H3C S6880 Switch Series Hardware Information and Specifications-5W100

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1 Product models and technical specifications

Product models

The S6880 switch series includes the following models:

 

Product code

Product model

LS-6880-48Y8C

S6880-48Y8C

LS-6880-48X8C

S6880-48X8C

 

Technical specifications

Table1-1 Technical specifications

Item

S6880-48Y8C

S6880-48X8C

Dimensions (H × W × D)

44.0 × 440 × 400 mm (1.73 × 17.32 × 15.75 in)

Weight

≤ 9 kg (19.84 lb)

Console port

1 × serial console port

Management Ethernet port

1

USB port

1

SFP+ port

N/A

48

SFP28 port

48

N/A

QSFP28 port

8

8

Fan tray slot

4

Power supply slot

2

Input voltage

PSR450-12A/PSR450-12A1:

·     AC input

¡     Rated voltage range: 100 to 240 VAC @ 50/60 Hz

¡     Max voltage range: 90 to 290 VAC @ 47 to 63 Hz

·     HVDC input

¡     Rated voltage range: 240 VDC

¡     Max voltage range: 180 to 320 VDC

PSR450-12AHD:

·     AC input

¡     Rated voltage range: 100 to 240 VAC @ 50/60 Hz

¡     Max voltage range: 90 to 290 VAC @ 47 to 63 Hz

·     HVDC input

¡     Rated voltage range e: 240 to 380 VDC

¡     Max voltage range: 180 to 400 VDC

PSR450-12D:

·     Rated voltage range: –48 to –60 VDC

·     Max voltage range: –36 to –72 VDC

Power consumption (static)

·     Single AC input: 67.72 W

·     Dual AC inputs: 77.86 W

·     Single DC input: 68.39 W

·     Dual DC inputs: 75.09 W

·     Single AC input: 67.72 W

·     Dual AC inputs: 77.86 W

·     Single DC input: 68.39 W

·     Dual DC inputs: 75.09 W

Power consumption (fully configured)

·     Single AC input: 285.4 W

·     Dual AC inputs: 283.5 W

·     Single DC input: 294.5 W

·     Dual DC inputs: 298 W

·     Single AC input: 280.4 W

·     Dual AC inputs: 278.5 W

·     Single DC input: 289.5 W

·     Dual DC inputs: 293 W

Chassis leakage current compliance

·     UL62368-1

·     EN62368-1

·     IEC62368-1

·     UL60950-1

·     EN60950-1

·     IEC60950-1

·     GB4943.1

Melting current of power supply fuse

·     PSR450-12A/PSR450-12A1/PSR450-12AHD: 10 A @ 250 V

·     PSR450-12D: 20 A @ 125 V

Operating temperature

–5°C to +45°C (23°F to 113°F)

Relative humidity

5% RH to 95% RH, noncondensing

Fire resistance compliance

·     UL62368-1

·     EN62368-1

·     IEC62368-1

·     UL60950-1

·     EN60950-1

·     IEC60950-1

·     GB4943.1

 


2 Chassis views

S6880-48Y8C

Figure2-1 Front panel

(1) SFP28 port

(2) SFP28 port LED

(3) QSFP28 port

(4) QSFP28 port LED

(5) System status LED (SYS)

 

 

Figure2-2 Rear panel

(1) Management Ethernet port LED (ACT)

(2) Management Ethernet port LED (LINK)

(3) Serial console port

(4) Removable fan tray 1

(5) Removable fan tray 2

(6) Removable fan tray 3

(7) Removable fan tray 4

(8) Removable power supply 1 (PWR1)

(9) Removable power supply 2 (PWR2)

(10) USB port

(11) Reset button

(12) SSD slot (reserved for future use)

(13) Management Ethernet port (MGMT)

(14) Grounding screw

 

The S6880-48Y8C switch came with power supply slot PWR1 empty and power supply slot PWR2 installed with a filler panel. You can install one or two power supplies for the switch as needed. In Figure2-2, two PSR450-12A1 power supplies are installed in the power supply slots.

