"LPU" in Figure 1-3 refers to an interface module, "SFU" refers to a single-chassis fabric module, and "MSFU" refers to a multi-chassis fabric module.

Figure 1-3 Slot arrangement

2 Inspecting the router at delivery

When the router is delivered, inspect the items against the packing list. Make sure all items in the list are delivered in good condition. Keep the items secure for future use.

IMPORTANT:

· Install the router after finishing inspection. Do not inspect the router when installing it.

· Keep the packaging materials secure for future moving or shipment.

· If you find a fault with the router before powering it on, stop your operation, keeping the router as it is, and take photos. Keep the original packaging materials and accessories secure.

3 Preparing for installation

Determining the installation personnel

The personnel for installing and maintaining the router must have received professional training and are familiar with the precautions in installation and skilled and professional in router installation and maintenance.

Installation site requirements

Equipment room requirements

For correct operation of the router, make sure the equipment room meets the following requirements:

· The installation site has a good ventilation and cooling system.

· The air inlet and outlet vents of the chassis are not blocked, clear of obstructions.

· The air inlets vents of the chassis are away from the outlet vents of other devices.

· The ambient temperature for the router is maintained in the range of 0°C to 45°C (32°F to 113°F).

· The ambient humidity for the router is maintained in the range of 5% RH to 95 % RH, non-condensing.

· The equipment room is clean, dust-free, and can adequately keep the router from any form of potential water damage.

Weight support requirements

Make sure the floor or ground at the installation site can support the combined weight of the router and the rack. The total weight of the router includes the chassis and its components (for example, modules, fan trays, power supplies, and cables) and accessories.

Grounding requirements

Correctly grounding the router is crucial to lightning protection, anti-interference, and ESD prevention. Use a good grounding system for the router. Make sure the resistance between the chassis and the ground is less than 1 ohm.

Space requirements

IMPORTANT:

· For the chassis to be accessible from front and rear, use a rack that has both a front door (single-leaf door as a best practice) and rear door.

· For easy installation and maintenance, reserve a minimum clearance of 1200 mm (47.24 in) between the rack and walls or other devices.

Table 3-1 Router dimensions and rack requirements

Model	Chassis dimensions	Rack requirements
CR19000-8	· Height—843 mm (33.19 in)/19 RU · Width—440 mm (17.32 in) · Depth—745 mm (29.33 in) ¡ 650 mm (25.59 in) for the chassis ¡ 95 mm (3.74 in) from the rack-mounting surface of the mounting bracket to the cable management bracket front end	· A minimum of 1000 m (39.37 in) in depth (recommended). You can also use a rack with a depth of 800 mm (31.50 in) (with the door thickness not exceeding 25 mm (0.98 in). · A minimum of 100 mm (3.94 in) between the front rack posts and the front door. · A minimum of 650 mm (25.59 in) between the front rack posts and the rear door.

Model

Chassis dimensions

Rack requirements

CR19000-8

· Height—843 mm (33.19 in)/19 RU

· Width—440 mm (17.32 in)

· Depth—745 mm (29.33 in)

¡ 650 mm (25.59 in) for the chassis

¡ 95 mm (3.74 in) from the rack-mounting surface of the mounting bracket to the cable management bracket front end

· A minimum of 1000 m (39.37 in) in depth (recommended).
You can also use a rack with a depth of 800 mm (31.50 in) (with the door thickness not exceeding 25 mm (0.98 in).

· A minimum of 100 mm (3.94 in) between the front rack posts and the front door.

· A minimum of 650 mm (25.59 in) between the front rack posts and the rear door.

Figure 3-1 Chassis dimensions

Figure 3-2 Rack requirements

Cooling requirements

CAUTION:

· For adequate heat dissipation, make sure the air inlet and outlet vents of the router are not blocked and adequate clearance is reserved around the air vents.

· Make sure the rack for the router has a good cooling system, with the perforation rate of rack doors greater than 50%.

