Network Switch Selection – How to Select a Network Switch
Overview
The network switch is the most common network device with most network infrastructure and as such selection of new switches or upgrading is a key part of most network design projects. Wireless designs will have switches interfacing with access points. That will in some cases have an affect on the switch such as increased utilization, assigned switch ports, access lists, trunking, Power over Ethernet (PoE) wattage draw or spanning tree protocol. The decision to buy new switches or upgrade will be determined after considering the network assessment and design features specified. The 5 network switch components include switch chassis, supervisor engine, switching modules, power supplies and IOS/Cat OS software.
Switch Chassis Features
The Switch Chassis features include – dimensions, number of slots, processor slot assignments, switching fabric, supervisor engines supported, supervisor engine diversity, power supplies, power supply failover, rack units.
Supervisor Engine Features
Switches are implemented with a Supervisor Engine (Switch Processor) for processing packets on a network segment. Routing is available with an onboard Multi Layer switch feature card (MSFC) or route processor running IOS code. The network switch Supervisor Engine running IOS code on the MSFC and the switch processor is in native mode, while those running Cat OS on the processor is in hybrid mode. Some engines won’t support native and hybrid mode. The engine with no MSFC supports what is called Cat OS mode. Select the engine that matches design specifications. The MSFC module is integrated with the Supervisor Engine or upgradeable. You must implement a PFC module with any MSFC. Some Supervisor Engines have no MSFC module. The routing is integrated with the hardware and as such support native mode only.
The Supervisor Engine features include – supported switch chassis, uplink speed, processor memory, native IOS, Cat OS, PFC, MSFC, slot assignment, diversity.
- Supervisor Engine 720: 6500 series switches, 400 mpps, MSFC3, IOS, Cat OS
- Supervisor Engine 32: 6500 series switches, 15 mpps, MSFC2A, IOS, Cat OS
- Supervisor Engine 5: 4500 series switches, 72 mpps, Integrated Routing, IOS
- Supervisor Engine 4: 4500 series switches, 48 mpps, Integrated Routing, IOS
Switching Module Features
The Switching Module features include – supported switch chassis, interface speed, number of ports, media, cabling, connectors, throughput, Supervisor Engine supported, protocol features, Power over Ethernet, Cisco Prestandard or 802.3af.
- Media: Copper, Fiber
- Cabling: UTP Cat 5, CAT 5e, CAT 6, STP, MMF, SMF
- Connectors: RJ45, RJ21, SC, LC
- Transceivers: GBIC, SFP
Power Supply Features
The Power Supply features include – supported chassis, wattage ratings, Power over Ethernet, input/output amps, power cord type, IOS, Cat OS.
IOS/Cat OS Software
Cisco network switches can be deployed with IOS, IOS and Cat OS or exclusive Cat OS software. Design features will determine what mode and IOS or Cat OS version is selected. The software running on the Route Processor must be IOS while the Supervisor Engine switch processor will run IOS (native mode) or Cat OS (hybrid mode). Some Cisco equipment such as the 4507R deploy the Supervisor Engine IV with no MSFC onboard. The routing processor is integrated with the engine. With that design, the Supervisor Engine IV doesn’t support Cat OS.
- Native IOS – deployed at the network edge where most routing occurs and needs some switching
- Hybrid – deployed at the network core where there is routing and high speed switching
- Cat OS – deployed at the network access layer where most switching and no routing occurs
Switch Selection Process
The following describes the 5 components of any network switch selection process.
1. Consider Network Assessment and Design
2. Select Switches with Design Features
3. Select Switches with Scalability
4. Balance Cost with Features
5. Select IOS and/or Cat OS Version
The network assessment and design specifications should be considered before selecting any specific network switches. The network assessment examines what is implemented and what environment the selected device will be deployed. The design specifications will determine performance, availability and scalability features needed. Selecting IOS and/or Cat OS versions occur after you have the feature set determined. Companies will specify a budget and that is a key consideration with any equipment selection. It isn’t cost effective to select a Cisco 6509 for an office with 50 employees. It is important that you select equipment that meet the design specifications, has the scalability features needed while meeting budget guidelines.
