To avoid any equipment damage or bodily injury caused by incorrect use, read the following safety recommendations before installation. Note that the recommendations do not cover every possible hazardous condition.

· Before cleaning the device, remove all power cords from the device. Do not clean the device with wet cloth or liquid.

· Do not place the device near water or in a damp environment. Prevent water or moisture from entering the device chassis.

· Do not place the device on an unstable case or desk. The device might be severely damaged in case of a fall.

· Ensure good ventilation of the equipment room and keep the air inlet and outlet vents of the device free of obstruction.

· Connect the yellow-green protection grounding cable before power-on.

· Make sure the operating voltage is in the required range.

· To avoid electrical shocks, do not open the chassis while the device is operating or when the device is just powered off.

· When replacing field replaceable units (FRUs), including power supplies and fan trays, wear an ESD wrist strap to avoid damaging the units.

Examining the installation site

The device must be used indoors.

Mount your device in a rack and verify the following items:

· Adequate clearance is reserved at the air inlet and outlet vents for ventilation.

· The rack has a good ventilation system.

· Identify the hot aisle and cold aisle at the installation site, and make sure ambient air flows into the device from the cold aisle and exhausts to the hot aisle.

· Identify the airflow designs of neighboring devices, and prevent hot air flowing out of the neighboring devices from entering the top device.

· The rack is sturdy enough to support the device and its accessories.

· The rack is reliably grounded.

To ensure correct operation and long service life of your device, install it in an environment that meets the requirements described in the following subsections.

Temperature/humidity

Maintain appropriate temperature and humidity in the equipment room.

· 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.

· High temperature can accelerate the aging of insulation materials and significantly lower the reliability and lifespan of the device.

For the temperature and humidity requirements for the device, see H3C S12500R-48Y8C Switch Router Hardware Information and Specifications.

Cleanliness

Dust buildup on the chassis might cause electrostatic adsorption and dust corrosion, resulting in poor contact of metal connectors and contact points. This might shorten the device's lifetime and even cause device failure in the worst case. Table1-1 describes the device requirement for cleanliness.

Table1-1 Device requirement for cleanliness

Substance	Particle diameter	Concentration limit
Dust particles	≥ 0.5 µm	≤ 1.8 × 107 particles/m3

To maintain cleanliness in the equipment room, follow these guidelines:

· Keep the equipment room away from pollution sources. Do not smoke, eat, or drink in the equipment room.

· Use double-layer glass in windows and seal doors and windows with dust-proof rubber strips. Use screen doors and window screens for doors and windows open to the outside and make sure the external windows are air tight.

· Use dustproof materials for floors, walls, and ceilings and use wallpaper or matt paint that does not produce powders.

· Clean the equipment room regularly and clean the air filters of the rack each month.

· Wear ESD clothing and shoe covers before entering the equipment room, keep the ESD clothing and shoe covers clean, and change them frequently.

Corrosive gas limit

Corrosive gases can accelerate corrosion and aging of metal components. Make sure the corrosive gases do not exceed the concentration limits as shown in Table1-2.

Table1-2 Corrosive gas concentration limits

Gas	Average concentration (mg/m3)	Maximum concentration (mg/m3)
SO2	0.3	1.0
H2S	0.1	0.5
Cl2	0.1	0.3
HCI	0.1	0.5
HF	0.01	0.03
NH3	1.0	3.0
O3	0.05	0.1
NOX	0.5	1.0

CAUTION:

As a best practice, control the corrosive gas concentrations in the equipment room at their average values. Make sure the corrosive gas concentrations do not exceed 30 minutes per day at their maximum values.

To control corrosive gases, use the following guidelines:

· As a best practice, do not build the equipment room in a place with a high concentration of corrosive gases.

· Make sure the equipment room is not connected to sewer, vertical shaft, or septic tank pipelines and keep it far away from these pipelines. The air inlet of the equipment room must be away from such pollution sources.

· Use environmentally friendly materials to decorate the equipment room. Avoid using organic materials that contains harmful gases, such as sulfur or chlorine-containing insulation cottons, rubber mats, sound-proof cottons, and avoid using plasterboards with high sulfur concentration.

