs LEDs ...

Page 45: ...Power Supply Status 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 41 LEDs LEDs ...

Page 46: ...er defined status for each port Customer defined states Port This port is not in use This port is unusable during breakout Off All diagnostics pass The module is operational Solid on green Status STS The module is not receiving power Off The module is booting or running diagnostics The switch is overheating The temperature threshold has been exceeded by a small value during environmental monitorin...

Page 47: ... table provides information about fan LEDs for Cisco Nexus 3550 T Triton switches Description Status LED Component All diagnostics pass The module is operational Solid on green Status Fan The module is not receiving power Off The module is booting or running diagnostics Solid on amber If the module fails during an initial reset the LED continues to blink and the module does not come online The mod...

Page 48: ...Power supply 3 3 voltage standby VSB is on but the power supply unit is not powering the other modules Blinking No power to the power supply Off Power supply failure overvoltage overcurrent or overheating Solid on FAULT amber Power is present 3 3 VSB on and the power supply is off PSU fan rotor is not functioning normally Blinking Operating normally Off Cisco Nexus 3550 T Hardware Installation Gui...

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