· Make sure the air conditioners do not blow air directly onto the router.

The router uses super-short cut-through ventilation aisles to provide front-to-rear airflow for heat dissipation, as shown in Figure 3-3.

Figure 3-3 Airflow through the chassis

Safety recommendations

To avoid bodily injury and damage to the router, read all safety recommendations carefully before installation. Note that the recommendations do not cover every possible hazardous condition.

Safety symbols

When reading this document, pay special attention to the following symbols:

WARNING means an alert that calls attention to important information that if not understood or followed can result in personal injury.

CAUTION means an alert that calls attention to important information that if not understood or followed can result in data loss, data corruption, or damage to hardware or software.

General safety recommendations

To avoid bodily injury or device damage, follow these guidelines when you install or operate the router:

· Keep the chassis and installation tools away from walk areas.

· Place the router on a dry and flat location. Make sure anti-slip measures are in place.

· When servicing the router, do not wear loose clothing or jewelry (such as a necklace) that could get caught in the chassis.

· If you cannot install a removable component smoothly, stop your operation and troubleshoot the issues, preventing component damages caused by misoperations.

· Clear the work area of any 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.

ESD prevention

To prevent components from ESD damage, wear an ESD wrist strap before working with the router and the modules.

To attach an ESD wrist strap:

1. Put the wrist band of the strap on your wrist and fasten the band so that it makes good contact with your skin.

2. Attach the other end of the strap an ESD jack on the chassis or rack. Make sure the strap is reliably grounded.

The router has one ESD jack on both the front and rear panels.

Moving the chassis

Physical specifications

Table 3-2 Physical specifications

Model	Shipping weight	Dimensions (H × W × D)
CR19000-8	115 kg (253.53 lb)	843 × 440 × 650 mm (33.19 × 17.32 × 25.59 in)

The shipping weight of the router includes the chassis and packaging materials. Determine a moving method for the chassis based on its shipping weight.

Moving the chassis

CAUTION:

· The router is heavy. As a best practice, use a mechanical lift to move the chassis. If no mechanical lift is used, cooperate with a minimum of four people to move the chassis by using the chassis handles.

· To avoid damages, use only the chassis handles other than any other component to move the chassis.

· During the moving process, keep the router upright and do not put down the router or drag the router on the ground.

· When transporting, moving, and installing the router, be careful not to bump the router into the door or wall.

To remove the chassis to the installation site:

1. Unpack the chassis.

2. Remove the screws on the L brackets by using a Phillips screwdriver and an adjustable wrench to separate the router from the pallet.

3. Use a minimum of four people to move the chassis by holding the chassis handles.

Keep the router upright during the moving process.

Figure 3-4 Moving the chassis

Preparing installation tools

Installation tools are required when installing the router. Prepare installation tools as required. Figure 3-5 provides installation tools for your reference.

Figure 3-5 Installation tools

4 Installation flowchart

Figure 4-1 Installation flowchart

5 Rack-mounting the router

CAUTION:

· The router is heavy. For rack stability, install it at a lowest possible position.

· Before rack-mounting the router, remove all the fan trays from it as a best practice to reduce the chassis weight.

Attaching slide rails to the rack

To rack-mount the router, select and attach slide rails to the rack. See Table 5-1 for the slide rail requirements.

Table 5-1 Slide rail requirements

Router model	Max. chassis weight (fully configured)	Applicable slide rails
Router model	Max. chassis weight (fully configured)	Slide rail model	Adjustment range	Occupied space
CR19000-8	230 kg (507.05 lb)	LSXM1BSR Applicable to a rack with a depth of 1000 mm (39.37 in) or above.	630 mm to 900 mm (24.80 in to 35.43 in)	1 RU
		LSTM2KSGD0 Applicable to a rack with a depth of 800 mm (31.50 in)	500 mm to 800 mm (19.69 in to 31.50 in)	2 RU
		LSTM1KSGD0 Applicable to a rack with a depth of 800 mm (31.50 in)	350 mm to 500 mm (13.78 in to 19.69 in)	2 RU

For information about installing H3C 1 RU slide rails, see H3C LSXM1BSR 1U Bottom-Support Rails Installation Guide (available at https://www.h3c.com/en/Support/Resource_Center/EN/Routers/Catalog/CR19000/CR19000/).

