H3C S12500R-2L Manuale utente

Contents

1 Preparing for installation··········································································1-1

Safety recommendations ································································································································1-1

General safety recommendations···········································································································1-1

Electricity safety······································································································································1-1

Moving safety··········································································································································1-1

ESD prevention·······································································································································1-2

Laser safety·············································································································································1-2

Examining the installation site·························································································································1-2

Weight support········································································································································1-2

Temperature············································································································································1-2

Humidity··················································································································································1-3

Cleanliness··············································································································································1-3

EMI··························································································································································1-3

Grounding ···············································································································································1-4

Power······················································································································································1-4

Cooling····················································································································································1-4

Space······················································································································································1-5

Installation accessories···························································································································1-5

1-1

1 Preparing for installation

Safety recommendations

To avoid possible bodily injury and equipment damage, read Compliance and Safety Manual

provided with the device and all safety recommendations in this chapter carefully before installation.

The recommendations do not cover every possible hazardous condition.

General safety recommendations

•

Keep the device clean and dust-free.

•

Do not place the device on a moist area, and avoid liquid flowing into the device.

•

Make sure the ground is dry and flat and anti-slip measures are in place.

•

Keep the device and installation tools away from walk areas.

•

Do not wear loose clothing, jewelry (for example, necklace) or any other things that could get

caught in the device when you install and maintain the device.

Electricity safety

•

Clear the work area of possible electricity hazards, such as ungrounded power extension

cables, missing safety grounds, and wet floors.

•

Locate the emergency power-off switch in the room before installation so you can quickly shut

power off when an electrical accident occurs.

•

Remove all external cables, including power cords, before moving the chassis.

•

Do not work alone when the device has power.

•

Before performing a task that is hazardous when power is present, make sure the device is

completely powered off.

Moving safety

WARNING

Do not hold the handle of

a fan tray, a power supply, or a module, or the air vents of the chassis

move the

device. Any attempt to move the device with these parts might

cause equipment damage

and even bodily injury.

Remove power supplies, modules, and all external cables, including the power cords, before moving

the chassis. As a best practice, use a mechanical lift, such as forklift truck, to move the chassis.

If no mechanical lift is used, follow these guidelines to move the chassis:

•

Cooperate with multiple people to move the chassis.

•

Lift the chassis by using the chassis handles or by supporting the bottom from the two sides.

•

Lift and put down the chassis slowly and never move suddenly.

1-2

ESD prevention

To prevent the electric component from being damaged by electrostatic discharge (ESD), follow

these guidelines:

•

Ground the device reliably. For how to ground your device, see "Grounding the device."

•

Always wear an ESD wrist strap and make sure it is reliably grounded when installing

removable components. For how to use an ESD wrist strap, see "Attaching an ESD wrist strap."

•

Hold a module by its edges. Do not touch electronic components or the printed circuit board

directly with your hands.

•

If you are not to use a module, put it in an antistatic bag and keep it secure.

Laser safety

WARNING

Disconnected optical fibers or transceiver

modules might emit invisible laser light. Do not stare into

beams or view directly with optical instruments when the device is operating.

The device is a Class 1 laser product.

Examining the installation site

The device must be used indoors. To ensure correct operation and long service life of your device,

make sure the installation site meets the following requirements.

Weight support

Make sure the floor or ground at the installation site can support the combined weight of the device

and the rack. The total weight of the device includes the chassis and its components (for example,

modules and power supplies) and accessories. For the weights of the device and its components,

see "Weights and dimensions."

To mount the device in a rack, select slide rails that can support the total weight of the device.

To assess the load-bearing requirements for the floor and slide rails, take potential system expansion

(for example, adding more modules) also in consideration.

Temperature

CAUTION:

If condensation appears on the chassis when you move it to a high

-temperature environment, dry

the chassis before powering it on to avoid short circuits.

If the temperature in the equipment room is too high, too low, or changes dramatically, the device

reliability is reduced and its service lifetime is shortened. For long-term, highly available operation of

the device, make sure temperature and humidity in the equipment room meets the requirements

described in Table1-1.

Table1-1 Temperature requirements

Temperature Range

Operating temperature 0°C to 40°C (32°F to 104°F)

1-3

Temperature Range

Storage temperature –40°C to +70°C (–40°F to +158°F)

Humidity

Maintain appropriate humidity in your equipment room, as described in Table1-2.

•

Lasting high relative humidity can cause poor insulation, electricity leakage, mechanical

property change of materials, and metal corrosion.

•

Lasting low relative humidity can cause washer contraction and ESD and cause problems

including loose mounting screws and circuit failure.