The S6880-48Y8C switch came with the four fan tray slots empty. You must install four fan trays of the same model for the switch. In Figure2-2, four FAN-40B-1-A fan trays are installed in the fan tray slots.

The S6880-48Y8C switch provides a reset button on the rear panel for you to reset the switch.

To use both the console port and USB port on the S6880-48Y8C switch, use a small-sized USB drive or a USB extension cable.

S6880-48X8C

Figure2-3 Front panel

(1) SFP+ port

(2) SFP+ port LED

(3) QSFP28 port

(4) QSFP28 port LED

(5) System status LED (SYS)

 

 

Figure2-4 Rear panel

(1) Management Ethernet port LED (ACT)

(2) Management Ethernet port LED (LINK)

(3) Serial console port

(4) Removable fan tray 1

(5) Removable fan tray 2

(6) Removable fan tray 3

(7) Removable fan tray 4

(8) Removable power supply 1 (PWR1)

(9) Removable power supply 2 (PWR2)

(10) USB port

(11) Reset button

(12) SSD slot (reserved for future use)

(13) Management Ethernet port (MGMT)

(14) Grounding screw

 

The S6880-48X8C switch came with power supply slot PWR1 empty and power supply slot PWR2 installed with a filler panel. You can install one or two power supplies for the switch as needed. In Figure2-4, two PSR450-12A1 power supplies are installed in the power supply slots.

The S6880-48X8C switch came with the four fan tray slots empty. You must install four fan trays of the same model for the switch. In Figure2-4, four FAN-40B-1-A fan trays are installed in the fan tray slots.

The S6880-48X8C switch provides a reset button on the rear panel for you to reset the switch.

To use both the console port and USB port on the S6880-48X8C switch, use a small-sized USB drive or a USB extension cable.


3 FRUs

The switch uses modular design. Table3-1 describes the FRUs available for the switch.

Table3-1 FRUs available for the switch

FRUs

·     S6880-48Y8C/S6880-48X8C

Power supplies

PSR450-12A

Yes

PSR450-12A1

Yes

PSR450-12AHD

Yes

PSR450-12D

Yes

Fan trays

FAN-40B-1-A

Yes

FAN-40F-1-A

Yes

 

Power supplies

CAUTION

CAUTION:

When the switch has power supplies in 1+1 redundancy, you can replace a power supply without powering off the switch. Before replacing a power supply, make sure it is powered off.

 

The switch uses removable power supplies. You can install one power supply, or two power supplies in 1+1 redundancy for the switch.

You can install two power supplies of different models on the same switch.

Table3-2 Power supply specifications

Power supply model

Item

Specifications

PSR450-12A

PSR450-12A1

AC input

Rated input voltage

100 to 240 VAC @ 50 or 60 Hz

Max input voltage

90 to 290 VAC @ 47 to 63 Hz

Max output power

450 W

HVDC input

Rated input voltage

240 VDC

Max input voltage

180 to 320 VDC

Max output power

450 W

PSR450-12AHD

AC input

Rated input voltage

100 to 240 VAC @ 50 or 60 Hz

Max input voltage

90 to 290 VAC @ 47 to 63 Hz

Max output power

450 W

HVDC input

Rated input voltage

240 to 380 VDC

Max input voltage

180 to 400 VDC

Max output power

450 W

PSR450-12D

DC input

Rated input voltage

–48 to –60 VDC

Max input voltage

–36 to –72 VDC

Max output power

450 W

 

Fan trays

CAUTION

CAUTION:

For adequate heat dissipation, you must install fan trays of the same model for the switch.