· Place fuel (diesel or gasoline) engines separately. Do not place them in the same equipment room with the device. Make sure the exhausted air of the engines will not flow into the equipment room or towards the air inlet of the air conditioners.

· Place batteries separately. Do not place them in the same room with the device.

· Employ a professional company to monitor and control corrosive gases in the equipment room regularly.

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.

· Inductance coupling.

· Electromagnetic wave radiation.

· Common impedance (including the grounding system) coupling.

To prevent EMI, use the following guidelines:

· 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.

· To prevent signal ports from getting damaged by overvoltage or overcurrent caused by lightning strikes, route interface cables only indoors.

Laser safety

WARNING!

· The device is a Class 1M laser device.

· 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.

Installation tools

No installation tools are provided with the device. Prepare the following tools yourself:

· Phillips screwdriver.

· ESD wrist strap.

· Marker.

Installation accessories

Before installation, make sure you have all the required installation accessories. If any accessory is damaged or missing, use the part No. provided in this table to purchase a new one.

Table1-3 Installation accessories

Part No.	Description	Configuration	Applicable device models
2150A0AN	Mounting brackets	1 kit, provided	S12500R-48Y8C
2150A050	1U rack mounting rail kit (long slide rails)	1 kit, provided	S12500R-48Y8C
2150A0CP	1U rack mounting rail kit (super-short slide rails)	Optional	S12500R-48Y8C
-	M6 screw and cage nut	User supplied	S12500R-48Y8C
0404A1RA	Grounding cable	1, provided	S12500R-48Y8C
-	Grounding screw	2, provided	S12500R-48Y8C
2114A09C	Power supply filler panel	1, provided	S12500R-48Y8C
2110A042	Releasable cable tie	1, provided You need to prepare releasable cable ties yourself for the PSR650B-12AHD-F power supply.	S12500R-48Y8C
04042967	Serial console cable	Optional	S12500R-48Y8C
0404A1EE	USB-to-RJ45 console cable	Optional	S12500R-48Y8C
14990101	SFP port plug	Same number as the SFP28 ports	S12500R-48Y8C
1499A01G	QSFP port plug	Same number as the QSFP28 ports	S12500R-48Y8C

2 Installing the device

CAUTION:

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

Figure2-1 Device installation flow

Installing the device in a 19-inch rack

Rack-mounting procedures at a glance

Use mounting brackets, slide rails, and chassis rails to rack-mount the device.

Figure2-2 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.

Rack-mounting requirements

Figure2-3 Chassis dimensions (mounting brackets installed at the port side)

(1) Fan tray handle	(2) Power supply handle
(3) Mounting bracket

Figure2-4 Chassis dimensions (mounting brackets installed at the power supply side)

(1) Fan tray handle	(2) Power supply handle
(3) Mounting bracket

Table2-2 Rack dimension requirements

Installation method	Chassis dimensions	Distance between the front and rear rack posts	Rack depth requirements
Mounting brackets and long slide rails (provided)	· Height—44.0 mm (1.73 in)/1 RU · Width—440 mm (17.32 in) · Depth—486 mm (19.13 in) ¡ 460 mm (18.11 in) for the chassis ¡ 26 mm (1.02 in) for the power supply/fan tray handles	692 to 853 mm (27.24 to 33.58 in)	· A minimum of 800 mm (31.50 in) in depth (recommended) · A minimum of 130 mm (5.12 in) between the front rack post and the front door. · A minimum of 550 mm (21.65 in) between the front rack post and the rear door.
Mounting brackets and super-short slide rails (optional, chassis rails not reaching out of the chassis)		401 to 565 mm (15.79 to 22.24 in)
Mounting brackets and super-short slide rails (optional, chassis rails reaching out of the chassis)		499 to 692 mm (19.65 to 27.24 in)

Installation accessories

Table2-3 Installation accessories

Device model	Mounting brackets (provided)	Cable management brackets	Rack mounting rail kit
S12500R-48Y8C	1U high, one pair. See Figure2-5.	N/A	1U high, including one pair of long slide rails and one pair of chassis rails (provided). See Figure2-6.
S12500R-48Y8C	1U high, one pair. See Figure2-5.	N/A	1U high, including one pair of super-short slide rails and one pair of chassis rails (optional). See Figure2-7.

