Contents

1 Installing the device· 1

Confirming installation preparations· 1

Installation workflow· 2

Mounting the device on a workbench· 2

Installing the device in a 19-inch rack· 3

Rack-mounting procedures at a glance· 3

Chassis dimensions and rack requirements· 4

Mounting brackets, chassis rails, and grounding cable installation positions· 5

Attaching the mounting brackets and chassis rails to the chassis· 6

Connecting the grounding cable to the chassis· 7

Attaching the slide rails to the rack· 8

Mounting the device in the rack· 9

Grounding the device· 11

Grounding the device through a grounding strip· 11

Grounding the device through the rack· 12

Grounding the device with a grounding conductor buried in the earth· 13

Installing/removing fan trays· 14

Installing a fan tray· 14

Removing a fan tray· 15

Installing/removing power supplies· 16

Installing a power supply· 16

Removing a power supply· 17

Connecting the power cords· 18

Connecting an AC power cord· 18

Connecting a DC power cord· 19

Installing and removing expansion modules· 20

Installing an expansion module· 20

Removing an expansion module· 21

(Optional) Installing network port lightning protectors· 22

(Optional) Installing a surge protected power strip· 23

Verifying the installation· 23

 

1 Installing the device

	WARNING! Keep the tamper-proof seal on a mounting screw on the chassis cover intact, and if you want to open the chassis, contact Technical Support for permission. Otherwise, H3C will not be liable for any consequence caused thereby.

 

Confirming installation preparations

Before you install the device, verify that you have read "Preparing for installation" carefully and the installation site meets all the requirements.

Installation workflow

Figure1-1 Installation workflow

 

Mounting the device on a workbench

	CAUTION: Do not place heavy objects on the device.

 

If a standard 19-inch rack is not available, you can mount the device on a clean, flat workbench.

To mount the device on a workbench:

1.     Place the device upside down. Clean the recessed areas on the chassis bottom.

2.     Attach the six rubber feet to the recessed areas on the chassis bottom.

3.     Place the device on the workbench with the upside up. Make sure the six rubber feet stand firmly on the workbench.

Figure1-2 Mounting the device on a workbench

 

Installing the device in a 19-inch rack

	IMPORTANT: Keep a minimum distance of 1 U (44.45 mm, or 1.75 in) between devices in a rack for good heat dissipation.

 

Rack-mounting procedures at a glance

Figure1-3 Rack-mounting procedure

 

	NOTE: If a rack shelf is available, you can put the device on the rack shelf and slide the device to a position so that the mounting brackets make close contact with the front rack posts. Then use screws to secure the mounting brackets to the rack.

 

Chassis dimensions and rack requirements

Figure1-4 Chassis dimensions (mounting brackets installed at the port side)

(1) Power supply handle	(2) Mounting bracket

 

Figure1-5 Chassis dimensions (mounting brackets installed at the power supply side)

(1) Power supply handle	(2) Mounting bracket

 

Table1-1 Chassis dimensions and installation requirements for the rack

Installation method	Chassis dimensions	Requirements for the distance between the front and rear rack posts	Rack requirements
Mounting brackets installed at the port side	·     Height—88.1 mm (3.47 in)/2 RU ·     Width—440 mm (17.32 in) ·     Depth—776 mm (30.55 in) ¡     660 mm (25.98 in) for the chassis ¡     26 mm (1.02 in) for the power supply/fan tray handle ¡     90 mm (3.54 in) for the mounting bracket	518 to 923 mm (20.39 to 36.34 in)	To close the rack door easily after cabling the device, make sure the rack meets the following requirements for depth: ·     A minimum of 1000 mm (39.37 in) in depth (recommended) ·     A minimum of 130 mm (5.12 in) between the front rack post and the front door. ·     A minimum of 750 mm (29.53 in) between the front rack post and the rear door.
Mounting brackets installed at the power supply side	·     Height—88.1 mm (3.47 in)/2 RU ·     Width—440 mm (17.32 in) ·     Depth—750 mm (29.53 in) ¡     660 mm (25.98 in) for the chassis ¡     90 mm (3.54 in) for the mounting bracket	518 to 858 mm (20.39 to 33.78 in)

 

Mounting brackets, chassis rails, and grounding cable installation positions

The device has one mounting position near the network ports and one mounting position near the power supplies for mounting brackets.

The device provides a primary grounding point and two auxiliary grounding points. The primary grounding point has a grounding sign.

