Adapter test panel ASI - 743

Chapter Six Chapter Six Networking Networking Hardware Hardware Objectives Objectives Identify functions of LAN connectivity Identify functions of LAN connectivity hardware hardware Install and configure a network adapter Install and configure a network adapter (network interface card) (network interface card) Identify problems associated with Identify problems associated with connectivity hardware connectivity hardware Objectives Objectives Describe the factors involved in Describe the factors involved in choosing a network adapter, hub, choosing a network adapter, hub, switch, or router switch, or router Describe the functions of repeaters, Describe the functions of repeaters, hubs, bridges, switches, and gateways hubs, bridges, switches, and gateways Describe the uses and types of routing Describe the uses and types of routing protocols protocols Network Adapters Network Adapters Also called network interface cards (NICs) Also called network interface cards (NICs) Connectivity devices enabling a workstation, Connectivity devices enabling a workstation, server, printer, or other node to receive and server, printer, or other node to receive and transmit data over the network media transmit data over the network media In most modern network devices, network In most modern network devices, network adapters contain the data transceiver adapters contain the data transceiver Types of Network Adapters Types of Network Adapters For a desktop or tower PC, network adapter For a desktop or tower PC, network adapter is likely to be a type of is likely to be a type of expansion board expansion board  Expansion boards connect to the system board Expansion boards connect to the system board through through expansion slots expansion slots The circuit used by the system board to The circuit used by the system board to transmit data to the computer’s components transmit data to the computer’s components is the computer’s is the computer’s bus bus Types of Network Adapters Types of Network Adapters PC bus types you PC bus types you may encounter: may encounter:  Industry Standard Industry Standard Architecture (ISA) Architecture (ISA)  MicroChannel MicroChannel Architecture (MCA) Architecture (MCA)  Extended Industry Extended Industry Standard Standard Architecture (EISA) Architecture (EISA)  Peripheral Peripheral Component Component Interconnect (PCI) Interconnect (PCI) Figure 6-1: The four primary bus architectures Types of Network Adapters Types of Network Adapters Figure 6-2: A system board with multiple bus types Types of Network Adapters Types of Network Adapters PCMIA PCMIA  Developed in early 1990s to provide standard interface for Developed in early 1990s to provide standard interface for connecting any type of device to a portable computer connecting any type of device to a portable computer  More commonly known as More commonly known as PC Cards PC Cards Figure 6-3: Typical PC Card network adapter Types of Network Adapters Types of Network Adapters USB (universal USB (universal serial bus) port serial bus) port  Standard Standard external bus external bus that can be that can be used to used to connect connect multiple types multiple types of peripherals of peripherals Figure 6-4: A USB network adapter Types of Network Adapters Types of Network Adapters Figure 6-5: A parallel port network adapter [...]...Types of Network Adapters Figure 6-6 : Wireless network adapters Types of Network Adapters Figure 6-7 : A variety of Ethernet network adapters Types of Network Adapters Figure 6-8 : Token Ring network adapters Types of Network Adapters Figure 6-9 : Ethernet network adapters for printers Installing Network Adapters To install modern network adapters, first install hardware, then install... programmable read-only memory (EEPROM)   Type of ROM found on a circuit board Configuration information can be erased and rewritten through electrical pulses Installing and Configuring Network Adapter Hardware Figure 6-1 0: A properly inserted network adapter Installing and Configuring Network Adapter Hardware Figure 6-1 1: Installing a PC Card network adapter Installing and Configuring Network Adapter Hardware... metal receptacle Figure 6-1 2: A jumper and a row of pins indicating two different settings Installing and Configuring Network Adapter Hardware DIP switch  Small, plastic toggle switch that represents “on” or “off” status Figure 6-1 3: DIP switches on a NIC Installing and Configuring Network Adapter Software Ensure that the correct device driver is installed for the network adapter and that it is configured... adapter and CPU Firmware Settings Once you have adjusted the network adapter s system resources, you may need to modify its transmission characteristics  These settings are held in the adapter s firmware Loopback plug  Plugs into port and crosses over the transmit line to the receive line so that the outgoing signal can be redirected back into the computer for testing Choosing the Right Network Adapter. .. redirected back into the computer for testing Choosing the Right Network Adapter Table 6-2 : Network adapter characteristics Repeaters Connectivity devices that regenerate and amplify an analog or digital signal Figure 6-1 6: Repeaters Hubs Multiport repeater containing multiple ports to interconnect multiple devices Figure 6-1 7: Detailed diagram of a hub Hubs Elements shared by most hubs:      Ports... Configuring Network Adapter Software Figure 6-1 4: Windows 2000 Upgrade Device Driver Wizard IRQ (Interrupt Request Line) Message to the computer that instructs it to stop what it is doing and pay attention to something else An interrupt is the wire on which a device issues voltage to signal this request Each interrupt must have a unique IRQ number IRQ (Interrupt Request Line) Table 6-1 : IRQ assignments... is loading Computer may run much slower than usual Though computer’s network adapter may work properly, other devices may stop working Video or sound card problems may occur Computer may fail to connect to the network Computer may experience intermittent data errors during transmission IRQ (Interrupt Request Line) Figure 6-1 5: Computer resource settings in Windows 2000 IRQ (Interrupt Request Line)... its devices’ configurations Information saved in CMOS is used by the computer’s BIOS (basic input/output system)  BIOS is a simple set of instructions enabling a computer to initially recognize its hardware Memory Range and Base I/O Port Memory range  Hexadecimal number indicating the area memory that the network adapter and CPU will use for exchanging, or buffering, the data Base I/O port  Setting... (Ethernet hubs only) Power supply Ventilation fan Hubs Figure 6-1 8: Hubs in a network design Hubs Passive hubs  Only repeats signal Intelligent hubs  Possesses processing capabilities Standalone Hubs Hubs that serve a group of computers that are isolated from the rest of the network  Best suited to small, independent departments, home offices, or test lab environments Disadvantage to using a single hub . peripherals Figure 6-4 : A USB network adapter Types of Network Adapters Types of Network Adapters Figure 6-5 : A parallel port network adapter Types of Network Adapters Types. Network Adapters Figure 6-6 : Wireless network adapters Types of Network Adapters Types of Network Adapters Figure 6-7 : A variety of Ethernet network adapters