Some typical switch features to consider:
1) Are there enough chassis slots?
2) What Supervisor Engines are supported?
3) Does the Supervisor Engine support failover?
4) Is Multi Layer Switching available?
5) What Switching Modules are available?
6) What Uplinks are available?
7) What Power Supply wattage is available?
Number of Rack Units?
Switch Selection Example:
The Network Assessment discovered the following equipment at the company office.
· Distribution office has 300 employees
· Fast Ethernet implemented at the Desktop
· 6509 Cisco Switches with Gigabit Ethernet Trunking
· 3800 Cisco Router with dual T1 circuits
· Power over Ethernet is implemented
· Multiple VLANS defined
· Local Unix and Windows Servers
· Some bandwidth intensive applications
· Voice over IP is implemented
· Wiring closets are 500 feet apart
· Several rack units are available
The design specifies an additional 180 people will be employed soon. The company will have employees working from a third floor where the wiring closet is 500 feet from the 6509. The company will implement some Wireless, IP Telephony and define VLANS with specified groups.
The following is a list of specific features needed:
1. 4 chassis slots with Switching Modules of 48 Port – 10/100BaseT
2. Gigabit Trunking between wiring closets
3. Supervisor Engines with failover
4. Multi Layer Switching
5. Power over Ethernet support
6. Dual Power Supplies with at least 2800W for IP Telephony
7. Quality of Service for VoIP
8. Performance switching for converged telephony network
Selected Switch: Cisco 4507R
The 7 slot switch such as the Cisco 4507R is a good selection with an additional 180 employees. The device will have 4 – 48 port Modules with a slot available for any additional employees. The dual Supervisor Engines IV will be assigned 2 slots with failover, Multi Layer Switching between VLANS and Gigabit uplinks connecting the 6509 devices. Each of the switching module are PoE capable with the new 802.3af standard. Dual power supplies provide enough wattage for implementing hundreds of Cisco IP phones and access points. The performance is 75 mpps with wire speed switching. The 4507R is more cost effective than the nearest 6509 Cisco device. Several Supervisor Engine models are available with additional performance features.
- 7 slot chassis with 2 Supervisor Engines and 4 Switching Modules with 48 Port – 10/100BaseT
- Supervisor Engine IV with integrated Multi Layer Switching, diversity, dual Gigabit uplinks
- Power over Ethernet (PoE) support with 802.3af standard
- Dual Power Supplies with 2800W or 4200W for Telephony, Wireless, Power over Ethernet
- Quality of Service features for voice traffic
- Fast performance with 75 mpps wire speed switching for converged networking
The 3750 series Cisco switch wasn’t as expensive however there were not enough slots, stacking technology is expensive and switches at 38.7 mpps compared with the 4507R device at 75 mpps. The company would have to buy 5 separate switches with 48 ports for 180 employees. The 2950 Cisco switch doesn’t have power supply failover and scalability. The 6509 switch was much more expensive, had 2 additional slots, more performance than was needed and the switching modules were expensive. Implementation is somewhat difficult with the 6500 Cisco devices.
Shaun Hummel is author of Network Planning and Design Guide available at amazon.com and CiscoDesignBooks.com featuring Networking Books, eBooks, Certifications, Articles and Design Tools.