Figure1-6 Mounting brackets and grounding cable installation positions on the device

(1) Auxiliary grounding point 2
(2) Power supply-side installation position for the mounting bracket	(3) Primary grounding point
(4) Port-side installation position for the mounting bracket
(5) Auxiliary grounding point 1

 

Attaching the mounting brackets and chassis rails to the chassis

1.     Place the wide flange of the mounting bracket against the chassis side panel. Align the mounting bracket installation holes with the screw holes in the chassis. Use the provided M4 × 8 screws to attach the mounting bracket to the chassis.

As a best practice, use a torque of 12 kgf-cm (1.18 Nm) to fasten M4 screws.

¡     To install the mounting brackets at the port-side mounting position, use the four front mounting holes in the mounting brackets. See Figure1-7.

¡     To install the mounting brackets at the power supply-side mounting position, use the four rear mounting holes in the mounting brackets. See Figure1-8.

2.     Determine the installation position of the chassis rails based on the position of mounting brackets and the distance between the front and rear rack posts.

Table1-2 Chassis rail installation position

Installation method	Mounting bracket position	Distance between the front and rear rack posts	Chassis rail installation position
Port-side mounting position, as shown in Figure1-7.		675 to 923 mm (26.58 to 36.34 in)	Position a
		611 to 858 mm (24.06 to 33.78 in)	Position b
		546 to 793 mm (21.50 to 31.22 in)	Position c
		518 to 728 mm (20.39 to 28.66 in)	Position d
Power supply-side mounting position, as shown in Figure1-8.		518 to 728 mm (20.39 to 28.66 in)	Position e
		546 to 793 mm (21.50 to 31.22 in)	Position f
		611 to 858 mm (24.06 to 33.78 in)	Position g

 

3.     Place the chassis rail against the chassis side panel. Align the chassis rail installation holes with the screw holes. Use the provided M4 × 6 screws to attach the chassis rail to the chassis. See Figure1-7 and Figure1-8.

Figure1-7 Attaching the mounting brackets and chassis rails to the device (port-side mounting position for the mounting brackets)

 

Figure1-8 Attaching the mounting brackets and chassis rails to the device (power supply-side mounting position for the mounting brackets)

 

	NOTE: Use the same procedure to attach the mounting brackets and chassis rails to the two sides of the chassis.

 

Connecting the grounding cable to the chassis

	CAUTION: If you use a grounding point to ground the device, you must connect the grounding cable to the grounding point before you mount the device in the rack.

 

The device provides a primary grounding point and two auxiliary grounding points. The primary grounding point and auxiliary grounding point 1 are at the right panel and auxiliary grounding point 2 is at the front panel. The primary grounding point has a grounding sign and the auxiliary grounding points do not. If you use a grounding cable that has a dual-hole lug, connect it to the primary grounding point or auxiliary grounding point 1. If you use a grounding cable that has a single-hole lug, connect it to auxiliary grounding point 2. Choose the grounding point according to the mounting bracket installation positions.

The grounding cable connection procedure is the same for the primary and auxiliary grounding points. The following procedure connects the grounding cable to the primary grounding point.

To connect the grounding cable to the primary grounding point:

1.     Choose a grounding point as required.

When you install the mounting brackets at the port-side mounting position, choose the auxiliary grounding points. When you install the mounting brackets at the power supply-side mounting position, choose the primary grounding point.

2.     Unpack the grounding cable and grounding screws.

3.     Use the two grounding screws to attach the two-hole grounding lug of the grounding cable to the grounding holes at the grounding point. Use a screwdriver to fasten the screws. See Figure1-9.

As a best practice, use a torque of 20 kgf-cm (1.96 Nm) to fasten the grounding screws.

Figure1-9 Connecting the grounding cable to the primary grounding point

 

4.     To connect the grounding cable to auxiliary grounding point 2, use the grounding screw to attach the grounding lug of the grounding cable to the grounding hole at auxiliary grounding point 2. Use a screwdriver to tighten the screw.

Figure1-10 Attaching a grounding cable that has a single-hole lug to auxiliary grounding point 2

 

Attaching the slide rails to the rack

1.     Identify the slide rail installation position in the rack.

2.     Install cage nuts (user-supplied) in the mounting holes in the rack posts.

3.     Align the screw holes in one slide rail with the cage nuts in a rear rack post. Use user-supplied M6 screws to attach the slide rail to the post. See Figure1-11.