Figure2-5 Mounting brackets provided with the device

Figure2-6 1U long slide rail and chassis rail

(1) Chassis rail	(2) Long slide rail

Figure2-7 1U super-short slide rail and chassis rail

(1) Chassis rail	(2) Super-short slide rail

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 has one grounding point.

Select installation positions for the mounting brackets and grounding cable as required.

Figure2-8 Mounting brackets and grounding cable installation positions

(1) Grounding point

(2) Power supply-side installation position for the mounting bracket

(3) Port-side installation position for the mounting bracket

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 appropriate screw holes in the chassis. Use the provided M4 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 the M4 screws.

¡ To install the mounting brackets at the port-side mounting position, see Figure2-9, Figure2-10, and Figure2-11.

¡ To install the mounting brackets at the power supply-side mounting position, see Figure2-12, Figure2-13, and Figure2-14.

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.

Table2-4 Chassis rail installation position

Device model	Mounting bracket position	Distance between the front and rear rack posts	Chassis rail installation position
S12500R-48Y8C (long slide rails)	Port-side mounting position, as shown in Figure2-9	692 to 788 mm (27.24 to 31.02 in)	Position a
	Port-side mounting position, as shown in Figure2-9	692 to 853 mm (27.24 to 33.58 in)	Position b
	Power supply-side mounting position, as shown in Figure2-12	692 to 788 mm (27.24 to 31.02 in)	Position c
S12500R-48Y8C (super-short slide rails, chassis rails not reaching out of the chassis)	Port-side mounting position, as shown in Figure2-10	401 to 500 mm (15.79 to 19.69 in)	Position a
	Port-side mounting position, as shown in Figure2-10	457 to 565 mm (17.99 to 22.24 in)	Position b
	Power supply-side mounting position, as shown in Figure2-13	401 to 500 mm (15.79 to 19.69 in)	Position c
S12500R-48Y8C (super-short slide rails, chassis rails reaching out of the chassis)	Port-side mounting position, as shown in Figure2-11	499 to 627 mm (19.65 to 24.69 in)	Position a
	Port-side mounting position, as shown in Figure2-11	564 to 692 mm (22.20 to 27.24 in)	Position b
	Power supply-side mounting position, as shown in Figure2-14	499 to 627 mm (19.65 to 24.69 in)	Position c

3. Place the chassis rail against the chassis side panel. Align the chassis rail installation holes with the screw holes. Use the provided M4 screws to attach the chassis rail to the chassis. See Figure2-9 to Figure2-14.

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

You can use super-short slide rails and long chassis rails to rack-mount the device. Based on the rack depth, install the long chassis rails with the chassis rails not reaching out of the chassis, as shown in Figure2-10 and Figure2-13 or with the chassis rails reaching out of the chassis, as shown in Figure2-11 and Figure2-14.

Figure2-9 Attaching the mounting brackets and chassis rails to the device (port-side mounting position for the mounting brackets, long slide rails)

Figure2-10 Attaching the mounting brackets and chassis rails to the device (port-side mounting position for the mounting brackets, super-short slide rails, chassis rails not reaching out of the chassis)

Figure2-11 Attaching the mounting brackets and chassis rails to the device (port-side mounting position for the mounting brackets, super-short slide rails, chassis rails reaching out of the chassis)

Figure2-12 Attaching the mounting brackets and chassis rails to the device (power supply-side mounting position for the mounting brackets, long slide rails)

Figure2-13 Attaching the mounting brackets and chassis rails to the device (power supply-side mounting position for the mounting brackets, super-short slide rails, chassis rails not reaching out of the chassis)

Figure2-14 Attaching the mounting brackets and chassis rails to the device (power supply-side mounting position for the mounting brackets, super-short slide rails , chassis rails reaching out of the chassis)

NOTE:

Secure the mounting brackets and chassis rails to the two sides of the chassis in the same way.

Connecting the grounding cable to the chassis

IMPORTANT:

If the grounding cable length or terminal type cannot meet your requirement, make an applicable grounding cable or contact H3C Support.