About the Author
Shaun Hummel, CCNP, is a Senior Network Engineer with 11 years experience in enterprise network planning, design, and implementation. He has worked for various private and public companies in Canada and the United States improving infrastructure, security, and management. He has written Network Planning and Design Guide, Cisco Wireless Network Design Guide and Network Assessment Guide. http://www.ciscodesignbooks.com
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17 Rackmount LCD Rack Console with Integrated 16 Port KVM $1377.99 The 1U LCD Rack Console by StarTech.com is a 17 wide drawer designed for applications where cabinet space is at a premium. The RACKCONS1716 offers a 16 Port KVM module, has an eye-catching 17-inch active-matrix LCD monitor, full size 106-key keyboard, and a mouse touchpad. When the RACKCONS1716 is not in use, you can close the console like a laptop and slide it into the cabinet and out of your way. The LCD Rack Console is able to work with virtually any existing KVM switch and any standard rack or cabinet that is 30 or greater in depth. The product is capable of managing up to 136 servers through eight cascaded 16-port KVMs. |
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3Com 100BASE-BX10-U Module – 1 x 100Base-BX10 – SFP $45.68 DETAILS: This Fast Ethernet SFP transceiver enables the 100BASE-BX10-U connection of a 100BASE-BX link. For each 100BASE-BX10 link, one end must be terminated in 100BASE-BX10-D, and the other in 100BASE-BX10-U, for the link to work correctly.This SFP can be used only in the 3Com Switch 5500-EI 28-Port FX, for its 100Mb connections. Product Description: 3Com 100BASE-BX10-U SFP – transceiver module Device Type: Transceiver module Form Factor: Plug-in module Interface (Bus) Type: SFP (mini-GBIC) Cabling Type: Ethernet 100Base-BX-U Data Link Protocol: Fast Ethernet Max Transfer Distance: 9.3 miles Data Transfer Rate: 100 Mbps Compliant Standards: IEEE 802.3ah UPC: 0662705511580 |
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3Com 100BASE-FX SFP Transceiver Module – 1 x 100Base-FX LAN – SFP $89 This Fast Ethernet SFP transceiver enables one 100BASE-FX connection. This SFP can be used only in the 3Com Switch 5500-EI 28-Port FX, for its 100Mb connections. |
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3Com 100BASE-LX10 SFP Transceiver Module – 1 x 100Base-LX10 – Expansion Module $157.95 This Fast Ethernet SFP transceiver enables one 100BASE-LX10 connection. This SFP can be used only in the 3Com Switch 5500-EI 28-Port FX, for its 100Mb connections. |
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3Com 10GBASE-ER XFP Module – 1 x 10GBase-ER – XFP $4900 This XFP transceiver enables one 10GBASE-ER connection. This XFP can be used in those 3Com switches and modules which support XFP transceivers. XFPs can be mixed and matched on a given switch to maximize flexibility. |
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3Com 5500G-EI 24-Port SFP Switch – 4 x SFP (mini-GBIC) Shared – 4 x 10/100/1000Base-T LAN, 2 x $4761 The 3Com Switch 5500G-EI 24-Port is a premium stackable 10/100/1000 SFP-based switch with Enhanced Image (EI) software for businesses running the most demanding network applications requiring the highest five 9s network uptime. 24 SFP ports operate at 10/100/1000; four of these ports are dual-purposed with four 10/100/1000 ports. Expansion module slot offers additional Gigabit or 10-Gigabit Ethernet connectivity. |
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3Com Switch 7700 4-Port 10/100/1000BASE-T Fabric Sub-Module – 4 x 10/100/1000Base-T LAN – Expansion Module $100.99 This sub-module is inserted within the switch fabric of the 3Com Switch 7700 4-Slot chassis and delivers four ports of high-performance 10/100/1000BASE-T copper Gigabit connections. |
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3Com Switch 8800 2-Port 10GBASE-X Module – 2 x XFP – Expansion Module $3500 This module provides two ultra-high-performance 10Gigabit Ethernet connections. 10Gigabit Ethernet is a standards-based method for connecting at a speed 10x that of Gigabit Ethernet, or 10 Gigabits per second, while retaining critical Ethernet properties such as pack format. The module requires XFP-style transceivers, sold separately, to provide the physical media connection. XFPs offered by 3Com for the Switch 8800 include 10GBASE-LR for single-mode fiber up to 10 Km, and 10GBASE-ER for single-mode fiber up to 40 Km. 10Gigabit Ethernet is the perfect aggregation technology when deploying gigabit to the desktop or for interconnecting core and distribution switches. Use 10Gigabit Ethernet to connect one Switch 8800 to another with a similar module, or to another switch with a standards-based 10GBASE-X connection. |