For more information about installing H3C 2 RU slide rails, see H3C 2RU Slide Rails Installation Guide (available at https://www.h3c.com/en/Support/Resource_Center/EN/Routers/Catalog/CR19000/CR19000/).

When installing slide rails, make sure the load-bearing plane of the slide rails is perpendicular to the four rack posts.

Removing the top hood and air filter

The top hood blocks the mounting bracket mounting holes. Before installing the router in the rack, first remove the top hood and air filter.

To remove the top hood and air filter:

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

2. Remove the air filter. As shown in Figure 5-1, press the locking tabs at both sides of the air filter to remove the air filter from the top hood.

Figure 5-1 Removing the air filter

3. Use a Phillips screwdriver to loosen the captive screws at the two sides of the top hood and then remove the top hood from the chassis.

Keep the removed top hood secure.

Figure 5-2 Removing the top hood

Removing fan trays

The router is heavy. As a best practice, remove all fan trays from the router before installing the router in the rack.

To remove a fan tray:

1. Prepare an antistatic mat to place the fan tray to be removed.

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

3. Loosen the captive screws on the fan tray and then pull the fan tray out of the slot slowly by holding the fan tray handles.

Figure 5-3 Removing a fan tray

Mounting the router in a rack

CAUTION:

· When you move the router to a low temperature environment from a high temperature environment, condensation might occur. Before installing the router, dry the router to prevent the internal components from being damaged because of short circuit.

· The router is heavy. As a best practice, remove all fan trays from the router before installing the router in the rack. If you have not removed fan trays, do not use the fan tray handles to lift the router to avoid handle damage.

To mount the router in a rack:

1. Wear an ESD wrist strap and verify that the rack is reliably grounded and sturdy.

2. As shown in Figure 4-1, mark the cage nut installation holes on the front rack post.

Figure 5-4 Marking the cage nut installation holes

3. Insert cage nuts into the marked square holes in the front rack posts.

Figure 5-5 Installing the cage nuts

4. Orient the chassis with the rear facing the front of the rack.

5. Use a minimum of four people to lift the router to a height slightly above the slide rails by holding the chassis handles. Then place the router on the slide rails.

CAUTION:

After you place the router on the slide rails from the front of the rack, do not leave go of your hands immediately because this might tip and damage the router.

6. Use M6 screws provided with the router to secure the router to the rack posts, as shown in Figure 5-6.

Figure 5-6 Securing the router to the rack

Installing the top hood and air filter

1. Align the holes in the top hood with the pins on the mounting brackets. Push the top hood so that the pins enter the holes in the top hood.

2. Fasten the captive screws to secure the top hood.

Figure 5-7 Installing the top hood

3. Position the air filter over the top hood, and then push the air filter until it is seated into the top hood.

Figure 5-8 Installing an air filter

Installing fan trays

CAUTION:

The router has six fan tray slots arranged in two rows at the chassis rear. To ensure good ventilation and achieve 5+1 redundancy, install a fan tray in each fan tray slot.

To install a fan tray:

1. Wear an ESD wrist strap.

2. Correctly orient the fan tray and align the fan tray with the fan tray slot.

¡ If you install a fan tray at the upper row, orient the fan tray with the LED on it facing downward.

¡ If you install a fan tray at the lower row, orient the fan tray with the LED on it facing upward.

3. Grasp the handles of the fan tray, steadily insert the fan tray way into the slot, and then fasten captive screws on it.

Figure 5-9 Installing a fan tray

6 Grounding the router

CAUTION:

Make sure the ground point on the rack is connected reliably to a grounding strip in the equipment room.