The device has one grounding point (with a grounding sign). You can use a grounding cable with single-hole lug or dual-hole lug. Use M5 grounding screws to attach the grounding cable to the device.

To connect the grounding cable:

1. Unpack the grounding cable and grounding screws.

2. Use the grounding screws to attach the grounding lug of the grounding cable to the grounding holes at the grounding point. Use a screwdriver to fasten the screws. See Figure2-15 and Figure2-16.

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

Figure2-15 Attaching a grounding cable with a single-hole lug to the grounding point

Figure2-16 Attaching a grounding cable with a dual-hole lug to the grounding point

Attaching the slide rails to the rack

Before mounting the device in a rack, attach cage nuts for securing the mounting brackets and slide rails to the rack, and attach the slide rails to the rack.

To attach 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 Figure2-17.

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

Figure2-17 Installing the 1U 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.

3. Verify that the slide rails have been correctly attached to the rear rack posts.

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:

If you use long slide rails to rack-mount the device, make sure the front ends of the long slide rails reach out of the chassis rails for a maximum of 20 mm (0.79 in). If you use super-short slide rails to rack-mount the device, make sure the front ends of the super-short slide rails reach inside the chassis rails for a minimum of 90 mm (3.54 in) after installation.

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

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

Figure2-18 Mounting the device in the rack (port-side mounting position for the mounting brackets)

Figure2-19 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.

· To guarantee the grounding effect, use the (yellow-green) grounding cable provided with the switch to ground the device.

NOTE:

· The grounding terminal position in this section is for illustration only.

You can ground a device by using a grounding strip on the rack or in the equipment room.

To connect the grounding cable:

1. Unpack the grounding cable.

2. Attach one end of the grounding cable to the grounding point on the chassis. For more information, see "Connecting the grounding cable to the chassis."

3. Connect the other end of the grounding cable to a grounding strip.

Figure2-20 Connecting the grounding cable

(1) Grounding point

(2) Secure the grounding lug to the grounding point

Installing/removing fan trays

CAUTION:

The device has multiple fan tray slots. To ensure good ventilation of the device, follow these guidelines to install and remove fan trays:

· The device comes 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 multiple 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 a fan tray within 3 minutes.

The installation and removal methods are the same for the fan trays. This section uses the FAN-40B-1-C fan tray as an example.

Installing a fan tray

CAUTION:

· When installing the fan tray, first orient the fan tray with the LED position as indicated in the label on the device (as shown in Figure2-21).

· 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 H3C S12500R-48Y8C Switch Router Hardware Information and Specifications.

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. Face the fan tray slot and orient the fan tray with the LED position as illustrated in the label on the device. 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 Figure2-21.

Figure2-21 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.

Figure2-22 Removing a fan tray

Installing/removing power supplies

WARNING!

· To avoid bodily injury and device damage, strictly follow the procedures in Figure2-23 and Figure2-24 to install and remove a power supply.

· Provide a separate circuit breaker for each power supply.

The device has two power supply slots. It comes with one power supply slot empty and one installed with a filler panel. You can install power supplies for the device as required.

For information about the available power supplies and their specifications, see H3C S12500R-48Y8C Switch Router Hardware Information and Specifications.

Figure2-23 Installation procedure

Figure2-24 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.

The installation procedure is the same for the power supplies. This section uses the LSVM1AC650 power supply as an example.

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 Figure2-25.

Figure2-25 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. Make sure the latch is locked.

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.

Figure2-26 Installing a power supply (LSVM1AC650)

Removing a power supply

CAUTION:

· When the device has two power supplies in 1+1 redundancy mode, removing one power supply does not affect the operation of the device. When the device has only one power supply installed, removing the power supply powers off the device.

The removal procedure is the same for the power supplies.

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, as shown in Figure2-27.

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 Figure2-28.

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 Figure2-29.

Figure2-27 Removing the DC power cord

(1) Press the tabs on the power cord connector with your thumb and forefinger
(2) Pull the power cord connector out

Figure2-28 Removing the power supply

(1) Pivot the latch to the right with your thumb	(2) Pull the power supply out

Figure2-29 Installing a filler panel

Connecting the power cord

WARNING!

