Chapter 1: Overview; Features; Sfp Slots; Transceivers - Allied Telesis AT-220-28GS Series Installation Manual

Chapter 1: Overview

Features

SFP slots

Transceivers

USB slot

Console port

LEDs

6
This section describes the hardware features on the front panel of the AT-
x220-28GS switch.This model is a Gigabit Advanced Smart-Managed
switch with a total of 28 1 Gbps SFP ports.
Ports 1-24 are 100BASE-FX or 1000BASE-X Ethernet LAN ports.

Ports 25-28 are 100BASE-FX or 1000BASE-X Ethernet Uplink

ports.
Available for 100Mbps or 1000Mbps of fiber, and 1000Mbps of

copper.
Support 100BASE-FX and 1000BASE-SX/LX SFP transceivers.

SFP transceivers must be purchased separately. For a list of supported
transceivers, contact your Allied Telesis distributor or reseller.
Note
See the product Datasheet for the specific ATI SFP modules
supported by the x220-28GS switch.
The Management Panel has a USB 2.0 compatible host port, see "USB
LED" on page 13. You may use the port to store configuration files on
flash drives or to restore configuration files to switches whose settings
have been lost or corrupted, or to quickly configure replacement units. You
may also use the port and flash drives to update the management
firmware on the switch.
The Management Panel has a RS-232 serial management port with an
RJ-45 connector. You use the port to access the AlliedWare Plus
management software on the switch to configure the feature settings or
monitor status or statistics. See "Starting a local management session" on
page 34.
Here is a brief description of the LEDs:
Power and Fault LEDs; refer to "Power and Fault LEDs" on

page 10.
Link/Activity LEDs for the SFP slots; see "SFP LEDs" on page 11.

USB LED; refer to "USB LED" on page 13.