To ground the router:

1. Remove the grounding screws from the grounding point on the chassis.

2. Use the grounding screws to attach the two-hole grounding lug of the grounding cable to grounding point on the chassis.

3. Connect the ring terminal of the grounding cable to the grounding point on the rack.

Figure 6-1 Grounding the router

7 Installing cable management brackets

IMPORTANT:

To prevent cable management brackets from blocking the mounting bracket mounting holes on the rack posts, install cable management brackets after you mount the router in the rack.

The router comes with three types of cable management brackets LA, LB/RB, and RA and two types of cable guides LA and RA. The cable management brackets come with cable guides installed.

Figure 7-1 Cable management brackets

The procedure is similar for installing cable management brackets at the left side and at the right side. The following installs a cable management bracket at the right side.

To install a cable management bracket:

1. If any cable guide hinders installation of the cable management bracket, press the tab on the cable guide and then remove the cable guide from the cable management bracket.

Figure 7-2 Removing a cable guide

2. Identify the installation position on the mounting bracket. The LA, LB/RB, and RA marks on the mounting brackets indicate the types of cable management brackets to be installed.

3. Orient the cable management bracket, with the lettering facing upward, and then position the cable management bracket on the mounting bracket.

4. Align the captive screws on the cable management bracket with the holes in the mounting bracket. Fasten the captive screws to secure the cable management bracket.

Figure 7-3 Installing a cable management bracket

5. Install the removed cable guides (if any) to the cable management bracket.

8 Installing power supplies

Installing DC power supplies

Available DC power supplies

The PSR2400-54D DC power supply is available for the router. Table 8-1 describes the PSR2400-54D DC power supply specifications.

Table 8-1 PSR2400-54D DC power supply specifications

Item	Specification
Rated input voltage	–48 to –60 VDC
Input voltage range	–40 to –72 VDC
Max input current	80 A
Rated output voltage	54 VDC
Max. output current	44.5 A
Max. output power	2400 W

DC power supply configuration guidelines

Determine the number of DC power supplies based on the system power consumption and the DC power supply configuration based on the power input mode.

· As a best practice, configure N+M (M ≥ 1) DC power supply redundancy. Make sure N+M is not larger than the total number of power supply slots.

N is the number of DC power supplies.

· Make sure the total output power of the power supplies is greater than the system power consumption (with a 20% power surplus as a best practice).

· Provide a circuit breaker or fuse for power input of each DC power supply. Make sure each input line has a current carrying capacity not less than 100 A.

Installing a DC power supply

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

2. Remove the filler panel from the target power supply slot.

Put your forefinger into the hole of the filler panel to hold and pull out the filler panel along the guide rails as shown in Figure 8-1.

Figure 8-1 Removing a filler panel

3. Correctly orient the power supply with the latch above the handle.

4. Align the power supply with the power supply slot. Then slide the power supply along the guide rails into the slot until the latch locks the power supply in place.

Figure 8-2 Installing a DC power supply

Connecting a DC power cord

CAUTION:

Before you connect a power cord, turn off the circuit breakers for both positive and negative inputs.

To connect a DC power cord:

1. Connect the DC power cord connectors to the DC input receptacles on the DC power supply.

2. Fasten the screw on the connectors to secure the connectors to the receptacles.

3. Connect the other ends of the power cord to a DC input terminal block, with the negative wire (–) to the negative terminal (–) and the positive wire (+) to the positive terminal (+).

Figure 8-3 Connecting a DC power cord

Installing AC power supplies

Available AC power supplies

The PSR2400-54A and PSR3000-54A power supplies are available for the router. Table 8-2 describes the available AC power supply specifications.