Table1-2 Humidity requirements

Humidity Range

Operating humidity 5% to 95%, noncondensing

Storage humidity 5% to 95%, noncondensing

Cleanliness

Dust buildup on the chassis might result in electrostatic adsorption, which causes poor contact of

metal components and contact points. In the worst case, electrostatic adsorption can cause

communication failure.

Table1-3 Dust concentration limit in the equipment room

Substance Concentration limit (particles/m3)

Dust particles ≤ 3 x 104

(No visible dust on desk in three days)

NOTE:

Dust particle diameter ≥ 5 µm

The equipment room must also meet limits on salts, acids, and sulfides to eliminate corrosion and

premature aging of components, as shown in Table1-4.

Table1-4 Harmful gas limits in the equipment room

Gas Max. (mg/m3)

SO20.2

H2S 0.006

NH30.05

Cl20.01

EMI

All electromagnetic interference (EMI) sources, from outside or inside of the device and application

system, adversely affect the device in the following ways:

•

A conduction pattern of capacitance coupling.

1-4

•

Inductance coupling.

•

Electromagnetic wave radiation.

•

Common impedance (including the grounding system) coupling.

To prevent EMI, perform the following tasks:

•

If AC power is used, use a single-phase three-wire power receptacle with protection earth (PE)

to filter interference from the power grid.

•

Keep the device far away from radio transmitting stations, radar stations, and high-frequency

devices.

•

Use electromagnetic shielding, for example, shielded interface cables, when necessary.

Grounding

Using a good grounding system to protect your device against lightning shocks, interferences, and

ESD is essential to the operating reliability of your device.

Make sure the equipment room grounding network has a resistance value less than 1 ohm.

For more information about grounding the device, see "Grounding the device."

Power

Perform the following tasks to provide power as required by the device:

1. Calculate the system power consumption.

The system power consumption varies by module types and quantities. For more information

about the system power consumption, see "Module power consumption and system power

consumption."

2. Identify the number of power supplies based on the system power consumption.

The total maximum output power of all power supplies must be higher than the system power

consumption. For more information about available power supplies, see "Power supplies."

3. Verify that the power system at the installation site meets the requirements of the power

supplies, including the input method and rated input voltage. For more information about power

supply specifications, see "Power supplies."

Cooling

Plan the installation site for adequate ventilation:

•

Reserve a minimum clearance of 30 cm (11.81 in) around the inlet and outlet air vents.

•

The rack for the device has a good cooling system.

•

The installation site has a good cooling system.

•

Verify that the airflow of the chassis match that at the installation site.

1-5

Figure1-1 Airflow through the device

(1) Chassis air intake direction

(2) Chassis air exhaust direction

Space

For easy installation and maintenance, follow these space requirements:

•

Reserve a minimum clearance of 1.2 m (3.94 ft) between the rack and walls or other devices.

•

Make sure the rack has enough space to accommodate the device. See Table1-5 for rack

requirements.

For more information about chassis dimensions, see "Weights and dimensions."

Table1-5 Device dimensions and rack requirements

Model Chassis dimensions Rack requirements

S12500R-2L

•Height—133 mm (5.24 in)/3 RU

•Width—440 mm (17.32 in)

•Chassis depth—895 mm (35.24 in)

•Total depth—1013 m (39.88 in)

104 mm (4.09 in) from the rack-facing

surface of the mounting brackets to the

front ends of the cable management

brackets

909 mm (35.79 in) from the rack-facing

surface of the mounting brackets to the

power supply handles at the chassis rear

•Aminimum of 1.1 m (3.61 ft)

in depth (recommended)

•Aminimum of 130 mm (5.12

in) between the front rack

post and the front door.

•A minimum of 950 mm

(37.40 in) between the front

rack post and the rear door.

NOTE:

As a best practice, use a rack that has a single door at the front.

Installation accessories

Before installation, make sure you have all the required installation accessories.

1-6

Table1-6 Installation accessories

Product code Description Quantity

2150A0D6

S12500R-2L mounting brackets

1 pair

2113A1P2

S12500R-2L supervisor engine unit (SEU, also

called MPU) filler panel

2113A0YV

S12500R-2L interface module filler panel

2124A01H

S12500R-2L interface module protective blank

panel

2114A0A4

S12500R-2L power supply filler panel

2150A0AB

S12500R-2L cable management bracket

•26020141

•26020075

M6 screw and cage nut

4 kits

0404A0EE

Grounding cable

28050001 ESD wrist strap 1

1-7

Product code Description Quantity

04042967

Console cable

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