Router model	Max. chassis weight (fully configured)	Applicable slide rails
Router model	Max. chassis weight (fully configured)	Slide rail model	Adjustment range	Occupied space
CR19000-16	350 kg (771.60 lb)	LSXM1BSR	630 mm to 900 mm (24.80 in to 35.43 in)	1 RU

For information about installing slide rails, see H3C LSXM1BSR 1U Bottom-Support Rails Installation Guide (available also 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.

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.

To mount the router in a rack:

1. As shown in Figure2-2, mark the cage nut installation holes on the front rack post.

Figure2-2 Marking the cage nut installation holes

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

Cage nuts are not required for the two upper marked installation holes on the right front rack post.

Figure2-3 Installing the cage nuts

3. Place the router on the slide rails from the front of the rack. Slide the router along the guide rails into the rack.

4. Use M6 screws provided with the router to secure the router to the rack posts.

Figure2-4 Mounting the router in a rack

Grounding the router

CAUTION:

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

To connect the grounding cable to 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.

Figure2-5 Grounding the router

Installing DC power supplies

Available DC power supplies

The PSR2400-54D DC power supply is available for the router. Table2-2 describes the PSR2400-54D DC power supply specifications.

Table2-2 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. Thread a flat-blade screwdriver through the hole in the handle of the filler panel and pull the filler panel out.

Figure2-6 Removing a filler panel

2. Correctly orient the power supply.

3. 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.

Figure2-7 Installing a DC power supply

Connecting a DC 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.

To connect a DC power cord:

1. Route the power cord along the cable ladder.

2. Connect the DC power cord connector to the DC input receptacle on the power supply.

3. Fasten the screw on the connector to secure the connector to the receptacle.

4. Connect the other end of the power cord to the DC power distribution panel in the equipment room, with the black wire connected to the positive terminal and the blue wire connected to the negative terminal.

The power supplies are installed along the right and left edges of the rear panel. As a best practice, route the power cords as shown in Figure2-8.

5. Use cable clips every 250 mm (9.84 in) to bind the power cord to the rack.

6. Affix cable labels to the power cord 20 mm (0.79 in) to each end of the power cord.

Figure2-8 Connecting a DC power cord

Installing AC power supplies

Available AC power supplies

The PSR2400-54A and PSR3000-54A AC power supplies are available for the router. Table2-3 describes the AC power supply specifications.

Table2-3 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. Thread a flat-blade screwdriver through the hole in the handle of the filler panel and pull the filler panel out.

Figure2-9 Removing a filler panel

2. Correctly orient the power supply.

3. 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.

Figure2-10 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.

To connect an AC power cord:

1. Route the power cord along the cable ladder.

2. Connect the AC power cord connector to the AC input receptacle on the power supply.

3. Use a removable cable tie or Velcro strap to secure power cord to the handle of the AC power supply.

4. Connect the other end of the power cord to the AC power distribution panel in the equipment room.

5. Use cable clips every 250 mm (9.84 in) to bind the power cord to the rack.

6. Affix cable labels to the power cord 20 mm (0.79 in) to each end of the power cord.

Figure2-11 Connecting an AC power cord (using a removable cable tie)

Installing MPUs

CAUTION:

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

· If you are not to install an MPU in an MPU slot, keep the filler panel in the slot.

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.

3. Open the ejector levers of the MPU.

4. Insert the MPU steadily into the slot along slide rails.

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

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

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

Figure2-12 Installing an MPU

Installing interface modules

CAUTION:

If you are not to install an interface module in an interface module slot, keep the filler panel in the slot.

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.

Figure2-13 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 Figure2-14.

Keep the removed protection box secure for future use.

The number of screws for securing the protection box in Figure2-14 is for illustration only and the actual number of screws on your interface module might differ from that.

Figure2-14 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.

Figure2-15 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.

Figure2-16 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 Figure2-17, 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.

Figure2-17 Closing an ejector lever

9. As shown in Figure2-18, 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.

Figure2-18 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 module. Gently push the module into the slot along the guide rails.

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

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

6. Pivot up the ejector levers on the module.

Figure2-19 Installing an interface module with ejector levers

Installing interface subcards

CAUTION:

If you are not to install an interface subcard in a slot on an interface module, keep the filler panel in the slot.

For the interface subcard compatibility with interface modules, see H3C CR19000-16 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. Correctly orient the interface subcard and 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 screw on the interface subcard.

Figure2-20 Installing an interface subcard

Installing cable management brackets

The cable management brackets are to be installed along the left and right edges of the interface module slots.