Table 8-2 Available AC power supply specifications

Item	PSR2400-54A	PSR3000-54A
Rated input voltage	· AC power input: ¡ 100 to 130 VAC @ 60 Hz ¡ 200 to 240 VAC @ 50 Hz · High voltage DC power input: 240 VDC	· AC power input: ¡ 100 to 130 VAC @ 60 Hz ¡ 200 to 240 VAC @ 50 Hz · High voltage DC power input: 240 VDC
Input voltage range	· AC power input: 90 to 264 VAC @ 47 to 63 Hz · High voltage DC power input: 190 to 320 VDC	· AC power input: 90 to 290 VAC @ 47 to 63 Hz · High voltage DC power input: 190 to 320 VDC
Rated input current	16 A	16 A
Rated output voltage	54 VDC	54 VDC
Max. output current	44.5 A	55.6 A
Max. output power	· 100 to 130 VAC @ 60 Hz: 1200 W · 200 to 240 VAC @ 50 Hz: 2400 W · 240 VDC: 2400 W	· 100 to 130 VAC @ 60 Hz: 1200 W · 200 to 240 VAC @ 50 Hz: 3000 W · 240 VDC: 3000 W

AC power supply configuration guidelines

Determine the number of AC power supplies based on the system power consumption and the AC power supply configuration based on the power input mode.

· As a best practice, configure N+N (dual power sources) AC power supply redundancy. Make sure N+N is not larger than the total number of power supply slots.

N is the number of AC power supplies.

· Make sure the total output power of the power supplies is greater than the system power consumption (with a 20% power surplus as a best practice).

· Provide a circuit breaker for power input of each AC power supply. Make sure each circuit breaker has a current rating not less than 20 A.

Installing an AC power supply

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

2. Put your forefinger into the hole of the filler panel and to hold and pull out the filler panel along the guide rails as shown in Figure 8-4.

Figure 8-4 Removing a filler panel

3. Correctly orient the power supply with the latch above the handle.

4. Align the power supply with the power supply slot. Then slide the power supply along the guide rails into the slot until the latch locks the power supply in place.

Figure 8-5 Installing an AC power supply

Connecting an AC power cord

CAUTION:

· Make sure each power cord has a separate circuit breaker.

· Before you connect a power cord, turn off the circuit breaker for it.

· Use 16A AC power cords with a straight C19 connector for the router.

To connect an AC power cord:

1. Connect the female connector of the AC power cord to the AC input receptacle on the AC power supply.

2. Use a Velcro strap to secure AC power cord to the handle of the AC power supply, as shown in Figure 8-6.

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

Figure 8-6 Connecting an AC power cord

9 Installing modules

CAUTION:

· Do not remove the filler panel in the slot to the right of slot 15.

· If you are not to install a module or interface subcard in the slot, keep the filler panel in the slot. Keep the removed filler panels secure for future use.

· Filler panels differ depending on the module type. When you install a filler panel over a slot, make sure it matches that slot.

Installing MPUs

CAUTION:

· The router supports active/standby MPU switchover when you install two MPUs for the router. For the standby MPU to start up correctly, make sure the active and standby MPUs are the same model.

· The router does not allow mixture of different models of MPUs.

The router has two MPU slots. You can install one MPU, or two MPUs in 1+1 redundancy for the router.

To install an MPU:

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

2. Remove the filler panel from the target MPU slot.

Keep the removed filler panel secure for future use.

Figure 9-1 Removing a filler panel

3. Orient the MPU correctly and align the MPU with the slot. Insert the MPU into the slot and fully open the ejector levers on the MPU.

4. Continue to push the MPU by its middle part on the front panel until the ejector levers touch the slot edges tightly.

5. Close the ejector levers until they come in close contact with the front panel.

6. Use a Phillips screwdriver to fasten the captive screws on the MPU.

Figure 9-2 Installing an MPU

Installing fabric modules

CAUTION:

When you install a fabric module, avoid touching the connectors on the fabric module.

The router provides six fabric module slots and supports N+1 fabric module redundancy. You can install three to six fabric modules for the router.

