User Guide

Chapter 1: Overview
16
Features
Here are the hardware features of the AT-GS900/8PS Gigabit Ethernet
Switch.
General  Supports 18 Gbps non-blocking switch fabric
 Transparent to VLAN packets
 Support for jumbo frames up to 9216 bytes at 100% forwarding
rate
Twisted Pair
Ports
 8 ports
 10Base-TX, 100Base-T and 1000Base-T compliant
 IEEE 802.3u Auto-Negotiation compliant
 Auto-MDI/MDIX
 RJ-45 connectors
 100 meters (328 feet) maximum operating distance
 IEEE 802.3x flow control in 10/100Base-TX full-duplex operation
 IEEE 802.3x back pressure in 10/100Base-TX half-duplex
operation
 IEEE803.3z 1000Base-T flow control
LEDs  Speed and link/activity LEDs for the twisted pair ports
 Link/activity LEDs for the SFP slots
 PoE and PoE Limit LEDs
 Power LED
PoE Ports  PoE support for ports 1 - 4
 Class 3 (IEEE 802 af) supported on four ports
 Class 4 (IEEE 802 at) supported on two ports
SFP Slots  One SFP slot
 Support 1000Base-SX/LX transceivers
Note
SFP transceivers must be purchased separately. For a list of
supported transceivers, contact your Allied Telesis distributor or
reseller.