 

Table3-3 Fan tray specifications

Fan tray model

Item

Specifications

·     FAN-40B-1-A (from the port side to the power supply side)

·     FAN-40F-1-A (from the power supply side to the port side)

Dimensions (H × W × D)

40 × 40.6 × 117 mm (1.57 × 1.60 × 4.61 in)

Fan speed

21000 R.P.M

Max airflow

26 CFM (0.74 m3/min)

Input voltage

12 V

Maximum power consumption

27.72 W

Documentation reference

H3C FAN-40F-1-A & FAN-40B-1-A Fan Trays User Guide

 


4 Ports and LEDs

As a best practice, use H3C transceiver modules and cables for the switch. H3C transceiver modules and cables are subject to change over time. For the most up-to-date list of H3C transceiver modules and cables, contact H3C Support or marketing staff. For information about the specifications and views of H3C transceiver modules and cables, see H3C Transceiver Modules User Guide.

Ports

Console port

Table4-1 Console port specifications

Item

Specification

Connector type

RJ-45

Compliant standard

EIA/TIA-232

Transmission baud rate

9600 bps (default) to 115200 bps

Services

·     Provides connection to an ASCII terminal.

·     Provides connection to a serial port of a local terminal (for example a PC) running a terminal emulation program.

Compatible devices

All device models

 

Management Ethernet port

Table4-2 Management Ethernet port specifications

Item

Specification

Connector type

RJ-45

Port transmission rate

·     10 Mbps, half/full duplex

·     100 Mbps, half/full duplex

·     1000 Mbps, full duplex

·     MDI/MDI-X autosensing

Transmission medium

Category 5 or above twisted pair cable

Max transmission distance

100 m (328.08 ft)

Compliant standard

IEEE 802.3i, 802.3u, and 802.3ab

Functions and services

Connects to a computer or remote network management work station for upgrading and managing applications and Boot ROM

Compatible devices

All device models

 

USB port

The USB port supplies power as per USB 2.0 specifications. Use only USB 2.0-compliant USB devices for the USB port. The port might not identity USB devices that are not compliant with USB 2.0.

 

 

NOTE:

USB devices from different vendors vary in compatibilities and drivers. H3C does not guarantee correct operation of USB devices from other vendors on the switch. If a USB device fails to operate on the switch, replace it with one from another vendor.

 

Table4-3 USB port specifications

Item

Specification

Interface type

USB 2.0

Compliant standard

OHC

Port transmission rate

Uploads and downloads data at a rate up to 480 Mbps

Functions and services

Accesses the file system on the flash of the switch, for example, to upload or download application and configuration files

Compatible devices

All device models

 

SFP+ port

Table4-4 SFP+ port specifications

Item

Specification

Interface type

SFP+ port

Compatible transceiver modules and cables

·     SFP transceiver modules and cables in Table4-5.

·     10-GE SFP+ transceiver modules and cables in Table4-6, Table4-7, and Table4-8.

Compatible devices

S6880-48Y8C

 

Table4-5 GE SFP transceiver modules and cables available for the SFP+ ports

GE SFP transceiver module and cable

Central wavelength (nm)

Connector

Cable/Fiber type and diameter (µm)

Modal bandwidth (MHz × km)

Max transmission distance

SFP copper transceiver module

SFP-GE-T

SFP-GE-T-D

N/A

RJ-45

Twisted pair cable

N/A

100 m (328.08 ft)

SFP fiber transceiver module

SFP-GE-SX-MM850-A

SFP-GE-SX-MM850-D

850

LC

Multi-mode, 50/125

500

550 m (1804.46 ft)

400

500 m (1640.42 ft)

Multi-mode, 62.5/125

200

275 m (902.23 ft)

160

200 m (656.17 ft)

SFP-GE-LX-SM1310-A

SFP-GE-LX-SM1310-D

1310

LC

Single-mode, 9/125

N/A

10 km (6.21 miles)

Multi-mode, 50/125

500 or 400

550 m (1804.46 ft)

Multi-mode, 62.5/125

500

550 m (1804.46 ft)