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3Com Switch 8800 24 Port 1000BASE-X IPv6 Module – 24 x SFP (mini-GBIC) – Expansion Module $5024 This 3Com Switch 8800 24 Port 1000BASE-X IPv6 Module delivers twenty-four ports of high-performance Gigabit Ethernet switching with support for Small Form-Factor Plug-in (SFP) transceivers for both fiber and copper connections. Switch 8800 modules support on-board or local Layers 2/3/4 switching, allowing packets to remain local to the module, which reduces backplane and switch fabric loading. This reduces congestion in the network minimizing packet loss, to enable applications to run faster across the network. The reduction in latencies will improve the quality of video and voice traffic across the network. |
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3Com Switch 8800 4-Port 10GBASE-X QUAD IPv6 Module – 4 x XFP – Expansion Module $5900 This module provides four ultra-high-performance 10-Gigabit Ethernet connections. 10-Gigabit Ethernet is a standards-based method for connecting at a speed 10x that of Gigabit Ethernet, or 10 Gigabits per second, while retaining critical Ethernet properties such as packet format. The module requires XFP-style transceivers, sold separately, to provide the physical media connection. |
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3x Magnifyer – 3XMag Magnifying Module $640 The 3XMag magnifying module is specially designed for compatibility with Aimpoint sights and for maximum flexibility and increased performance in the field. The 3XMag is a revolutionary tool for military personnel, law enforcement, sport shooters and hunters. When combined with Aimpoint?s patented TwistMount, the 3XMag gives the user something never before possible ? the ability to switch in a split second from CQB (Close Quarters Battle) to semi-sniping and vice versa. Hunters can rapidly switch from non-magnifying to magnifying while still being able to keep their Aimpoint sight on their firearm. The versatile 3XMag also can be used as a handheld magnifying glass monocular for discrete observation and identification. – - – The recommended mount for the 3XMag is the Aimpoint Twist Mount, which allows for quick attachment and detachmen. The Aimpoint TwistMount fits any MIL-Std 1913 Picatinny Rail. – - System: Magnifying Module – - Magnification: 3X – Eye relief : at 5? FOV 40 ? 90 mm at full FOV 60 ? 65 mm – - Unique features – - Mountable on a rail system behind Aimpoint sights – Extremely fast and ingenious mounting solution (Twist Mount – Picatinny) – Can also be mounted with a regular 30 mm ring – Provides extended range to the operator – Combines the best of two worlds ? CQB & semi-sniping – Increases confidence, performance and flexibility – No influence on point of impact ?? No need for re-zeroing the sight – Doubles as handheld magnifying monocular – - Twist Mount not Included |
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8/24C BLADESYSTEM PWR PK+ SAN $17217.59 Brocade 8Gb SAN Switch 8/24c Power Pack+ – Switch – 24 x 8Gb Fibre Channel – plug-in module |
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90a 2p 1in Interch Circ Breakr $30.5 1 module, 120/240 Volts ac; 10,000 AIC. Copper-to-copper connections, calibrated for optimum trip performance, heat resistant thermoset cases and covers, cemented calibration screw. May be used, when marked to accept, with American Switch, Arrow Hart, Bryant, General Switch, GTE, Sylvania, most ITE, Murray, Westinghouse Type BR, Challenger, Crouse-Hinds. 15 to 30 amp 14 8 Cu or 12 8 Al AWG wire, 35 to 60 amp 8 3 Cu or 8 2 Al AWG wire, 70 to 100 amp 6-1/0 Cu or 4 1/0 Al AWG wire. U.L. Listed, HACR rated.. |
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9PORT 10/100 ENET SWITCH $681.59 Cisco EtherSwitch HWIC – Switch – managed – 9 x 10/100 – plug-in module |
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APC 32-Port Digital KVM Switch with VM – 32 x 1, x 2 – 32 x RJ-45 Keyboard/Mouse/Video – 1U – Rack-mountable $5000 The APC 32-Port Digital KVM Switch integrates analog and digital keyboard, video and mouse (KVM) switching technology with advanced cable management, access for two or four simultaneous users and a user interface. The 32-Port Digital KVM Switch has USB and PS/2 ports on the rear panel that support all major target device platforms.Virtual Media enabled through a VM server module. |