As a best practice, use a torque of 30 kgf-cm (2.94 Nm) to fasten M6 screws.

4.     Repeat the preceding steps to attach the other slide rail to the other rear rack post.

Keep the two slide rails at the same height so the slide rails can attach into the chassis rails.

Figure1-11 Installing the slide rails

 

Mounting the device in the rack

This task requires two people.

To mount the device in the rack:

1.     Wear an ESD wrist strap and make sure it makes good skin contact and is reliably grounded.

2.     Verify that the mounting brackets and chassis rails have been securely attached to the device chassis. For more information, see "Attaching the mounting brackets and chassis rails to the chassis."

3.     Verify that the slide rails have been correctly attached to the rear rack posts. For more information, see "Attaching the slide rails to the rack."

4.     Attach cage nuts (user-supplied) to the front rack posts and make sure they are at the same level as the slide rails.

5.     One person performs the following operations:

a.     Supporting the bottom of the device, aligns the chassis rails with the slide rails on the rack posts.

b.     Pushes the device slowly to slide the chassis rails along the slide rails until the mounting brackets are flush with the rack posts.

 

	IMPORTANT: Make sure the front ends of the slide rails reach out of the chassis rails for a maximum of 30 mm (1.18 in).

 

6.     Another person uses user-supplied M6 screws to attach the mounting brackets to the rack.

Figure1-12 Mounting the device in the rack (port-side mounting position for the mounting brackets)

 

Figure1-13 Mounting the device in the rack (power supply-side mounting position for the mounting brackets)

 

Grounding the device

CAUTION: ·     Correctly connecting the grounding cable is crucial to lightning protection and EMI protection. ·     Connect the grounding cable to the grounding system in the equipment room. Do not connect it to a fire main or lightning rod. ·     As a best practice to guarantee the grounding effect, use the grounding cable provided with the device to connect to the grounding strip in the equipment room.

 

The power input end of the device has a noise filter, whose central ground is directly connected to the chassis to form the chassis ground (commonly known as PGND). You must securely connect this chassis ground to the earth so the faradism and leakage electricity can be safely released to the earth to minimize EMI susceptibility of the device.

Grounding the device through a grounding strip

1.     Attach the two-hole grounding lug of the grounding cable to a grounding point on the chassis. For more information, see "Connecting the grounding cable to the chassis."

2.     Remove the hex nut of a grounding post on the grounding strip.

3.     Attach the ring terminal of the grounding cable to the grounding post on the grounding strip, and secure the ring terminal to the grounding post with the hex nut.

Figure1-14 Connecting the grounding cable to a grounding strip

(1) Hex nut	(2) Ring terminal
(3) Grounding post	(4) Grounding strip

 

	NOTE: The grounding terminals in this figure are for illustration only.

 

Grounding the device through the rack

If the device is installed in a rack, you can connect the other end of the grounding cable to the grounding point on the rack. Make sure the rack is reliably grounded.

Figure1-15 Grounding the device through the rack

 

Grounding the device with a grounding conductor buried in the earth

If earth is available at the installation site, you can ground the device with a grounding conductor buried in the earth.

Hammer a 0.5 m (1.64 ft) or longer angle iron or steel tube into the earth to serve as a grounding conductor. Weld the yellow-green grounding cable to the angel iron or steel tube and treat the joint for corrosion protection.

Figure1-16 Grounding the device by burying the grounding conductor into the earth

 

Installing/removing fan trays

CAUTION: The device has two fan tray slots. To ensure good ventilation of the device, follow these guidelines to install and remove fan trays: ·     The device is provided with the fan tray slots empty. Before powering on the device, make sure all fan tray slots have fan trays installed and the fan trays are the same model. ·     Make sure all slots have a module or filler panel installed when the device is operating. ·     If both fan trays fail on an operating device, do not remove the fan trays at the same time. Replace the fan trays one after another and finish replacing each fan tray within 1 minute.

 

The fan trays support obtaining electronic label information.

Installing a fan tray

	CAUTION: To prevent damage to the fan tray or the connectors on the backplane, insert the fan tray gently. If you encounter a hard resistance while inserting the fan tray, pull out the fan tray and insert it again.

 

Select fan trays for the device as needed. For the available fan trays and their specifications, see Removable components and compatibility matrixes.