SFP-GE-LH40-SM1310

SFP-GE-LH40-SM1310-D

1310

LC

Single-mode, 9/125

N/A

40 km (24.86 miles)

SFP-GE-LH40-SM1550

1550

LC

Single-mode, 9/125

N/A

40 km (24.86 miles)

SFP-GE-LH80-SM1550

SFP-GE-LH80-SM1550-D

1550

LC

Single-mode, 9/125

N/A

80 km (49.71 miles)

SFP-GE-LH100-SM1550

1550

LC

Single-mode, 9/125

N/A

100 km (62.14 miles)

SFP-GE-LX-SM1310-BIDI

·     TX: 1310

·     RX: 1490

LC

Single-mode, 9/125

N/A

10 km (6.21 miles)

SFP-GE-LX-SM1490-BIDI

·     TX: 1490

·     RX: 1310

LC

Single-mode, 9/125

N/A

10 km (6.21 miles)

SFP-GE-LH40-SM1310-BIDI

·     TX: 1310

·     RX: 1550

LC

Single-mode, 9/125

N/A

40 km (24.86 miles)

SFP-GE-LH40-SM1550-BIDI

·     TX: 1550

·     RX: 1310

LC

Single-mode, 9/125

N/A

40 km (24.86 miles)

SFP-GE-LH70-SM1490-BIDI

·     TX: 1490

·     RX: 1550

LC

Single-mode, 9/125

N/A

70 km (43.50 miles)

SFP-GE-LH70-SM1550-BIDI

·     TX: 1550

·     RX: 1490

LC

Single-mode, 9/125

N/A

70 km (43.50 miles)

SFP copper cable

SFP-STACK-Kit

N/A

N/A

SFP copper cable

N/A

1.5 m (4.92 ft)

 

Table4-6 10-GE SFP+ transceiver modules available for the SFP+ ports

10-GE SFP+ module

Central wavelength
(nm)

Connector

Fiber diameter
(µm)

Multimode fiber modal bandwidth
(MHz × km)

Max transmission distance

SFP-XG-SX-MM850-D

850

LC

Multi-mode, 50/125

2000

300 m (984.25 ft)

500

82 m (269.03 ft)

400

66 m (216.54 ft)

Multi-mode, 62.5/125

200

33 m (108.27 ft)

160

26 m (85.30 ft)

SFP-XG-LX-SM1310-D

1310

LC

Single-mode, 9/125

N/A

10 km (6.21 miles)

SFP-XG-LX-SM1270-BIDI

1270

LC

Single-mode, 9/125

N/A

10 km (6.21 miles)

SFP-XG-LX-SM1330-BIDI

1330

LC

Single-mode, 9/125

N/A

10 km (6.21 miles)

SFP-XG-LH40-SM1270-BIDI

1270

LC

Single-mode, 9/125

N/A

40 km (24.86 miles)

SFP-XG-LH40-SM1550

1550

LC

Single-mode, 9/125

N/A

40 km (24.86 miles)

SFP-XG-LH40-SM1330-BIDI

1330

LC

Single-mode, 9/125

N/A

40 km (24.86 miles)

SFP-XG-LH80-SM1550-BIDI

1550

LC

Single-mode, 9/125

N/A

80 km (49.71 miles)

SFP-XG-LH80-SM1490-BIDI

1490

LC

Single-mode, 9/125

N/A

80 km (49.71 miles)

SFP-XG-LH80-SM1550

1550

LC

Single-mode, 9/125

N/A

80 km (49.71 miles)

 

IMPORTANT

IMPORTANT:

·     BIDI transceiver modules transmit and receive different central wavelengths for bidirectional transmission of optical signals on a single fiber.

·     BIDI transceiver modules must be used in matched pairs. For example, if one end uses an SFP-XG-LX-SM1270-BIDI transceiver module, the other end must use an SFP-XG-LX-SM1330-BIDI transceiver module.