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Actron ACTCP9449 ABS BrakeScan Scan Tool $106.44 Introducing the Actron ABS BrakeScan, an innovative and affordable solution to brake repairs. This market breakthrough product was developed by the same experts that designed the first retail code reader and DiY scan tool. Leading the retail industry with new diagnostic products, Actron continues to arm your customers with tools previously only available to mechanics and professional technicians. Actron s ABS Brakescan delivers a quality product that allows DiYers and technicians alike an inexpensive alternative for diagnosing brake problems. Main Features: Understand why the Brake Warning Light (ABS) is on; Displays ABS trouble codes and definitions; Coverage for OBDII domestic vehicles 1996 and newer (GM, Ford and Chrysler); Plugs into OBDII Port. Software Features: Updateable online; ABS code Library feature on tool; Retains most recent vehicle scan; Help Screens. Hardware Features: Easy to read backlit display; Optional Battery Power for saving data (battery power not required to use tool); Detachable cable. Systems Diagnosed: Wheel Speed Sensors, ABS Solenoids, The Brake Control Module, Vehicle Speed Sensors, ABS Pump Motor, Brake Switch And more. TrueLink Technology: every Actron scan tool and code reader incorporates CAN and the patented TrueLink technology which guarantees the tool will link to compliant vehicles assuring the user of fast and accurate diagnostic information – the key ingredient to an effective repair. Features and Benefits Reads and displays ABS trouble codes and the definitions Updateable online ABS Code library featured on tool Retains most recent vehicle scan Coverage for OBD II domestic vehicles 1996 and newer (GM, Ford and Chrysler) Kit Includes CP9449 handset OBD II cable Durable soft carrying case Quick Start manual |
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Adaptive Photovoltaic Configurations $67.95 New – Electrical mismatching losses in photovoltaic systems are of great interest to system designers. In this book, an adaptive photovoltaic (PV) system is proposed based on novel flexible switch matrixes that form different possible topologies. This system maximizes the generated power in real-time for utility interactive systems in a modified inverter configuration. The proposed system uses fewer components and achieves maximum efficiency during shading and module mismatches by reconfiguring |
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Adaptive Photovoltaic Configurations $67.95 Used – Electrical mismatching losses in photovoltaic systems are of great interest to system designers. In this book, an adaptive photovoltaic (PV) system is proposed based on novel flexible switch matrixes that form different possible topologies. This system maximizes the generated power in real-time for utility interactive systems in a modified inverter configuration. The proposed system uses fewer components and achieves maximum efficiency during shading and module mismatches by reconfiguring |
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Adtran Atlas 800 Series T1/PRI Module – 4 x Channelized T1/ISDN PRI LAN – T1/PRI Module $2295 The Quad T1/PRI module combines with other ATLAS components to implement a variety of WAN access products, including a T1 Bandwidth Manager, an ISDN Access Switch, and a Digital Access Cross-connect System (DACS). The module provides four network ports, each of which can be independently configured to operate in T1 (DS-1 or DSX-1) or Primary Rate ISDN (PRI) modes. The Quad T1/PRI module can perform T1- to-PRI conversion, translating between the robbed-bit signaling presented in a channelized T1 circuit and the D-channel signaling of a PRI circuit. When using the Quad T1/PRI module, ATLAS operates in a DACS mode supporting DS0 time slot interchange and DS0 grooming while preserving robbed bit signaling. ATLAS can be fully populated with Quad T1/PRI modules to support a pure DACSing application of 34 T1 circuits. Configuration of the Quad T1/PRI module can be accomplished through a variety of mechanisms, including Telnet or VT100 emulation. SNMP management is supported for alarm and event