Instruction/ maintenance manual of the product 116T Cisco
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CHAPTER Overview 1-1 1 Ov er vie w The FastHub 116T is an unmanaged 16-port 100BaseT Class II repeater for workgroups and server f arms. It is a member of an extended netw ork system of stackable, modular LAN and W AN products that increase LAN performance, connect remote offices and users, and provide secure access.
1-2 FastHub 116T Installation Guide Feature Summary Feature Summary The FastHub has 16 fix ed 100BaseTX ports (with an alternativ e uplink port for connecting to other 100BaseTX hubs).
Overview 1-3 Front Panel Description Figure 1-2 Front P anel Port Connectors Ports 1x through 16x hav e their transmit (TD) and recei ve (RD) pairs internally crossed.
1-4 FastHub 116T Installation Guide Front Panel Description LEDs Y ou can use the FastHub LEDs to monitor network acti vity and performance. Figure 1-3 shows the location of the LEDs and the Mode b utton. Figure 1-3 LEDs and Mode Button RPS LED The redundant po wer system LED shows the status of the RPS (see T able 1-2).
Overview 1-5 Front Panel Description SYSTEM LED The system status LED shows whether the FastHub is po wered up and pro vides an indication of any problem with the main system board of the F astHub (see T able 1-3). Note The system status LED and RPS LED are used together to isolate internal power supply or RPS problems.
1-6 FastHub 116T Installation Guide Front Panel Description P or t Mode LED The port mode LED indicates the ST A T (port status), UTL (bandwidth utilization), and ID (unit identification) modes. Note Port 16 (the uplink port) uses the port 16x LED. ST A T Mode In port status mode, port LEDs show indi vidual port status (see T able 1-5).
Overview 1-7 Front Panel Description UTL Mode In utilization mode, bandwidth usage is shown for the F astHub . The port LEDs show the current bandwidth and the peak bandwidth usage that occurred since the last reset. The far -right solid green LED denotes the peak bandwidth that was recorded since the last reset.
1-8 FastHub 116T Installation Guide Rear Panel Description Mode Button T o change the mode being displayed by a port LED, press the Mode button to highlight in sequence each of the modes: ST A T , UTL, and ID. The Mode button is independent of the Collision LED.
Overview 1-9 Examples of Using the FastHub Examples of Using the F astHub This section describes sev eral possible network configurations using the F astHub . Workgroups Y ou can create 100-Mbps workgroups by interconnecting F astHubs (FastHub 116T , FastHub 216T , and FastHub 300 series), as sho wn in Figure 1-5.
1-10 FastHub 116T Installation Guide Examples of Using the FastHub Ser v er Far ms Using the FastHub, you can create 100-Mbps serv er farms to increase centralized and decentralized server performance, as sho wn in Figure 1-6.
Overview 1-11 Examples of Using the FastHub Extended Network System A system of routers, switches, and hubs can be combined to create a high-performance network that extends be yond the main of fice LAN to connect to branch of fices, remote sites, mobile users, and the Internet.
1-12 FastHub 116T Installation Guide Examples of Using the FastHub.
An important point after buying a device Cisco 116T (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Cisco 116T yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Cisco 116T - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Cisco 116T you will learn all the available features of the product, as well as information on its operation. The information that you get Cisco 116T will certainly help you make a decision on the purchase.
If you already are a holder of Cisco 116T, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Cisco 116T.
However, one of the most important roles played by the user manual is to help in solving problems with Cisco 116T. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Cisco 116T along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