 

Table4-7 SFP+ copper cables available for the SFP+ ports

Cable description

Cable length

LSWM1STK

0.65 m (2.13 ft)

LSWM2STK

1.2 m (3.94 ft)

LSWM3STK

3 m (9.84 ft)

LSTM1STK

5 m (16.40 ft)

 

Table4-8 SFP+ AOC cables available for the SFP+ ports

Cable description

Cable length

SFP-XG-D-AOC-7M

7 m (22.97 ft)

SFP-XG-D-AOC-10M

10 m (32.81 ft)

SFP-XG-D-AOC-20M

20 m (65.62 ft)

 

SFP28 ports

Table4-9 SFP28 port specifications

Item

Specification

Interface type

SFP28 port

Compatible transceiver modules and cables

·     SFP28 transceiver modules and cables in Table4-10, Table4-11, and Table4-12

·     10-GE SFP+ transceiver modules and cables in Table4-6, Table4-7, and Table4-8.

Compatible devices

S6880-48Y8C

 

Table4-10 SFP28 transceiver modules available for the SFP28 ports

SFP28 transceiver module

Central wavelength (nm)

Connector

Fiber type and diameter (µm)

Modal bandwidth (MHz*km)

Maximum transmission distance

SFP-25G-SR-MM850

850

LC

Multimode, 50/125

2000

·     FEC negotiation disabled: 30 m (98.43 ft)

·     FEC negotiation enabled: 70 (229.66 ft)

4700

·     FEC negotiation disabled: 40 m (131.23 ft)

·     FEC negotiation enabled: 100 m (328.08 ft)

SFP-25G-LR-SM1310

1310

LC

Single mode, 9/125

N/A

10 km (6.21 miles)

 

 

NOTE:

For more information about FEC negotiation, see Ethernet interfaces in H3C S6880 Switch Series Layer 2–LAN Switching Configuration Guide.

 

Table4-11 25G SFP28 copper cables available for the SFP28 ports

25G SFP28 copper cable

Max transmission distance

SFP-25G-D-CAB-1M

1 m (3.28 ft)

SFP-25G-D-CAB-3M

3 m (9.84 ft)

SFP-25G-D-CAB-5M

5 m (16.40 ft)

 

Table4-12 25G SFP28 fiber cables available for the SFP28 ports

25G SFP28 fiber cable

Max transmission distance

SFP-25G-D-AOC-3M

3 m (9.84 ft)

SFP-25G-D-AOC-5M

5 m (16.40 ft)

SFP-25G-D-AOC-7M

7 m (22.97 ft)

SFP-25G-D-AOC-10M

10 m (32.81 ft)

SFP-25G-D-AOC-20M

20 m (65.62 ft)

 

QSFP28 ports

Table4-13 QSFP28 port specifications

Item

Specification

Interface type

QSFP28 port

Compatible transceiver modules and cables

·     QSFP+ transceiver modules and cables in Table4-14, Table4-15, Table4-16, and Table4-17.

·     QSFP28 transceiver modules and cables in Table4-18, Table4-19, Table4-20, and Table4-21

Compatible devices

All device models

Restrictions and guidelines

You can use a QSFP-100G-SR4-MM850 transceiver module to connect one 100G QSFP28 port to four 25G SFP28 ports. The QSFP28 transceiver module and SFP28 transceiver modules to be connected must be the same in specifications, including central wavelength and fiber type.