reporting. Extensive T1 circuit monitoring is standard with the Quad T1/PRI module, including the ability to detect, store, and report all performance parameters specified in AT T Technical Reference 54016. The module detects and reports alarm conditions associated with the circuit, including Loss of Signal, Red Alarm, Blue Alarm, Yellow Alarm, and for PRI circuits, D-Channel Synchronization. The Quad T1/PRI module responds to standard loopback commands from the telephone company central office – both in-band commands and those sent through the Facilities Data Link. In addition, local and remote loopbacks (both line and payload) can be initiated from ATLAS. When testing the T1 circuit, the Quad T1/PRI module allows the user to select from a variety of test patterns, including all 1s, all 0s, and a standard QRSS pattern. When sending the QRSS pattern, the Quad T1/PRI module records and reports the results of the testing to the user. |
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Adtran NetVanta 1000Base-SX SFP Switch Module – 1 x 1000Base-SX – SFP (mini-GBIC) $295 DETAILS: ADTRAN solutions maximize performance, lower costs, and help companies achieve the best return on investment. ADTRAN is committed to achieving success for customers by offering best-in-class products with outstanding value. Let ADTRAN work for you.PRODUCT FEATURES:Industry-standard Small Formfactor Pluggable module;Provides 1000Base-SX Gigabit Ethernet interface over multi-mode fiber;Supports 250 meters using 62.5um multi-mode fiber;Supports 500 meters using 50um multi-mode fiber;Provides LC fiber connectors;Use independently or in conjunction with copper interfaces. Product Description ADTRAN transceiver module Device Type: Transceiver module Form Factor: Plug-in module Interface (Bus) Type: SFP (mini-GBIC) Cabling Type: Ethernet 1000Base-SX Data Link Protocol: Gigabit Ethernet Data Transfer Rate: 1 Gbps ALTERNATE ITEM #: 1200480E1 UPC: 0607565023156 |
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Advanced Graphics 839T Elvis Sportscoat Guitar Cardboard Standup $35.1 The Talking Elvis Presley in Sportcoat Cardboard Standup Cardboard Standup is a life-size cutout prop of one of the most popular American singers of the 20th century. In this Elvis Presley cardboard cutout he is wearing a sportcoat popular in the 1950s and holding a guitar. Elvis Presley is also known as King of Rock and Roll and the King . Made of heavy-duty cardboard with high quality full color laminated graphic. The standee can stand-up or hang on a wall. Standee also folds in half for storage. The voice module box is battery operated motion activated and has an on/off switch. Elvis says: Well thanks for letting me talk to you Hi this is Elvis Presley Thank you very much . Dimensions: 73 H x 36 W. Recommended Age: 3+ Years. |
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Aeris Elite T3 Hoseless Dive Computer $369.95 The latest in Hoseless Air Integrated Dive Computer Technology. The elite T3 is streamlined and ergonomically styled; yet the display is large and easy to read. Enjoy the freedom of eliminating a hose from your system, while enjoying the freedom of movement underwater with the elite T3 Hoseless Air Integrated Dive Computer. The elite T3 achieves a remarkable balance between features and usability, allowing you to focus on what’s important the dive. With AERIS’ wireless transmitter, the diver can also monitor gas pressure from up to three independent cylinders ideal for both technical diving applications with compatibility with up to three Nitrox mixes to 100% oxygen and recreational diving with our new Buddy Pressure Check feature. Switch Between 3 Independent Wireless Transmitters The elite T3 is a sophisticated Dive Computer featuring AERIS’ wireless air integration technology. A transmitter threaded into the first stage high-pressure port continuously sends cylinder pressure data to the wristwatch. Frequencies are individually coded to allow multiple divers to swim side by side without interference with other units, as well as allow advanced divers to monitor up to 3 independent cylinders. Because the transmitter and display module are independent and separately powered units, the receiver may also be easily used as a standalone, non-air integrated dive computer. Transmitters may be programmed for SELF or BUD for Buddy – when progra mmed for BUD – the Elite T3 will search for and display pressure for transmitters that are within range (4-6 feet). The Elite T3 Free Dive Mode calculates and tracks Nitrogen Tissue Loading – allowingusers to alternate between SCUBA and Free Diving/Snorkeling. The Elite T3 provides accurate depth and time with an amazing 1-second sampling rate for subsequent PC download and analysis. Dive Time is displayed in seconds and minutes. Custom audible alarms include Elapsed Dive Time, Countdown Timer and (3) Independent Max Depth |
