Quality of Service
The AT-SB4000 Series market leading Quality of Service (QoS) mechanism allows traffic shaping in a highly programmable manner, based on Layer 2 to Layer 4+ packet characteristics.
The resulting 128 different Classes of Traffic enable flexible policy enforcement with independent latency and 64kbps increment min/max bandwidth guarantees. AT-SB4000 Series units use IEEE 802.1p, DiffServ, Layer 4 filtering and RSVP along with sophisticated hardware based switching to deliver a rich QoS capability.The AT-SB4000 Series fits into education and government networks requiring separation of multicast traffic and dual staff and student networks all running over a single infrastructure. It is also scalable with a large number of traffic classes with varying requirements as is typical in today’s converged application-based networks.
Multimedia capable multicasting
With multicast protocols such as IGMP, IGMP Snooping, DVMRP, PIM-SM, and PIM-DM, the AT-SB4000 Series delivers TV cable broadcasting, video conferencing, phone- conferences, phone, and web-browsing capabilities. Multicasting between VLANs at wire-speed is also offered for streaming server application with clients on different VLANs.
Broadcast storm control
A traffic storm occurs when packets flood the network, creating excessive traffic and degrading network performance.The broadcast storm control (BCSC) feature allows the user to set limits for each VLAN.This is useful to prevent traffic congestion of the network and inefficient usage of the core.
World class software
The AT-SB4000 Series includes AlliedWare® software, allowing simple configuration and control without compromising flexibility.The switches have built-in DHCP server;TFTP for image and configuration downloads; Network Time Protocol client and server capabilities; advanced, customizable triggers with an e-mail client allowing unmatched flexibility in monitoring and controlling events; standard CLI and highly intuitive GUI device configuration tools plus full SNMP and MIB support for network management - accessed either in-band or out-of-band via serial console or 10/100Base-T port.The AT-SB4000 Series leads the market with an extensive suite of Layer 2 and Layer 3 features, including static routing, routing protocols (RIP/RIPv2, OSPF), multicast protocols (IGMP, IGMP Snooping, DVMRP, PIM-SM, PIM-DM), IP, IPX, 4096 VLANs, and flexible port trunking with link aggregation.These features are bundled to suit the needs of a standard application or for an advanced architecture.
AlliedWare®
A common OS ensures the AT-SB4000 Series Switch will interoperate seamlessly with other Allied Telesis fixed function, modular routers and all Layer 3 to Layer 7 switch families, allowing operational investment protection for training, management and monitoring.
A standards-based implementation assures full interoperability with all other major network equipment vendors. The AT-SB4000 Series Switch is shipped "ready to run" with AlliedWare®, a comprehensive software suite that includes all the features, management capabilities and performance today's networks demand.
AlliedView - EMS
AlliedView-EMS is a Java-based device management solution from Allied Telesis that provides a user-friendly, window-based environment to manage the AT-SB4000 Series Switch, as well as the complete lineup of Allied Telesis managed devices. Whether managing a large network distributed across multiple sites or a small network with only a handful of nodes, AlliedView-EMS provides the tools needed to effectively monitor and proactively manage Allied Telesis's intelligent networking products.
Triggered Events
A trigger sets off an ordered sequence of scripts and commands to be executed when a certain event occurs, providing a powerful mechanism for automating the response to specific events. Each trigger may reference multiple scripts and any script can be used by any trigger. Using this feature, the AT-SB4000 Series Switch can, for example, send an email alert to the network manager when trouble occurs, or it can automatically shut down an interface to protect against suspected attacks.
Scripts
The scripting facility enables sequences of commands to be stored in a script and replayed at any time, allowing the AT-SB4000 Series Switch to be easily configured or quickly re-configured. This is useful when developing a complex configuration, making the same configuration change to several different Switches, or introducing a configuration change that must occur at a particular time. Scripts can be created on a PC and uploaded to the AT-SB4000 Series Switch, or they can be created using the AT-SB4000 Series Switch's own integrated text editor.They can be activated either from the command line or from a trigger.
Flexibility
With 8 Line Card slots supporting up to 384 ports of 10/100Base-TX (RJ45), 256 ports of 100Base-FX, 192 ports of 10/100/1000Base-T, 192 ports of 1000Base-X or combinations, the AT-SB4008 provides great porting flexibility.
The AT-SB4004 and its 4 Line Card slots support up to 192 ports of 10/100Base-TX (RJ45), 128 ports of 100Base-FX, 96 ports of 10/100/1000Base-T, 96 ports of 1000Base-X or combinations.
Cable management at the core of the network is often a major challenge.The AT-SB4008 Switch offers a detachable cable manager to help tame the cabling jungle.
Physical Characteristics
Ethernet Interface Connections
10/100/1000Base-T Shielded RJ-45 100Base-FX MT-RJ multi-mode fiber 1000Base-X SFP multi-mode and single-mode fiber 1000Base-X GBIC multi-mode and single-mode fiber 1000Base-X XFP multi-mode and single-mode fiber 10GBase-R
Power Characteristics
100-240vAC, 50 or 60Hz with a -48vDC version available
Power Supply Units
Each AC power supply is rated at a maximum of 420W with a worst-case efficiency of 65%, which equates to 3A at 230V (or 6A at 110V) on the mains input per power supply. Worst case AC PSU output load regulation is +/- 0.5%. The inrush current under cold start at 230V is 75A and at 110V is 37A. AC PSU MTBF is 84,160 hrs and weighs 3.8kg (8.4 lbs) unpackaged, or 4.3kg (9.5 lbs) packaged.
Each DC power supply is rated at a maximum of 420W with a worst-case efficiency of 65%, which equates to 11A at 59Vdc (or 18A at 36Vdc) per power supply on the input side. Worst case DC PSU output load regulation is +/- 0.5%.The inrush current under cold start at 72V is 50A and at 36V is 25A. DC PSU MTBF is 84,160 hrs and weighs 3.6kg (7.9 lbs) unpackaged, or 4.1kg (9.0 lbs) packaged.