 

Table4-14 QSFP+ transceiver modules available for the QSFP28 ports

QSFP+ transceiver module

Central wavelength (nm)

Connector

Fiber type and diameter (µm)

Modal bandwidth (MHz × km)

Max transmission distance

QSFP-40G-SR4-MM850

850

MPO (PC-polished, 12-core)

Multimode, 50/125

2000

100 m (328.08 ft)

4700

150 m (492.13 ft)

QSFP-40G-CSR4-MM850

850

MPO (PC-polished, 12-core)

Multimode, 50/125

2000

300 m (984.25 ft)

4700

400 m (1312.34 ft)

QSFP-40G-BIDI-SR-MM850

850

LC

Multimode, 50/125

2000

100 m (328.08 ft)

4700

150 m (492.13 ft)

QSFP-40G-BIDI-WDM850

Four lanes:

·     850

·     880

·     910

·     940

LC

Multimode, 50/125

2000

240 m (787.40 ft)

QSFP-40G-LR4-WDM1300

Four lanes:

·     1271

·     1291

·     1311

·     1331

LC

Single mode, 9/125

N/A

10 km (6.21 miles)

QSFP-40G-LR4L-WDM1300

Four lanes:

·     1271

·     1291

·     1311

·     1331

LC

Single mode, 9/125

N/A

2 km (1.24 miles)

QSFP-40G-ER4-WDM1300

Four lanes:

·     1271

·     1291

·     1311

·     1331

LC

Single mode, 9/125

N/A

40 km (24.86 miles)

 

Table4-15 QSFP+ copper cables available for the QSFP+ ports

QSFP+ copper cable

Max transmission distance

LSWM1QSTK0

1 m (3.28 ft)

LSWM1QSTK1

3 m (9.84 ft)

LSWM1QSTK2

5 m (16.40 ft)

 

Table4-16 QSFP+ fiber cables available for the QSFP+ ports

QSFP+ fiber cable

Cable length

QSFP-40G-D-AOC-3M

3 m (9.84 ft)

QSFP-40G-D-AOC-7M

7 m (22.97 ft)

QSFP-40G-D-AOC-10M

10 m (32.81 ft)

QSFP-40G-D-AOC-20M

20 m (65.62 ft)

 

Table4-17 QSFP+ to SFP+ copper cables available for the QSFP+ ports

QSFP+ to SFP+ copper cable

Max transmission distance

LSWM1QSTK3

1 m (3.28 ft)

LSWM1QSTK4

3 m (9.84 ft)

LSWM1QSTK5

5 m (16.40 ft)

 

Table4-18 QSFP28 transceiver modules available for the QSFP28 ports

QSFP28 transceiver module or cable

Central wavelength (nm)

Connector

Fiber type and diameter (µm)

Modal bandwidth (MHz*km)

Maximum transmission distance

QSFP-100G-SR4-MM850

850

MPO (PC polished, 12-fiber)

Multimode, 50/125

2000

70 m (229.66 ft)

4700

100 m (328.08 ft)

QSFP-100G-LR4-WDM1300

Four lanes:

·     1295

·     1300

·     1304

·     1309

LC

Single mode, 9/125

N/A

10 km (6.21 miles)

QSFP-100G-LR4L-WDM1300

Four lanes:

·     1264.5 to 1277.5

·     1284.5 to 1297.5

·     1304.5 to 1317.5

·     1324.5 to 1337.5

LC

Single mode, 9/125

N/A

2 km (1.24 miles)

QSFP-100G-ER4L-WDM1300

Four lanes:

·     1295.56

·     1300.05

·     1304.58

·     1309.14

LC

Single mode, 9/125

N/A

40 km (24.86 miles)

 

Table4-19 QSFP28 copper cables available for the QSFP28 ports

QSFP28 copper cable

Cable length

QSFP-100G-D-CAB-1M

1 m (3.28 ft)

QSFP-100G-D-CAB-3M

3 m (9.84 ft)

QSFP-100G-D-CAB-5M

5 m (16.40 ft)

 

Table4-20 QSFP28 fiber cables available for the QSFP28 ports

QSFP28 fiber cable

Cable length

QSFP-100G-D-AOC-7M

7 m (22.97 ft)

QSFP-100G-D-AOC-10M

10 m (32.81 ft)

QSFP-100G-D-AOC-20M

20 m (65.62 ft)

 

Table4-21 QSFP28 to SFP28 copper cables available for the QSFP28 ports

QSFP28 to SFP28 copper cable

Cable length

QSFP-100G-4SFP-25G-CAB-1M

1 m (3.28 ft)

QSFP-100G-4SFP-25G-CAB-3M

3 m (9.84 ft)

QSFP-100G-4SFP-25G-CAB-5M

5 m (16.40 ft)

 

 

NOTE:

MPO connectors include physical contact (PC) connectors with a flat-polished face and angle-polished contact (APC) connectors with an angle-polished face (8°).