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Akai EWI-4000S Electronic Wind Controller $579 The Akai EWI 4000S wind instrument is a big step forward in the development of MIDI controllers and synthesizer instruments. It offers customizable sax-style fingering with advanced controls and functions for expressive performance and makes a number of higher-end synth features available. For more information on fingering options, download the PDF Manual on this page that contains fingering charts.Most significant on the MIDI wind controller is an onboard sound module so you no longer have to play tethered. By using MIDI and an optional wireless transceiver, you can move freely onstage and switch between stored programs from the instrument. Its internal sounds are based on a virtual analog synth sound module and are very responsive to nuances of your playing. Breath, vibrato, glide time, and bend width are easily adjusted to suit your musical style, and you can send multiple MIDI messages via breath for expression and aftertouch changes.The Akai EW14000S MIDI wind controller is also an octave key and mode that automatically doubles below the note you play, a Hold Mode which sustains a note while you play around it. It has 2 oscillators with separate volume controls, and a voltage controlled filter that can go from 2 to 4 pole filters. The EWI4000S improves breath noise emulation and also has sostenuto.The EWI 4000S also has a sweep function that is more effective than typical envelope generators. By changing the force of your playing you can alter the sweep parameter to give dynamic shape to your sound.To keep controls to a minimum, the Akai EWI 4000S comes with a MAC/PC editor program on which to customize your sounds. You can store edited programs and recall settings instantly during performance.Touch-sensitive keys Customizable sax-style fingeringPreset sounds with 2 VCO + 2 VCF, dual-voice analog modeling2-Digit 7-Segment LED program display Chorus, reverb, and deverb effectsOctave roller Breath sensitivity for expressive dynamicsOnboard analog-modeling synth s |
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AktiMate – Maxi – Active 2-way System(Red) $1099 The AktiMate Maxi is an active 2-way system negating the need for a separate amplifier as it has its own 60 Watt per channel amplifier built in to one of the speakers.It includes a Reciva media module which brings the wonders of direct access to internet radio together with the ability to stream from any Windows or UPnP shared network on your computer. To access the network you either connect via the Ethernet RJ45 on the rear panel, or wirelessly using the AktiMate Maxis internal Wi-Fi 802.11 b/g. There is FM radio as well (with a string antenna supplied), and the Maxi has three auxiliary inputs (2 pairs of RCA phonos and a mini-jack) plus audio outputs. The USB host socket on the Maxi allows replay of music files from memory sticks or MP3 players. The iPod dock situated on the top of the active speaker has the elegant cover flap recently introduced on the Minis. The enhanced functionality is easy to use thanks to the addition of an illuminated LCD screen on the front of the more powerful active speaker. The menu itself is clear and easy to navigate, either via the remote or the knob on the front panel. The options are plentiful – Internet Radio, FM Radio, Media Player, Aux 1 (via RCA Phono 1), Aux 2 (RCA Phono 2), Line in (Mini-jack) … there is even an alarm clock! In addition once registered with Reciva (free) you have access to the vast media library which you configure to your very own My Stuff folder for speed of access. Control is via the remote handset or from the control knob on the front panel of the active speaker. AktiMate Maxis are fully shielded, so placement alongside a monitor presents no problem although the size of these speakers suggest the are better suited to being placed on stands.A voltage selector switch permits a change of voltage should you wish to travel to a part of the world using different mains voltages. It comes in a choice of three dynamic finishes gloss black, gloss red and real wood walnut veneer. Silk cloth fabric grilles are pr |
