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Ports, connectors, and cables

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Presentation on theme: "Ports, connectors, and cables"— Presentation transcript:

1 Ports, connectors, and cables
Unit objectives Identify and connect serial and parallel ports, cables, and connectors Identify and connect PS/2 ports, cables, and connectors Identify and connect USB ports, cables, and connectors Identify and connect FireWire ports, cables, and connectors Identify and connect infrared and Bluetooth wireless ports Identify and connect multimedia ports Identify the symptoms, probable causes, and potential solutions to port, cable, and connector related problems

2 Topic A Topic A: Serial and parallel ports, cables, and connectors
Topic B: Keyboards, mice, and pointing devices Topic C: USB ports, cables, and connectors Topic D: FireWire ports, cables, and connectors Topic E: Infrared and Bluetooth wireless ports Topic F: Multimedia ports, cables, and connectors Topic G: Port, cable, and connector troubleshooting

3 Serial transmission

4 Parallel transmission

5 Serial port resources Port IRQ I/O address (hex) COM1 4 03F8-03FF COM2

6 Serial port characteristics
Port speed Data bits Start/stop bits Parity Flow control

7 Male and female connectors

8 Serial connectors Pin 6 Pin 9 Pin 5 Pin 1

9 Serial cables Multiple conductors Straight-through cable
Send, receive, power, ground, etc. Straight-through cable Pin 1 goes to pin 1 Pin 2 goes to pin 2 Null modem cable Pins crossed and connected to simulate modem

10 Pin numbers Function Pin # (9-pin) Pin # (25-pin) Frame ground n/a 1
Carrier detect (CD) 8 Receive 2 3 Transmit Data terminal ready (DTR) 4 20 Signal ground 5 7 Data set ready (DSR) 6 Request to send (RTS) Clear to send (CTS)

11 9-pin null modem connections
9-pin cable functions End 1 End 2 Carrier detect (CD) 1 4 Receive 2 3 Transmit Data terminal ready (DTR) 1 and 6 Signal ground 5 Data set ready (DSR) 6 Request to send (RTS) 7 8 Clear to send (CTS)

12 25-pin null modem connections
25-pin cable functions End 1 End 2 Frame ground 1 Transmit 2 3 Receive Request to send (RTS) 4 5 Clear to send (CTS) Data set ready (DSR) 6 20 Signal ground 7 Carrier detect (CD) 8 Data terminal ready (DTR) 6 and 8

13 Examining serial ports, cables, and connectors
Activity A-1 Examining serial ports, cables, and connectors

14 Parallel ports Parallel transmissions Often used for printers
LPT ports LPT1 LPT2 Additional ports through expansion adapters More modern PCs use USB

15 Parallel port resources
IRQ I/O address (hex) LPT1 n/a F LPT2 F LPT3 03BC-03BF

16 Port types “Normal” or “Default” (unidirectional)
Bidirectional versions Standard (SPP) Enhanced (EPP) Extended capabilities port (ECP) Communications techniques Centronics

17 Female 25-pin parallel port

18 Centronics connectors

19 Examining parallel ports, cables, and connectors
Activity A-2 Examining parallel ports, cables, and connectors

20 Topic B Topic A: Serial and parallel ports, cables, and connectors
Topic B: Keyboards, mice, and pointing devices Topic C: USB ports, cables, and connectors Topic D: FireWire ports, cables, and connectors Topic E: Infrared and Bluetooth wireless ports Topic F: Multimedia ports, cables, and connectors Topic G: Port, cable, and connector troubleshooting

21 PC input devices Keyboard Mouse Trackball Trackpad Pens (styli)
Touch screens

22 Keyboard port and connector

23 AT keyboard port and connector

24 Mouse port and connector

25 Bar code reader with Y-cable

26 Examining keyboard and mouse ports
Activity B-1 Examining keyboard and mouse ports

27 Topic C Topic A: Serial and parallel ports, cables, and connectors
Topic B: Keyboards, mice, and pointing devices Topic C: USB ports, cables, and connectors Topic D: FireWire ports, cables, and connectors Topic E: Infrared and Bluetooth wireless ports Topic F: Multimedia ports, cables, and connectors Topic G: Port, cable, and connector troubleshooting

28 USB features Hot-swappable Self-configuring connections
Multiple device support High-speed data transfers Two classes Host Device

29 USB device classes Audio Communications device HID Imaging IrDA Bridge
Mass storage Monitor Printer Video

30 USB versions USB 1.1 USB 2.0 Up to 12 MBps transfers
Three speeds: 1.5 MBps, 12 MBps, and 480 MBps Backward compatible

31 USB symbols USB port symbol USB 2.0 label

32 USB devices in Device Manager

33 USB ports

34 USB connectors

35 USB power 5 volts, 6 amps = 30 watts powe
Best for small-draw devices, such as USB hubs Use a powered hub with many devices or high-draw devices

36 Installing USB devices
Run setup program from device manufacturer Connect USB device Bar code readers Keyboards Mice Touch screen monitors Multimedia devices Scanners/printers Biometric devices Restart your computer