To install a fabric module:

1. Place the fabric module on a workbench and remove the protection box from the connector side of the fabric module.

Figure 9-3 Removing the protection box

2. Remove the filler panel from the target fabric module slot.

Keep the removed filler panel secure for future use. The method is the same for removing a filler panel from a fabric module slot and an MPU slot. For more information, see "Installing MPUs."

3. Install a fabric module. The method is the same for installing a fabric module and an MPU. For more information, see "Installing MPUs."

Installing interface modules

Installing an interface module that uses detachable ejector levers

CAUTION:

· Put the detachable ejector lever back on its holder after use and then attach it to the chassis or cabinet for future use.

· The ejector lever holder is magnetic. Be aware of electromagnetic interference.

· Do not use only one detachable ejector lever to install or remove an interface module.

· Do not hold detachable ejector levers to lift an interface module.

Figure 9-4 Detachable ejector lever

To install an interface module that uses detachable ejector levers:

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

2. Remove the filler panel from the target interface module slot.

Keep the removed filler panel secure for future use.

3. Remove the protection box (if any) from the connector side of the interface module, as shown in Figure 9-5.

Keep the removed protection box secure for future use.

The number of screws for securing the protection box in Figure 9-5 is for illustration only and the actual number of screws on your interface module might differ from that.

Figure 9-5 Removing the protection box

4. Correctly orient the interface module. Align the module with the slot and push it steadily into the slot along the guide rails until about half of the module is in the slot.

Figure 9-6 Installing an interface module that uses detachable ejector levers

5. Attach the ejector lever holders to the chassis or cabinet and then remove the ejector levers from the holders.

6. Identify the L and R marks on the ejector levers and attach them to left and right ejector lever retainers of the interface module, with the lettering on the ejector levers facing upward.

Figure 9-7 Installing an ejector lever

7. Open the ejector levers and continue to push the module by its middle part on the front panel until you cannot push it any further.

8. As shown in Figure 9-8, close the ejector levers until they come in close contact with the front panel. Use a Phillips screwdriver to fasten the captive screws on the interface module.

Figure 9-8 Closing an ejector lever

9. As shown in Figure 9-9, press the spring tab on each ejector lever retainer to remove the ejector levers. Place the ejector lever back on their holders and keep them secure for future use.

Figure 9-9 Removing an ejector lever

Installing an interface module that uses general ejector levers

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

2. Remove the filler panel from the target interface module slot.

Keep the removed filler panel secure for future use.

3. Open the ejector levers of the interface module.

4. Gently push the interface module into the slot along the guide rails.

5. Continue to push the interface module by its middle part on the front panel until you cannot push it any further. Then close the ejector levers.

6. Use a Phillips screwdriver to fasten the captive screws on the interface module.

7. Pivot up the ejector levers on the interface module.

Figure 9-10 Installing an interface module that uses general ejector levers

Installing interface subcards

For the interface subcard compatibility with interface modules, see H3C CR19000-8 Core Router Hardware Information and Specifications.

To install an interface subcard:

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

2. Remove the filler panel from the target slot on the interface module.

Keep the removed filler panel secure for future use.

3. Open the right ejector lever of the interface subcard.

4. Insert the interface subcard into the slot and push it steadily into the slot along slide rails.

5. Continue to push the interface subcard by its middle part on the front panel until you cannot push it any further.

6. Close the right ejector lever until it comes in close contact with the front panel.

7. Use a screwdriver to fasten the captive screws on the interface subcard.

Figure 9-11 Installing an interface subcard

10 Connecting signal cables

Installing transceiver modules and optical fibers

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 router is operating.

CAUTION:

· Before installing a transceiver module, remove the optical fibers, if any, from it. For more information about installing transceiver modules, see the installation guide for the transceiver modules.

· If you are not to use a fiber port or transceiver module, insert dust plugs into the port or module. If you are not to connect an optical fiber, install dust caps for the fiber connector.