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

Connecting the power cord for the LSVM1AC650/PSR650B-12A2-F/PSR650B-12AHD-F power supply

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 Figure2-30.

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

Figure2-30 Connecting an AC power cord to the LSVM1AC650 power supply

(1) Cable tie
(2) Tighten the 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 Figure2-31).

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 cable tie to secure the power cord to the handle of the power supply, as shown in Figure2-30.

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

Figure2-31 Connecting a DC power cord to the LSVM1DC650 power supply

If the provided DC power cord cannot meet your connection requirements, use the following table to prepare a suitable copper cable as the DC power cord.

Table2-5 Requirements for a suitable DC power cord

Power supply model	Power cord connector	Minimum cross sectional area of the conductor	Cross sectional area of the provided power cord	Maximum cross sectional area of the conductor
LSVM1DC650	Use the connector of the provided power cord	3.3 mm2 or 12 AWG	3.3 mm2 or 12 AWG	5.3 mm2 or 10 AWG

Verifying the installation

After you complete the installation, verify that:

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

· The grounding cable is securely connected.

· The correct power source is used.

· The power cords are correctly connected.

· All the interface cables are cabled indoors. The device does not support outdoor cable routing.

3 Accessing the device for the first time

Connecting the device to a configuration terminal

You can use a serial console cable to connect the serial console port on the device to a configuration terminal.

The example uses a serial console cable to connect the serial console port on the device to a PC.

Figure3-1 Connecting the serial console port to a terminal

As shown in Table3-1, two types of console cables can be used for connecting the device to a configuration terminal. No serial console cable is provided with the device. Prepare one yourself.

Table3-1 Connection methods and console cables

Connection method	Console cable type	Configuration terminal-side connector	Device-side connector
Using the serial console port for connection	DB9-to-RJ45 console cable	DB-9 female connector	RJ-45 connector
Using the serial console port for connection	USB-to-RJ45 console cable	USB connector	RJ-45 connector

The signal pinout for the RJ-45 connector of a serial console cable varies by vendor. To avoid abnormal configuration terminal display, use a serial console cable provided by H3C as shown in Table3-2. To prepare a serial console cable yourself, make sure the signal pinout for the RJ-45 connector is as shown in Table3-3.

Table3-2 Console cable views

Console cable type	Console cable view	Product code for the recommended H3C console cable
DB9-to-RJ45 console cable		04042967
USB-to-RJ45 console cable		0404A1EE

Connecting a DB9-to-RJ45 console cable

A serial console cable is an 8-core cable, with a crimped RJ-45 connector at one end for connecting to the serial console port of the device, and a DB-9 female connector at the other end for connecting to the serial port on the console terminal.

Figure3-2 Serial console cable

Table3-3 Console cable pinout

RJ-45	Signal	DB-9	Signal
1	RTS	8	CTS
2	DTR	6	DSR
3	TXD	2	RXD
4	SG	5	SG
5	SG	5	SG
6	RXD	3	TXD
7	DSR	4	DTR
8	CTS	7	RTS

To connect a configuration terminal (for example, a PC) to the device through a DB9-to-RJ45 console cable:

1. Plug the DB-9 female connector of the DB9-to-RJ45 console cable to the serial port on the PC.

2. Connect the RJ-45 connector to the serial console port on the device.

NOTE:

· Identify the mark on the console port and make sure you are connecting to the correct port.

· The serial ports on PCs do not support hot swapping. To connect a PC to an operating device, first connect the PC end. To disconnect a PC from an operating device, first disconnect the device end.

Connecting a USB-to-RJ45 console cable

IMPORTANT:

· To use a USB-to-RJ45 console cable to connect the switch to a configuration terminal, first download and install the USB-to-RJ45 console driver on the configuration terminal and then connect the USB-to-RJ45 console cable to the configuration terminal.

· If you have connected a USB-to-RJ45 console cable to the configuration terminal before driver installation, you must remove and reconnect the USB-to-RJ45 console cable to the configuration terminal.

For information about the signal pinout for the RJ-45 connector of a USB-to-RJ45 console cable, see Table3-3.