37 Activity C-1 Examining the USB bus

38 Topic D Topic A: Serial and parallel ports, cables, and connectors
Topic B: Keyboards, mice, and pointing devices Topic C: USB ports, cables, and connectors Topic D: FireWire ports, cables, and connectors Topic E: Infrared and Bluetooth wireless ports Topic F: Multimedia ports, cables, and connectors Topic G: Port, cable, and connector troubleshooting

39 FireWire features Hot-swapping and self-configuration
Multiple device support — Up to 63 devices (16 physical) Data transfer rates of 800 Mbps and beyond Asynchronous and isochronous transfer modes Supports time-critical transfers on the bus, such as real-time video Based on the Serial SCSI standard Peer-to-peer bus

40 FireWire versions FireWire 400 FireWire 800 Up to 400 MBps
Cables up to 4.5 meters (Daisy chain up to 72 meters) FireWire 800 Base speed 800 MBps 1.6 and 3.2 GBps versions available (Extend to 1000 meters with optical repeaters)

41 Isochronous transfers
Time-critical transfer of data Video capture Real-time video Machine control

42 4-pin FireWire ports, connectors

43 6-pin FireWire ports, connectors

44 FireWire power 30 volts, 1.5 amps = 45 watts power
Higher power provisions than USB

45 Installing FireWire devices
No device drivers for expansion adapters or devices in Windows 2000 Professional All Windows XP versions OS interacts with device using IEEE 1394 specifications Simply plug in: Video cameras Printers External drives

46 Examining the FireWire bus
Activity D-1 Examining the FireWire bus

47 Topic E Topic A: Serial and parallel ports, cables, and connectors
Topic B: Keyboards, mice, and pointing devices Topic C: USB ports, cables, and connectors Topic D: FireWire ports, cables, and connectors Topic E: Infrared and Bluetooth wireless ports Topic F: Multimedia ports, cables, and connectors Topic G: Port, cable, and connector troubleshooting

48 Wireless connections Infrared Radio Bluetooth

49 Infrared Pulses of infrared light 9600 bps to 4 Mbps
10 – 20 feet range Direct line of sight Infrared Serial Data Link (ISDL) 1.5 Mbps 20 feet

50 IrDA port

51 Radio Modulated signals sent over radio waves Not line of sight
Varying technologies with varying features 802.11g: 54 Mbps

52 wireless router

53 Bluetooth Short-range radio (10 meters) Self-configuring devices
Cell phones, PDAs, music players, etc.

54 A Bluetooth mouse Bluetooth address

55 Exploring wireless communications technologies
Activity E-1 Exploring wireless communications technologies

56 Topic F Topic A: Serial and parallel ports, cables, and connectors
Topic B: Keyboards, mice, and pointing devices Topic C: USB ports, cables, and connectors Topic D: FireWire ports, cables, and connectors Topic E: Infrared and Bluetooth wireless ports Topic F: Multimedia ports, cables, and connectors Topic G: Port, cable, and connector troubleshooting

57 Multimedia connections
1/8” connectors RCA connectors Coax MIDI S/PDIF S-Video

58 RCA and S-Video connectors
FireWire RCA connectors USB

59 Coax connector

60 MIDI connectors

61 S/PDIF connections Coax S/PDIF connections Square S/PDIF
input and output connections

62 Examining multimedia connections
Activity F-1 Examining multimedia connections

63 Topic G Topic A: Serial and parallel ports, cables, and connectors
Topic B: Keyboards, mice, and pointing devices Topic C: USB ports, cables, and connectors Topic D: FireWire ports, cables, and connectors Topic E: Infrared and Bluetooth wireless ports Topic F: Multimedia ports, cables, and connectors Topic G: Port, cable, and connector troubleshooting

64 Serial port, cable and connectors
Serial port physically present, but not listed in Device Manager Serial port inaccessible PC is unable to detect or connect to external modem

65 Parallel ports, cables and connectors
Parallel port physically present, but not listed in Device Manager Parallel port inaccessible Cannot print to printer connected to parallel port

66 USB ports, cables and connectors
Cannot connect to or use USB device USB device not listed in Device Manager USB device works intermittently or not at all “Unknown Device” in Device Manager

67 PS/2 ports, cables and connectors
“No Keyboard Found” BIOS error Moving mouse causes random characters to appear on the screen or you receive a series of beeps No mouse pointer or pointer won’t move when you move the mouse Mouse moves erratically

68 Wireless ports Unable to connect to infrared device
Unable to connect to radio wireless device Unable to connect to Bluetooth wireless device Wireless device not responding

69 Multimedia ports S/PDIF connection produces garbled data, error messages indicate Unknown Format or Wrong Sample Rate MIDI device is not found Video problems occur when using S-Video connection No sound from the speakers

70 Troubleshooting port, cable, and connector-related problems
Activity G-1 Troubleshooting port, cable, and connector-related problems

71 Unit summary Identified and connected serial and parallel ports, cables, and connectors Identified and connected PS/2 ports, cables, and connectors Identified and connected USB ports, cables, and connectors Identified and connected FireWire ports, cables, and connectors Identified and connected infrared and Bluetooth wireless ports Identified and connected multimedia ports Resolved port, cable, and connector related problems


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