L2 Managed Stackable Switch 24 x 10/ 100TX + 2 x 10/ 100/ 1000T or 2 x SFP Slots

System Configuration
Dimensions 44cm x 25.7cm x 4.3cm
( W x D x H) ( 17.3� x 10.1� x 1.7� )
Weight 3.15kg ( 6.94lb)
Mounting 19� rack-mountable hardware
included
System Capacity
64MB RAM
16MB flash memory
400Mhz CPU
Up to 4, 096 VLAN ID
8, 000 MAC address
Packet buffer memory 1Mbit
Performance
Wirespeed switching on all Ethernet ports for all packet
sizes
Throughput 9.52Mpps
Switching capacity 12.8Gbps
MTBF 233, 997 hours in standalone
operation
221, 210 hours in stacked operation
( up to 6) with no free space
between switches
MTBF figures apply to fanless model ( v2) introduced
2009
Store and forward mode
Non-blocking switch fabric
Auto MDI/ MDI-X
Latency
10Mbit 85.39 ¼ sec
100Mbit 17.49 ¼ sec
1000Mbit 2.72 ¼ sec
Port speed
10/ 100TX RJ-45
10/ 100/ 1000T RJ-45
100FX, 1000SX, 1000LX SFP slot
RS232 DB9 pin, male port
Internal power supply and fan
Interface Standards
IEEE 802.3 10T
IEEE 802.3u 100TX and 100FX
IEEE 802.3z 1000SX
IEEE 802.3ab 1000T

General Standards
IEEE 802.1D Bridging
IEEE 802.3x BackPressure/ flow control
Redundancy Standards
IEEE 802.1D Spanning-Tree Protocol
IEEE 802.1W Rapid Spanning-Tree
IEEE 802.1s Multiple Spanning-Tree
BPDU guard1
IEEE 802.3ad LACP link aggregation
( with up to eight members per
group and up to eight groups per
device)
Static port trunk
Quality of Services ( QoS)
QoS in Layer 2 ( IEEE 802.1p compliant Class of
Service)
Traffic prioritization using IEEE 802.1p, ToS, DSCP fields
Map IEEE 802.1p priorities to CoS queues to prioritize
traffic at egress
Strict Scheduling and Weighted Round Robin
VLANs
IEEE 802.1Q VLAN tagging
Up to 256 VLANs
Port-based VLANs
MAC-based VLANs
Private VLANs
GARP VLAN Registration Protocol ( GVRP)
Multicast Standards
RFC 1112 IGMP snooping ( ver. 1)
RFC 2236 IGMP snooping ( ver. 2)
RFC 3376 IGMP snooping ( ver. 3)
RFC 3376 IGMP querier
Option to forward/ filtering of unregistered MC frames1
IPv61
IPv6 QoS
IPv6 ACL
IPv6 Host
RFC 2461 IPv6 neighbor discovery
RFC 2463 ICMPv6: Internet Control Message
Protocol version 6
RFC 1981 Path MTU discovery
Dual-stack IPv4/ IPv6 protocol
IPv6 Tunnelling over IPv4
IPv6 Network management
IPv6 Applications: WEB/ SSL Telnet
server/ SSH, AAA/ Radius, Management
ACLs, SNTP, PING, TFTP/ Copy, Syslog

Management and Monitoring
WEB, CLI, Serial
RFC 1157 SNMPv1/ v2c
RFC 2570 SNMPv3
RFC 1213 MIB-II
RFC 1573 Evolution of MIB-II
RFC 1215 TRAP MIB
RFC 1493 Bridge MIB
RFC 2863 Interfaces group MIB
RFC 1643 Ethernet like MIB
RFC 1757 RMON 4 groups:
Stats, History, Alarms, Events
RFC 2819 RMON 4 groups
RFC 2674 IEEE 802.1Q MIB
RFC 1866 HTML
RFC 2068 HTTP
RFC 854 Telnet
RFC 783 TFTP
LLDP1
IEEE 802.1ab
LLDP-MED1
IP address allocation
RFC 951/ RFC 1542 BootP/ DHCP
DHCP snooping
Manual
RFC 2030 SNTP, Simple Network Time Protocol
Syslog event
Dual software images
Stacking
Up to six units
Single system appearance
Single IP management
Backup master
Full-duplex link with 2Gbps performance
Link aggregation/ trunking across stack
Port mirroring across stack
VLAN across stack

Security
Management security: username and
password protection
SSHv2 for Telnet management
SSLv3 for Web management
RFC 1492 TACACS+
RFC 2138 RADIUS authentication
IEEE 802.1x Port-based network access control
IEEE 802.1x Dynamic VLAN1
IEEE 802.1x RADIUS accounting1
IEEE 802.1x Multi-session mode1
IEEE 802.1x Action on violation1
IEEE 802.1x Single-host violation1
IEEE 802.1x Guest VLAN timeout1
IEEE 802.1x Authentication not-required1
Security login banner1
Guest VLANs
RFC 2865 IEEE 802.1x port-based network
access control
MAC-based network access control
ACL - Access Control Lists
Fault Protection
Broadcast storm control
Power Characteristics
Voltage input 100-240V AC
Voltage output 12vDC
Current 1.5A
Power consumption 26.5W2
Power supply efficiency 78.46%
Heat dissipation 184.41 BTU/ hour
Clock frequency 166MHz
Acoustic noise 14.9dB

Environmental Specifications
Operating temp 0° C to 40° C ( 32° F to 104° F)
Storage temp -25° C to 70° C ( -13° F to 158° F)
Relative humidity 10% to 90% non-condensing
Storage humidity 5% to 95% non-condensing
Operating altitude Maximum 3, 000m ( 9, 843ft)
Electrical/ Mechanical Approvals
Safety UL 1950 ( UL/ cUL) , EN60950 ( TUV)
EMI FCC Class A, EN55022 Class A,
VCCI Class A, C-Tick, EN61000-3-2,
EN61000-3-3
Immunity EN55024
RoHS compliant
Package Description
One AT-8000S/ 24 switch
Power cord AC
Rack-mount kit
Rubber feet for desktop installation
RS232 management cable
Stacking cable
Install guide and user guide in CD and at
www.alliedtelesis.com