To install a cable management bracket, insert the cable management bracket end that has a spring tab into the cable management bracket hole until the bracket has close contact with the hole, as shown in Figure2-21.

Figure2-21 Installing cable management brackets

NOTE:

You must press the spring tab while removing a cable management bracket.

Installing fabric modules

CAUTION:

· If you are not to install a fabric module in a fabric module slot, keep the filler panel in the slot.

· The router does not allow a mixture of different models of fabric modules.

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

Installing a fabric module

The router provides six vertical fabric module slots at the rear and comes with all the fabric module slots empty.

The router supports N+1 fabric module redundancy. You can install two 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.

Keep the removed protection box secure.

Figure2-22 Removing the protection box

2. Press the spring clip for each ejector lever of the fabric module to release the ejector levers.

3. Orient the fabric module with the "Up" sign facing up. Align the fabric module with the target slot and insert it into the slot along the guide rails.

4. Continue to push the fabric module until the brakes on its ejector levers touch the slot edges tightly. Press the spring clip and close the ejector lever until the spring clip locks the ejector levers in place.

Figure2-23 Installing a fabric module

Installing a filler panel in a fabric module slot

1. Loosen the captive screws on the ejector levers and open the ejector levers.

2. Align the filler panel with the fabric module slot. Push the filler panel slowly into the slot along the guide rails.

3. Continue to push the filler panel until the brakes on its ejector levers touch the slot edges tightly. Simultaneously close the ejector levers.

4. Fasten the captive screws on the ejector levers.

Figure2-24 Installing a filler panel in a fabric module slot

Installing fan trays

CAUTION:

· The fan tray is high and heavy. To avoid device damage, use two people to install or remove a fan tray.

· To ensure adequate heat dissipation, make sure the router has two fan trays installed.

IMPORTANT:

A fan tray covers fabric module slots. Install fabric modules or filler panels in the fabric module slots before installing a fan tray.

The procedure is the same for installing a fan tray in the FAN1 slot and FAN2 slot. The following procedure installs a fan tray in the FAN1 slot.

To install a fan tray:

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

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

3. Holding the fan tray handles, steadily insert the fan tray way into the slot.

4. Fasten the captive screws on the fan tray.

Figure2-25 Installing a fan tray

Verifying the installation

Table2-4 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 input line. · Turn off the circuit breaker before you connect the power cord. · The power supply system can output enough voltage to ensure the normal operation of the router. · Locate the emergency power-off switch in the room before installation so you can quickly shut power off when an electrical accident occurs.

Accessing the router

Using a console cable to connect the router to a configuration terminal

Setting up the configuration environment

IMPORTANT:

When you connect a PC to a powered-on router, first connect the DB-9 connector of the console cable to the PC, and then connect the RJ-45 connector to the router.

To connect a configuration terminal to the router by using a console cable:

1. Select a configuration terminal, which can be a character terminal with an RS-232 serial port, or a PC.

2. Plug the DB-9 female connector of the console cable into the serial port on the configuration terminal and the RJ-45 connector into the console port on the router.

Setting terminal parameters

To configure and manage the router through the console port, you must run a terminal emulator program, TeraTermPro or PuTTY, on your configuration terminal. You can use the emulator program to connect a network device, a Telnet site, or an SSH site. For more information about the terminal emulator programs, see the user guides for these programs.

Start the terminal emulator program and configure the parameters as follows:

· Bits per second—9600.

· Data bits—8.

· Stop bits—1.

· Parity—None.

· Flow control—None.

Starting the router

1. Power on the router.

2. Verify the following items:

¡ The LEDs on the front panel are normal. For the LED description, see H3C CR19000-16 Core Router Hardware Information and Specifications.

¡ The configuration terminal displays information normally.

BootWare Validating...

Press Ctrl+B to enter extended boot menu...

Starting to get the main application file--cfa0:/main.bin!............

............................................................................

...

The main application file is self-decompressing.............................

............................................................................

....................................................................Done!

System application is starting...

Mainboard 1 is master.

User interface con1 is available.

Press ENTER to get started. (Press Enter.)

<sysname> (The router is ready for configuration.)

Configuring basic settings

Configure basic settings for the router after the router starts up. For more information about how to configure the router, see H3C CR19000 Core Routers Configuration Guides and H3C CR19000 Core Routers Command References.

H3C CR19000-16 Core Router Installation Guide-6W102

2 Installing the router

Installation flowchart

Rack-mounting the router

Grounding the router

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