To install a transceiver module and optical fiber:

1. Wear an ESD wrist strap and make sure the wrist strap is reliably grounded.

2. Remove the dust plug from the target fiber port.

3. Pull the bail latch on the transceiver module upwards.

Skip this step if the bail latch is plastic.

4. Take the transceiver module by its two sides and align it with the fiber port.

5. Push the transceiver module gently into the port until it is firmly seated in the fiber port.

6. Remove the dust plug and dust cap from the transceiver module and fiber connector, respectively.

7. Connect the optical fiber to the transceiver module.

¡ LC connector—Align the connector with the transceiver module and push it into the transceiver module slightly until it clicks into place.

¡ MPO connector—Orient the connector with the white spot on it facing right. Insert the MPO fiber connector straight into the transceiver module and push it slightly forward until it clicks into place.

8. Use cable ties at a spacing of 150 mm (5.91 in) to bind optical fibers.

9. Label optical fibers according to the cable labeling specifications.

Figure 10-1 Installing a transceiver module and optical fiber (LC port)

Figure 10-2 Installing a transceiver module and optical fiber (MPO port)

Connecting a QSFP+ optical fiber

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 router is operating.

CAUTION:

For interface modules with dust plugs shipped as accessories, insert dust plugs into open fiber port timely.

To connect a QSFP+ optical fiber:

1. Wear an ESD wrist strap and make sure the wrist strap is reliably grounded.

2. Remove the dust plug from the target fiber port.

3. Orient the cable with the pull tab on the QSFP+ module facing right. Push the module gently into the port until it is firmly seated in the fiber port.

4. Use cable ties at a spacing of 150 mm (5.91 in) to bind optical fibers.

5. Label optical fibers according to the cable labeling specifications.

Figure 10-3 Connecting a QSFP+ optical fiber

Connecting cables to E1 ports

Cables for connecting E1 ports

You can use an E1 cable to connect an E1 port (HM96 male connector). Typically, an E1 cable has an HD96 female connector at one end and multiple BNC, RJ-45, or SMB connectors at the other end.

When connecting an E1 cable, you might need also coaxial connectors and 75-ohm E1 adapter cables. No coaxial connectors and 75-ohm E1 adapter cables are provided with interface subcards. Purchase them yourself as needed.

Connecting an E1 cable

CAUTION:

To avoid interface subcard or chassis damage, identify the target E1 port before your connection. Avoid connecting the cable to another port.

Connecting an E1 120-ohm RJ-45 cable

1. Connect the HD96 connector of the E1 120-ohm cable to the HM96 connector on the interface subcard and fasten the screws on the connector.

2. Connect the RJ-45 connectors at the other end of the E1 cable to the peer device.

Connecting an E1 75-ohm BNC/SMB cable

The E1 75-ohm BNC cable and SMB cable use the same connection procedure. The following procedure connects an E1 75-ohm BNC cable.

To connect an E1 75-ohm BNC cable:

· If you do not need to extend the cable, perform these steps:

a. Connect the HD96 connector of the E1 75-ohm cable to the HM96 connector on the interface subcard and fasten the screws on the connector.

b. The other end of the cable provides multiple pairs of 75-ohm BNC connectors. Identify the number of each pair of BNC connectors. Connect the TX connector and the RX connector of the cable to the RX connector and the TX connector on the peer device, respectively.

Figure 10-4 Connecting an E1 75-ohm cable

· If you need to extend the cable, connect each BNC connector of the E1 75-ohm cable to a coaxial connector and then use an E1 75-ohm adapter cable to connect the coaxial connector to the peer device.

Figure 10-5 Connecting an E1 75-ohm cable (using coaxial connectors and 75-ohm adapter cables)

· If the impedance of the E1 port on the peer device is 120 ohms, you must use an impedance converter to adapt the impedance.