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AktiMate – Maxi – Active 2-way System(Walnut) $1099 The AktiMate Maxi is an active 2-way system negating the need for a separate amplifier as it has its own 60 Watt per channel amplifier built in to one of the speakers.It includes a Reciva media module which brings the wonders of direct access to internet radio together with the ability to stream from any Windows or UPnP shared network on your computer. To access the network you either connect via the Ethernet RJ45 on the rear panel, or wirelessly using the AktiMate Maxis internal Wi-Fi 802.11 b/g. There is FM radio as well (with a string antenna supplied), and the Maxi has three auxiliary inputs (2 pairs of RCA phonos and a mini-jack) plus audio outputs. The USB host socket on the Maxi allows replay of music files from memory sticks or MP3 players. The iPod dock situated on the top of the active speaker has the elegant cover flap recently introduced on the Minis. The enhanced functionality is easy to use thanks to the addition of an illuminated LCD screen on the front of the more powerful active speaker. The menu itself is clear and easy to navigate, either via the remote or the knob on the front panel. The options are plentiful – Internet Radio, FM Radio, Media Player, Aux 1 (via RCA Phono 1), Aux 2 (RCA Phono 2), Line in (Mini-jack) … there is even an alarm clock! In addition once registered with Reciva (free) you have access to the vast media library which you configure to your very own My Stuff folder for speed of access. Control is via the remote handset or from the control knob on the front panel of the active speaker. AktiMate Maxis are fully shielded, so placement alongside a monitor presents no problem although the size of these speakers suggest the are better suited to being placed on stands.A voltage selector switch permits a change of voltage should you wish to travel to a part of the world using different mains voltages. It comes in a choice of three dynamic finishes gloss black, gloss red and real wood walnut veneer. Silk cloth fabric grilles are pr |
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Allied Telesis Unpopulated GBIC slot Expansion Module – 1 x GBIC – Expansion Module $60.49 This Unpopulated GBIC slot Expansion Module is compatible with AT-8000 Series Fast Ethernet Switches and can be installed in any combination without having to power OFF the switch, offer flexibility in building or expanding your network. |
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Altronix MAXIMAL33RD Power Module – 110 V AC $576 Maxim33RD units distribute and switch power to access control systems and accessories. They convert a 115VAC 50/60Hz input into sixteen (16) independently controlled 12VDC and/or 24VDC PTC protected outputs. Outputs are activated by an normally open (NO) or normally closed (NC) dry trigger input from an Access Control System, Card Reader, Keypad, Push Button, PIR, etc. Units will route power to a variety of access control hardware devices including: Mag Locks, Electric Strikes, Magnetic Door Holders, etc. Outputs will operate in both Fail-Safe and/or Fail-Secure modes. The FACP Interface enables Emergency Egress, Alarm Monitoring, or may be used to trigger other auxiliary devices. The fire alarm disconnect feature is individually selectable for any or all of the outputs. |
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Ams 3-In-2 Sata To Sata Backplane Module $86 3-IN-2 SAS/SATA Backplane Module (Black), SATA-I (150MB/s)and SATA-II (300MB/s). 3.5 Hot-Swap Trays, 80mm Cooling Fan. Individual HDD Power On/Off Switch. Alarm/Temp Warning Sensor. Fits into two 5.25 drive bay. |
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Ams 4-In-3 Sata To Sata Backplane Module $115 4-IN-3 SAS/SATA Module (Black), SATA-I (150MB/s) and SATA-II (300MB/s). 3.5 Hot-Swap Trays, 80mm Cooling Fan. Individual HDD Power On/Off Switch. Alarm/Temp Warning Sensor. Fits into three 5.25 drive bay. |
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Ams 5-In-3 Sata To Sata Backplane Module $131 5-IN-3 SATA Backplane Module (Black), SATA-I (150MB/s) and SATA-II (300MB/s). 3.5 Hot-Swap Trays, 80mm Cooling Fan. Individual HDD Power On/Off Switch. Alarm/Temp Warning Sensor. Fits into three 5.25 drive bay. |