To install a fan tray:

1.     Wear an ESD wrist strap and make sure it makes good skin contact and is reliably grounded.

2.     Unpack the fan tray and verify that the fan tray model is correct.

3.     Orient the fan tray with the "TOP" mark on top. Grasp the handle of the fan tray with one hand and support the fan tray bottom with the other, and slide the fan tray along the guide rails into the slot until the fan tray is fully seated in the slot and has a firm contact with the backplane. See Figure1-17.

Figure1-17 Installing a fan tray in the device

 

Removing a fan tray

	WARNING! ·     Ensure electricity safety and never touch the rotating fans when you hot-swap a fan tray. ·     To prevent a fan from causing loud noise, do not touch the fan blades and rotation axis, even if the fan is not rotating.

 

To remove a fan tray:

1.     Wear an ESD wrist strap and make sure it makes good skin contact and is reliably grounded.

2.     Grasp the handle of the fan tray with one hand and pull the fan tray part way out of the slot. Support the fan tray bottom with the other and pull the fan tray completely out of the slot.

3.     Put the removed fan tray in an antistatic bag.

Figure1-18 Removing a fan tray

 

Installing/removing power supplies

	WARNING! ·     To avoid bodily injury and device damage, strictly follow the procedures in Figure1-19 and Figure1-20 to install and remove a power supply. ·     Provide a separate circuit breaker for each power supply.

 

Figure1-19 Installation procedure

 

Figure1-20 Removal procedure

 

Installing a power supply

CAUTION: ·     Follow the forward inertia of the power supply when inserting it into the chassis, and make sure the power supply has firm contact with the connectors on the backplane. ·     To prevent damage to the connectors inside the device chassis, insert the power supply gently. If you encounter a hard resistance while inserting the power supply, pull out the power supply and insert it again. ·     Do not install a DC power supply and an AC power supply on the same device.

 

To install a power supply:

1.     Wear an ESD wrist strap and make sure it makes good skin contact and is reliably grounded.

2.     Remove the filler panel, if any, from the target power supply slot, as shown in Figure1-21.

Figure1-21 Removing a filler panel

 

3.     Unpack the power supply and verify that the power supply model is correct.

4.     Correctly orient the power supply with the words on the power supply upward. Grasp the handle of the power supply with one hand and support its bottom with the other, and slide the power supply slowly along the guide rails into the slot.

The slot is foolproof. If you cannot insert the power supply into the slot, re-orient the power supply rather than use excessive force to push it in.

Figure1-22 Installing a power supply

 

Removing a power supply

	CAUTION: When the device has two, three, and four power supplies in 1+1, 1+2, and 1+3 redundancy mode, removing one, two, and three power supplies, respectively does not affect the operation of the device.

 

To remove a power supply:

1.     Wear an ESD wrist strap and make sure it makes good skin contact and is reliably grounded.

2.     Remove the power cord from the power supply. To remove a DC power cord, squeeze the tabs on the power cord connector with your thumb and forefinger, and then pull the connector out.

3.     Hold the handle on the power supply with one hand, pivot the latch on the power supply to the right with your thumb, and pull the power supply part way out of the slot, as shown in Figure1-23.

4.     Supporting the power supply bottom with one hand, slowly pull the power supply out with the other hand.

5.     Put the removed power supply in an antistatic bag for future use.

6.     If you are not to install a new power supply, install a filler panel in the slot to ensure good ventilation in the device, as shown in Figure1-24.

Figure1-23 Removing the power supply

 

Figure1-24 Installing a filler panel

 

Connecting the power cords

	WARNING! Provide a circuit breaker for each power input. When you connect a power cord, make sure the circuit breaker is switched off.

 

Connecting an AC power cord

1.     Insert the female connector of the AC power cord supplied with the power supply into the power receptacle on the power supply.

2.     Use a cable tie to secure the power cord to the handle of the power supply, as shown in Figure1-25.

3.     Connect the other end of the power cord to an AC power outlet.

Figure1-25 Connecting an AC power cord to a power supply

(1) Releasable cable tie
(2) Tighten the releasable cable tie to secure the power cord to the handle of the power supply

 

Connecting a DC power cord

1.     Align the power cord plug with the power receptacle on the power supply, and insert the plug into the receptacle (see Figure1-26).

The plug and receptacle are foolproof. If you cannot insert the plug into the receptacle, re-orient the plug rather than use excessive force to push it in.