Figure 10-6 Connecting an E1 75-ohm cable (using an impedance converter)

Routing signal cables

The router has chassis cable management brackets and fabric module cable management brackets. The chassis cable management brackets are installed along the left and right edges of the front panel. The fabric module cable management brackets are installed along the top and bottom edges of the MPU and fabric module slots. As a best practice, route the fabric module cables along the nearest fabric module cable management bracket and the nearest chassis cable management brackets. As a best practice, route MPU cables and interface module cables along the chassis cable management brackets.

11 Verifying the installation

Post-installation checklist

Table 11-1 Post-installation checklist

Item	Requirements
Installation location	· No condensation is on the surface of the router or inside the router. · The router is clean and dust-free. · No packaging boxes, packaging bags, or other packaging materials are left around the chassis. · The air inlet and outlet vents of the router are not blocked, free of obstructions.
Router	· All components are installed correctly. · Each slot is installed with a module or filler panel. · Fan trays are installed correctly.
Cables	· The router is grounded reliably with the provided grounding cable. Both ends of the grounding cable are securely connected. · No switch or fuse is installed on the grounding cable. · The power cords are connected reliably and no short circuit has occurred in power input and output. · Power cords, grounding cables, and fiber cables are routed and bound separately. · The cables are bound neatly with cable ties at an even distance. · The cable labels are correct, clear, and affixed to the cable in the same direction.
Electricity safety	· A circuit breaker is provided for each power cord. · Turn off the circuit breaker before you connect the power cord.

Power-on check

WARNING!

Locate the power switch in the equipment room before powering on the router so you can quickly shut power off when an electrical accident occurs.

CAUTION:

Before powering on the router, make sure all fan tray slots are installed with a fan tray correctly.

Power-on check flowchart

Figure 11-1 Power-on check flowchart

Checking the LEDs

After the router powers up, you can determine whether the router and the components are operating correctly by observing the LEDs on the MPUs and other components. When the router and components are operating correctly, the LEDs are as described in Table 11-2 and Table 11-3. If the LED states are not as described in Table 11-2 and Table 11-3, the router and components might be faulty. For more information about the LEDs, see H3C CR19000-8 Core Router Hardware Information and Specifications.

Table 11-2 MPU LED descriptions

LED	Status	Description
FAN	Steady green	All the fan trays are operating correctly.
PWR	Steady green	All the installed power supplies are operating correctly.
RUN	Slow flashing green (4 Hz)	The modules are loading software.
RUN	Fast flashing green (0.5 Hz)	The modules are operating correctly.
ALM	Off	No alarm has occurred on the system.
ACT	Steady green	The MPU is in active mode of the chassis or system.
	Flashing green (0.5 Hz)	The router is in cluster mode, and the MPU is in standby mode.
	Off	The router is in single chassis mode, and the MPU is in standby mode.

IMPORTANT:

The PWR LED on the MPU will be red if one of its installed power supplies is not operating correctly (the power cord is not connected or the circuit breaker for it is turned off).

Table 11-3 Component LED descriptions

LED		Status	Description
Fabric module LED	RUN	Fast flashing green (4 Hz)	The fabric module is loading software.
Fabric module LED	RUN	Slow flashing green (0.5 Hz)	The fabric module is operating correctly.
Interface module LED	RUN	Fast flashing green (4 Hz)	The module is loading software.
Interface module LED	RUN	Slow flashing green (0.5 Hz)	The module is operating correctly.
AC power supply	AC OK DC OK	Steady green	The power supply is operating correctly.
DC power supply	IN OK OUT OK	Steady green	The power supply is operating correctly.
Fan tray LED	OK/FAIL	Steady green	The fan tray is operating correctly.

H3C CR19000-8 Core Router Installation Quick Start-6PW109

Weight support requirements

Grounding requirements

Space requirements

Cooling requirements

Safety recommendations

4 Installation flowchart

5 Rack-mounting the router

6 Grounding the router

Connecting an E1 120-ohm RJ-45 cable

Connecting an E1 75-ohm BNC/SMB cable

Power-on check flowchart

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