Dell S4048T-ON Bedienungsanleitung

Dell Networking S4048T-ON

Getting Started Guide

Regulatory Model: 6JWX4

Notes, cautions, and warnings

NOTE: A NOTE indicates important information that helps you make better use of

your computer.

CAUTION: A CAUTION indicates either potential damage to hardware or loss of data

and tells you how to avoid the problem.

WARNING: A WARNING indicates a potential for property damage, personal injury,

or death.

trademarks of Dell Inc. or its subsidiaries. Other trademarks may be trademarks of their respective

owners.

2017 - 01

Rev. A01

About this guide

This document is intended as a Getting Started Guide to get new systems up and running

and ready for conguration.

For more details about the S4048T-ON Open Networking systems, see the following

information, available on the Dell Support website—www.dell.com/support:

• The Dell Networking S4048T-ON Installation Guide describes installation and

replacement procedures.

• The Dell Networking Conguration Guide for the S4048T-ON System describes

software conguration.

• The Dell Networking Command Line Reference Guide for the S4048T-ON System

provides command line interface (CLI) information.

• The Dell Networking Release Notes for the S4048T-ON System provide information

about upgrading the S4048T-ON system.

About this guide 3

NEBS compliance

For your system to be network equipment building system (NEBS) compliant, you must

follow the instructions detailed in this chapter.

To be NEBs compliant, orient your system in the rack so that the air inlet is from the front

aisle and the air exhaust is from the rear aisle.

Important information

WARNING: The quad form-factor pluggable (QSFP), BaseT, console, Ethernet

management, and universal serial bus (USB) ports are suitable for connection to

intra-building or unexposed wiring or cabling only. You

MUST NOT

metallically

connect the ports to interfaces that connect to the out side plant (OSP) or its

wiring. Use these interfaces as intra-building interfaces only—Type 2 or Type 4 ports

as described in GR-1089-CORE, Issue 6. Also, they require isolation from the

exposed OSP cabling. Adding primary protectors is not sucient protection to

connect these interfaces metallically to OSP wiring.

WARNING: If you install and connect the S4048T-ON to a commercial AC power

source, you must connect the system to an external special protection device

(SPD).

WARNING: Use shielded intra-building cabling that is grounded at both ends for the

1/10GbE BaseT intra-building ports.

To be NEBS compliant, follow these regulations:

• Locate your system in a restricted-access area were only trained personnel are allowed

access.

• Install and connect your system to the common bonding network (CBN).

• You can also install and connect your system to the central oce.

• Connect the battery returns of your system as DC-I.

4 NEBS compliance

• Ground your system using a copper ground conductor.

• Clean and coat all bare grounding connection points on your system with an anti-oxidant

solution before making connections.

• Bring all unplated surfaces on your system to a bright nish and treat them with an anti-

oxidant solution before making connections.

• Remove any non-conductive surfaces on your system from the threads and connection

points to ensure electrical continuity.

• Use the two-hole, Listed, compression-type lug with an AWG 14 gauge wire that uses 4-

in/lb to secure your system to the frame.

NOTE: The S4048T-ON can operate at -40.5 to -60 VDC at a maximum current level

of 24A or at 100–240 VAC at a maximum current level of 7.1A.

NOTE: The S4048T-ON is Earthquake Z4-compliant when you attach the

ReadyRails to the frame using threaded hardware. Do not use the tool-less or two-

post installation methods.

NEBS compliance 5

Hardware installation

This information describes installation of the S4048T-ON system. Dell recommends

completing the installation procedures in the order presented here.

Topics:

• Operation and safety considerations

• Ground and bracket installation

• ReadyRails installation

• System installation

• Ground wire installation

• AC or DC power supply installation

• Installing a Fan Module

• Installing the SFP+ and QSFP+ Optics

• Supply Power and Power Up the System

• After Installing the S4048T-ON

Operation and safety considerations

Before installing the switch, review these operation and safety guidelines.

Review these guidelines for switch installation:

• You have enough clearance to the front of the switch so you can read the light emitting

diodes (LEDs).

• The AC power cord reaches from the power outlet to the power supply unit (PSU) side

connector.

• The switch is rack-mounted before you power it up.

• Cabling is away from sources of electrical noise, such as radios, power lines, and

uorescent lighting. Ensure that the cabling is safely away from other devices that might

damage the cables. If needed, allow one rack unit (RU) space between devices to

provide room for cabling.