2.     Use a releasable cable tie to secure the power cord to the handle of the power supply, as shown in Figure1-25.

3.     Connect the other end of the power cord to the DC power source.

Figure1-26 Connecting a DC power cord to the power supply

 

Installing and removing expansion modules

CAUTION: When you install or remove an expansion module, follow these guidelines: ·     Never touch the components on the expansion module. ·     Do not use excessive force. ·     The expansion modules are hot swappable. Do not install or remove an expansion module during startup of the device. ·     Attach dust plugs to the empty ports on the expansion modules to prevent dust from entering the ports.

 

The device provides four expansion module slots. For the expansion modules available for the device and the expansion module specifications, see Appendix C  Removable components and compatibility matrixes.

Installing an expansion module

1.     Wear an ESD wrist strap and make sure the wrist strap makes good skin contact and is reliably grounded.

2.     Remove the filler panel, if any, from the target expansion module slot. As shown in Figure1-27, put your thumb and forefinger into the two holes of the filler panel. Then press down the metal tab in the top hole and pull out the filler panel along the guide rails.

Figure1-27 Removing the filler panel from the expansion module slot

 

Keep the removed filler panel secure for future use.

3.     Unpack the expansion module.

4.     Press down and hold the latch of the ejector lever to pull the ejector lever out.

Figure1-28 Expansion module

(1) Latch	(2) Ejector lever

 

5.     Insert the module slowly into the slot along the guide rails, as shown by callout 1 in Figure1-29.

6.     Press down and hold the latch of the ejector lever to rotate the ejector lever to its original place, and then release the grip on the latch to lock the ejector lever in place, as shown by callout 2 in Figure1-29.

Figure1-29 Installing an expansion module

 

Removing an expansion module

	CAUTION: If you are not to install a new expansion module after removing the original one, install a filler panel in the slot to prevent dust and ensure good ventilation.

 

To remove an expansion module:

1.     Prepare an anti-static bag.

2.     Wear an ESD wrist strap and make sure the wrist strap makes good skin contact and is reliably grounded.

3.     Press down and hold the latch of the ejector lever to pull the ejector lever out.

4.     Open the ejector lever to disengage the expansion module from the device connector.

5.     Use both hands to slowly take the module out.

6.     Place the removed expansion module in the anti-static bag.

Figure1-30 Removing an expansion module

 

(Optional) Installing network port lightning protectors

	IMPORTANT: ·     Before installing a network port lightning protector, read the instructions in the document that comes with the protector. ·     Network port lightning protectors are available only for 100M/1000M RJ-45 Ethernet copper ports. ·     If multiple network ports have network cables routed outdoors, install a network port lightning protector for each network port.

 

If part of the network cable for a network port is routed outdoors, install a network port lightning protector for the port to protect against damages caused by lightning strikes.

No network port lightning protectors are provided with the device. Purchase them yourself as required.

To install a network port lightning protector for a network port:

1.     Use a double-faced adhesive tape to stick the network port lightning protector onto the device chassis, and make sure it is as close to the grounding screw of the device as possible.

2.     Cut the ground wire of the protector to a length (as short as possible) as required by the distance between the protector and the grounding screw of the device. Attach the ground wire securely to the grounding screw of the device.

Make sure the grounding screw of the device is reliably grounded.

3.     Use a multimeter to verify that the ground wire of the protector makes good contact with the grounding screw of the chassis.

4.     Insert the outdoor network cable into the protector's Surge end marked IN, and insert the cable from the network port into the Protect end marked OUT.

5.     Examine the port LED to verify that the port is operating correctly.

Figure1-31 Installing a lightning protector for a network port

 

(Optional) Installing a surge protected power strip

	IMPORTANT: Before installing a surge protected power strip, read the instructions in the document that comes with the strip.

 

If you use an AC power line routed from outdoors for the device, use a surge protected power strip for the device to protect against damages caused by lightning strikes. No surge protected power strip is provided with the device. Purchase one yourself if required.

To use a surge protected power strip, first connect the AC power line routed from outdoors to the strip and then connect the power cord from the device to the strip.

You can attach the surge protected power strip to the rack, workbench, or wall of the equipment room.

Verifying the installation

Before powering on the device, verify the following information:

·     There is enough space for heat dissipation around the device, and the rack is stable.

·     The correct power source is used.

·     The grounding cable is securely connected.

·     The console cable and power cord are correctly connected.

·     All the interface cables are cabled indoors. If any cable is routed outdoors, verify that the socket strip with a lightning protector for network ports has been correctly connected.