 

LEDs

System status LED

The system status LED shows the operating status of the switch.

Table4-22 System status LED description

LED mark

Status

Description

SYS

Steady green

The switch is operating correctly.

Flashing green

The switch is performing power-on self-test (POST).

Steady red

The system has failed to pass POST or has problems such as fan failure.

Off

The switch is powered off or has failed to start up.

 

QSFP28 port LEDs

Table4-23 QSFP28 port LED description

LED status

Description

Steady green

A transceiver module or cable has been correctly installed. The port has a link and is operating at 100 Gbps.

Flashing green

The port is sending or receiving data at 100 Gbps.

Steady yellow

A transceiver module or cable has been correctly installed. The port has a link and is operating at 10 Gbps, 25 Gbps, or 40 Gbps.

Flashing yellow

The port is sending or receiving data at 10 Gbps, 25 Gbps, or 40 Gbps.

Off

No transceiver module or cable has been installed or no link is present on the port.

 

SFP28 port LEDs

Table4-24 SFP28 port LED description

LED status

Description

Steady green

A transceiver module or cable has been correctly installed. The port has a link and is operating at 25 Gbps.

Flashing green

The port is sending or receiving data at 25 Gbps.

Steady yellow

A transceiver module or cable has been correctly installed. The port has a link and is operating at 10 Gbps.

Flashing yellow

The port is sending or receiving data at 10 Gbps.

Off

No transceiver module or cable has been installed or no link is present on the port.

 

SFP+ port LED

Table4-25 SFP+ port LED description

SFP+ port LED status

Description

Steady green

A link is present on the port and the port is operating at 10 Gbps.

Flashing green

The port is sending or receiving data at 10 Gbps.

Steady yellow

A link is present on the port and the port is operating at 1 Gbps.

Flashing yellow

The port is sending or receiving data at 1 Gbps.

Off

No link is present on the port.

 

Management Ethernet port LEDs

The switch provides two status LEDs LINK and ACT for the copper management Ethernet port.

Table4-26 Copper management Ethernet port LED description

LED mark

Status

Description

LINK

Off

No link is present on the port

Steady green

The port is operating at 10/100/1000 Mbps.

ACT

Off

The port is not receiving or sending data.

Flashing yellow

The port is sending or receiving data.

 

Fan tray alarm LEDs

The FAN-40B-1-A and FAN-40F-1-A fan trays each provide an alarm LED. For more information about the LED, see the user guide for the fan tray.

Power supply alarm LEDs

The PSR450-12A, PSR450-12A1, PSR450-12AHD, and PSR450-12D power supplies each provide an alarm LED. For more information about the LED, see the user manual for the power supply.


5 Cooling system

CAUTION

CAUTION:

The chassis and power supplies use separate air aisles. Make sure the two aisles are not blocked when the switch is operating.

 

The switch uses a highly efficient front-rear air aisle cooling system to provide adequate heat dissipation and ensure system stability. Consider the site ventilation design when you plan the installation site for the switch.

Table5-1 Cooling system for the switch

Available fan trays

Airflow direction

FAN-40F-1-A

From the power supply side to the port side

FAN-40B-1-A

From the port side to the power supply side

 

Figure5-1 Airflow from the power supply side to the port side (with FAN-40F-1-A fan trays)

 

Figure5-2 Airflow from the port side to the power supply side (with FAN-40B-1-A fan trays)

 

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