Dell N20 Series Руководство по установке - Страница 24

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Combo Ports

The N30xx I/O-side above also contains a reset button (pinhole) and several status LEDs.

The N30xx/N3024F/N30xxP I/O-side displays status LEDs for over-temperature alarm, internal power supply 1, and switch status on the

top row. The bottom row of status LEDs displays stack master, internal power supply 2, and fan alarm.

Switch Ports

The N3024/N3024P I/O-side provides 24 Gigabit Ethernet (10/100/1000BASE-T) RJ-45 ports that support auto-negotiation for speed,

flow control, and duplex. The N3024/N3024P models support two SFP+ 10G ports. Dell-qualified SFP+ transceivers are sold separately.

The N3024F I/O-side provides 24 Gigabit Ethernet 100BASEFX/1000BASE-X SFP ports plus 2 1000BASE-T combo ports. Dell-qualified

SFP transceivers are sold separately.

The N3048/N3048P I/O-side provides 48 Gigabit Ethernet (10BASE-T, 100BASE-TX, 1000BASE-T) RJ-45 ports that support auto-

negotiation for speed, flow control, and duplex. The N3048/N3048P support two SFP+ 10G ports. Dell-qualified SFP+ transceivers are

sold separately.

The front-panel switch ports have the following characteristics:

•

The switch automatically detects the difference between crossed and straight-through cables on RJ-45 ports and automatically

chooses the MDI or MDIX configuration to match the other end.

•

SFP ports support Dell-qualified transceivers.

•

RJ-45 ports support full-duplex mode 10/100/1000 Mbps speeds on standard Category 5 UTP cable.

•

SFP+ ports support SFP+ transceivers and SFP+ copper twin-ax technology plus SFP transceivers operating at 1G.

•

The N3024P/N3048P I/O-side ports support PoE (15.4W) and PoE+ (30W).

Console Port

The console port provides serial communication capabilities, which allows communication using RS-232 protocol. The serial port provides a

direct connection to the switch and allows access to the CLI from a console terminal connected to the port through the provided serial

cable (with RJ45 YOST to female DB-9 connectors).

The console port is separately configurable and run as an asynchronous link from 1,200 baud to 115,200 baud.

The Dell CLI only supports changing the speed.

The defaults are 9600 baud rate, 8 data bits, No Parity, 1 Stop Bit, No Flow Control.

Out-of-Band Management Port

The out-of-band (OOB) management port is a 10/100/1000BASE-T Ethernet port dedicated to remote switch management. Traffic on

this port is segregated from operational network traffic on the switch ports and cannot be switched or routed to or from the operational

network.

USB Port

The Type-A, female USB port supports a USB 2.0-compliant flash memory drive. The Dell Networking switch reads or writes to a flash

drive formatted as FAT-32. You can use a USB flash drive to copy switch configuration files and images between the USB flash drive and

the switch. You can also use the USB flash drive to move and copy configuration files and images from one switch to other switches in the

network.

N30xx Series Overview

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