The following procedure describes how to install the driver on the Windows system. To install the driver on other operating systems, see the installation guide in the driver compression package named by the corresponding operating system.

To connect the switch to the configuration terminal through a USB-to-RJ45 console cable:

1. Click the following link, or copy it to the address bar on your browser and download the USB-to-RJ45 console driver.

http://www.h3c.com/en/home/USB_to_RJ45_Console/

2. View the TXT file Read me in the Windows folder to check whether the Windows system of the configuration terminal supports the driver.

3. If the Windows system supports the driver, install PL23XX-M_LogoDriver_Setup_v200_20190815.exe.

4. Click Next on the welcome page of the driver installation wizard.

Figure3-3 Driver installation wizard

5. Click Finish after the drive installation is completed.

Figure3-4 Finishing the driver installation

6. Connect the standard USB connector of the cable to the USB port of the configuration terminal.

7. Connect the RJ-45 connector of the cable to the console port of the switch.

Setting terminal parameters

To configure and manage the device 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

The following are the required terminal settings:

· Bits per second—9600.

· Data bits—8.

· Stop bits—1.

· Parity—None.

· Flow control—None.

Starting the device

1. Before powering on the device, verify that the following conditions are met:

¡ All the fan tray slots have a fan tray installed.

¡ The power cords are connected correctly.

¡ The input power voltage is as required by the device.

¡ The console cable is connected correctly.

¡ The configuration terminal (a PC, for example) has started, and its serial port settings are consistent with the console port settings on the device.

2. Power on the device.

During the startup process, you can access BootWare menus to perform tasks such as software upgrade and file management. The BootWare interface and menu options vary by software version. For more information about BootWare menu options, see the software-matching release notes for the device.

3. After the startup completes, you can access the CLI to configure the device.

For more information about the configuration commands and CLI, see H3C S12500R-48Y8C & S12500R-48C6D Switch Router Configuration Guides and H3C S12500R-48Y8C & S12500R-48C6D Switch Router Command References.

4 Maintenance and troubleshooting

Power supply failure

The device uses removable power supplies. You can determine whether a power supply is faulty by observing the status LED on the power supply. For information about the LEDs on a power supply, see the user manual for the power supply.

Symptom

· The status LED is not steady green or flashing green on an LSVM1AC650, LSVM1DC650, or PSR650B-12AHD-F power supply

· The status LED is not steady green on a PSR650B-12A2-F power supply.

Solution

To resolve the issue:

1. Verify that the power cord is connected correctly.

2. Verify that the power source is as required by the device.

3. Verify that the operating temperature of the device is in the acceptable range and the power supply has good ventilation.

4. If the issue persists, contact H3C Support.

To replace a power supply, see "Installing/removing power supplies."

Fan tray failure

The device uses removable fan trays. You can determine whether a fan tray is faulty by observing the status LED on the fan tray.

CAUTION:

The device has four fan tray slots. If multiple fan trays fail when the device is operating, do not remove the fan trays at the same time. Replace the fan trays one after another and finish replacing a fan tray within 3 minutes.

Symptom

The configuration terminal displays nothing when the device is powered on.

Solution

To resolve the issue:

1. Verify that the power system is operating correctly.

2. Verify that the console cable is connected correctly.

3. Verify that the console cable does not have any problems and the terminal settings are correct.

4. If the issue persists, contact H3C Support.

Garbled display

Symptom

The configuration terminal has a garbled display.

Solution

To resolve the issue:

1. Verify that the following settings are configured for the terminal:

¡ Baud rate—9600.

¡ Data bits—8.

¡ Parity—None.

¡ Stop bits—1.

¡ Flow control—None.

2. If the issue persists, contact H3C Support.

H3C S12500R-48Y8C Switch Router Installation Guide-6W101

1 Preparing for installation

Safety recommendations

2 Installing the device

Attaching the mounting brackets and chassis rails to the chassis

Grounding the device

Installing/removing fan trays

Installing/removing power supplies

Removing a power supply

Connecting the power cord for the LSVM1AC650/PSR650B-12A2-F/PSR650B-12AHD-F power supply

Connecting a DC power cord

Starting the device

4 Maintenance and troubleshooting

Symptom

Solution

Symptom

Solution

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