Allied Telesis 28 User Manual

Datasheet | Switches
PRELIMINARY
Managed Layer 2 Gigabit Ethernet
28 port Gigabit managed switch with 24 port 10/100/1000Mbps fixed configuration and
4 additional 100/1000Mbps SFP ports in combination with 10/100/1000T ports
Overview
A high performance Gigabit Ethernet switch from Allied Telesis, the
Environmentally Friendly
In keeping with our commitment to environmentally friendly processes and products, the
Low Power Consumption with Near Silent Operation
Specifically designed to be usable in a classroom or retail store environment the
Ideal Branch Office and Wiring Closet Connectivity
Powerful line rate performance makes this switch ideal for branch offices or the wiring closet of larger offices.The
Easy Access Networking
Featuring an industry standard CLI and Allied Telesis’ intuitive featured Web interface the advanced features of the
Secure Management
Only authorized administrators can access the management interface of the
Securing the Network Edge
To ensure the protection of your data, it is important to control access to your network. Protocols such as IEEE 802.1x
Key Features
Easy,Well Known Management
•Industry standard CLI
•Simple intuitive, Allied Telesis Web interface
•SNMP
Ideal Product for Classroom or
Retail Environment
•28 active ports
•Lower power consumption
•Near silent operation
All the QoS Needed for an Open Office, Classroom or Retail Store Environment
•Eight priorities
•IEEE 802.1p for Layer 2 QoS
•DSCP (DiffServ) for Layer 3 QoS
•IEEE 802.1p to DSCP remarking traffic ready for transport to the Layer 3 core of the network
Securing the Network at its Most Vulnerable Point
•IEEE 802.1x and port security (limited/dynamic)
•IEEE 802.1x basic port mode
•IEEE 802.1x multiple host mode
•IEEE 802.1x
•Radius client
•SSH server
Allied Telesis | www.alliedtelesis.com |

Technical Specifications Physical Interface
24 10/100/1000T ports for copper connectivity and 4 SFP or 10/100/1000T combo ports
System Capacity
128MB RAM
16MB flash memory 8K MAC address
Maximum Bandwidth
Throughput | 41.6Mpps | ||
Switching | capacity | 56Gbps | |
Switch fabric speed | 62Gbps | ||
Supports | 9216 jumbo packets | ||
Latency |
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10Mbit |
| > 78.77 usec | |
100Mbit |
| > 1.25 | usec |
1000Mbit |
| > 3.79 | usec |
Port Configurations
IEEE 802.3x flow control / back pressure Head of Line (HOL)
Storm Control
Broadcast, multicast and unicast
IEEE 802.1D
IEEE 802.1w Rapid
Link Aggregation
Static port trunk
IEEE 802.3ad LACP link aggregation Support for 12 groups per device
Trunk can support up to eight members per group
VLANs |
| Power Specifications |
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Supports up to 4094 VLAN IDs | AC input | electrical | ratings |
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Support for 255 active VLANs | Frequency |
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| 50/60Hz | ||||||
| Maximum | DC current |
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| 3.5A | ||||||||
IEEE 802.1Q VLAN tag | Maximum power consumption |
| 30.74W | ||||||||||
GARP |
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| Maximum power consumption |
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GVRP |
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| in eco | friendly | mode |
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| 30.14W | ||||
GMRP |
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| Power | supply efficiency |
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| 83% | ||||||
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| Heat | dissipation |
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| 104.09BTU /hours | |||
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| Maximum | acoustic | noise |
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General Protocols |
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MAC | address | aging | Compliance Standards | ||||||||||
Port |
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RFC 826 |
| ARP | IEEE 802.3 |
| 10T |
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DHCP | static IP configuration | IEEE | 802.3u | 100TX with | |||||||||
RFC | 2131 | DHCP client | IEEE | 802.3ab | 1000T Gigabit | Ethernet | |||||||
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| 100FX | SFP | support |
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| 1000X | SFP | support |
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Administration |
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Environmental Specifications | |||||||||||||
Industry | standard CLI | ||||||||||||
RFC | 854 |
| Telnet | Operating | temp. | 0°C to 40°C (32°F to 104°F) | |||||||
Network | Time Protocol | Storage | temp. | ||||||||||
HTTP |
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| Operating humidity 5% to 90% | |||||||||
TFTP |
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| Storage | humidity | 5% to 95% | ||||||
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| Operating altitude range, up to 3,000 meters | ||||||||
Quality of Service (QoS) | (9,843 | feet) |
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IEEE 802.1p | QoS |
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Eight | priority | queues | Safety and Electromagnetic | ||||||||||
Strict | priority | and weighted round robin | |||||||||||
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Multicast Standards | EMI |
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| FCC Class A, CISPR 22 Class A, | ||||||
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| EN55022 | Class A, | ||||||
Layer 2 multicast forwarding and filtering | Immunity |
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up to 256 groups |
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IGMPv1 | and IGMPv2 | Safety |
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| Quality | and | reliability | MTBF | – 340,000 hours | ||||
Network Management |
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RFC 1157 | SNMPv1/v2c | RoHS Standards |
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RFC 2570 | SNMPv3 |
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RFC | 1215 | SNMP traps | Compliant | with European | and | China and RoHS standards | |||||||
RFC | 1213 |
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RFC | 1573 | Extended interface MIB |
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RFC 1757 | RMON 4 groups: | Package Description |
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| Stats, History, Alarms, Events | switch |
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| AC power | cord |
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Security |
| Management cable |
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| Rubber feet for desktop installation and | ||||||||||||
Port |
| security | (limited/dynamic) | 19” | |||||||||
IEEE |
| 802.1x | Basic port base | Install guide and CLI user’s guide available on the CD | |||||||||
IEEE |
| 802.1x | Multiple host mode | and | at | www.alliedtelesis.com |
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IEEE 802.1x |
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RFC | 2865 | Radius client |
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SSH | server |
| Physical Specifications |
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| Dimensions |
| 44cm x 25.6cm x 4.4cm | ||||||
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| (W x D x H) | (17.33” x 10.08” x 1.73”) | |||||||
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| Weight |
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| 3.62 | kg (8.00 | lbs) |
Allied Telesis | www.alliedtelesis.com |

Ordering Information
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| 28 port Gigabit managed switch with 24 port | ||||
| 10/100/1000Mbps | fixed configuration | and 4 additional | ||
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| 100/1000Mbps SFP ports in combination with | ||||
| 10/100/1000T ports |
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| Where xx = | 10 for | US |
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| 20 | for | no power | cord |
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| 30 | for | UK |
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| 40 | for | Australian |
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| 50 | for | European |
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USA Headquarters | 19800 North Creek Parkway| Suite 100| Bothell| WA 98011| USA| T: +1 800 424 4284| F: +1 425 481 3895 European Headquarters| Via Motta 24| 6830 Chiasso| Switzerland| T: +41 91 69769.00| F: +41 91 69769.11
© 2008 Allied Telesis Inc. All rights reserved. Information in this document is subject to change without notice. All company names, logos, and product designs that are trademarks or registered trademarks are the property of their respective owners.

USA Headquarters | 19800 North Creek Parkway| Suite 200| Bothell| WA 98011| USA| T: +1 800 424 4284| F: +1 425 481 3895 European Headquarters| Via Motta 24| 6830 Chiasso| Switzerland| T: +41 91 69769.00| F: +41 91 69769.11
© 2006 Allied Telesis Inc. All rights reserved. Information in this document is subject to change without notice. All company names, logos, and product designs that are trademarks or registered trademarks are the property of their respective owners.