6 Hardware installation

•Airow around the switch and through the vents is unrestricted.

• Temperature around the unit does not exceed 113°F (45°C). If the switch is in a closed

or multi-rack assembly, the temperature might be higher than normal room temperature.

• Humidity around the switch does not exceed 95 percent.

• Altitude at the installation site is below 10,000 feet.

• The switch is installed in an environment as free as possible from dust and foreign

conductive material; for example, metal akes from construction activities. Cooling

mechanisms, such as fans and blowers in the switch, can draw dust and other particles

causing contaminant buildup inside the chassis, which can result in system malfunction.

Review these guidelines for rack mounting:

• Rack mounting—You may either place the switch on a rack shelf or mount the switch

directly into a 19" wide, EIA-310-E- compliant rack.

• Rack loading—Overloading or uneven loading of racks may result in shelf or rack failure

that can cause damage to the equipment and possible personal injury. Stabilize racks in a

permanent location before loading begins. Mount the components starting at the bottom

of the rack, then work to the top. Do not exceed your rack load rating.

• Power considerations—Connect only to the power source specied on the unit. When

you install multiple electrical components in a rack, ensure that the total component

power ratings do not exceed the circuit capabilities. Overloaded power sources and

extension cords present re and shock hazards.

• Elevated ambient temperature—If you install the equipment in a closed rack assembly,

the operating temperature of the rack environment may be greater than the room

ambient temperature. The acceptable ambient temperature ranges are listed in Technical

Specications under Environmental Parameters.

• Reduced air ow—Install the equipment in the rack so that you do not compromise the

amount of airow required for safe operation of the switch. For proper ventilation,

position the chassis in an equipment rack or cabinet with a minimum of 5 inches (12.7

cm) of clearance around exhaust vents.

• Reverse air ow—To ensure cool air intake and to avoid hot air blow out from the I/O

side, ensure that you have the necessary clearance.

• Reliable earthing—Maintain reliable earthing of rack-mounted equipment. Pay particular

attention to the supply connections other than the direct connections to the branch

circuit; for example, use of power strips.

• Do not mount the equipment with the PSU side facing in a downward position.

NOTE: Always handle the system and its components with care. Avoid dropping the

chassis or their eld replaceable units.

Hardware installation 7

CAUTION: Always wear an electrostatic discharge (ESD)-preventive wrist or heel

ground strap when handling a system and its components. As with all electrical

devices of this type, take all necessary safety precautions to prevent injury when

installing this system. ESD damage can occur if components are mishandled.

CAUTION: Only trained and qualied personnel should install this equipment. Read

this guide before installing and powering up the system.

WARNING: This section is a condensed reference. Read the safety instructions in

your Safety, Environmental, and Regulatory information booklet before you begin.

Ground and bracket installation

Install the ground (GND) lug and bracket assembly, with a ground wire attached, before you

install the S4048T-ON switch in a rack.

Dell supplies a kit with the following:

• One two-hole UL-certied GND lug

• L-bracket

• Two at head screws to attach the lug to the bracket

• Two pan head screws to attach the assembly to the chassis

You must supply:

• A wire that complies with your local electrical codes in size and color. Typically the wire is

14 AWG, colored green or green with a yellow stripe.

• An anti-oxidant compound—Dell recommends NOALOX 4 or equivalent.

• A crimping tool.

• A thread-locker compound—Dell recommends Threadlocker Blue 242 or equivalent.

1 Attach the end of the ground wire to the GND lug:

a Coat the bare end of the wire with an anti-oxidant compound.

b Insert the end of the wire into the lug.

c Crimp the lug end to secure the connection of wire to lug.

8Hardware installation

Figure 1. Ground wire end and GND lug opening

2 Apply the thread-locker compound to the two at head screws, then attach the GND

lug to the L-bracket.

Hardware installation 9

Figure 2. Screws, GND lug, and L-bracket

3 Attach the assembly to the S4048T-ON chassis:

a Apply the thread-locker compound to the two pan head screws.

b Attach the GND lug and bracket assembly to the two-hole chassis ground

connector nuts on the S4048T-ON PSU side, tightening the screws to ensure

torque from 3–5 inch/lbs.

10 Hardware installation

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