Transcript Getting Started with Support

Course ILT
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
Course ILT
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
Course ILT
Serial transmission
Course ILT
Parallel transmission
Serial port resources
Course ILT
Port
IRQ
I/O address (hex)
COM1
4
03F8-03FF
COM2
3
02F8-02FF
COM3
4
03F8-03FF
COM4
3
02F8-02FF
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Serial port characteristics
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Port speed
Data bits
Start/stop bits
Parity
Flow control
Male and female connectors
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Male
Female
Serial connectors
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Pin 6 Pin 9
Pin 5
Pin 1
Serial cables
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 Multiple conductors
– 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
Pin numbers
Course ILT
Function
Pin # (9-pin)
Pin # (25-pin)
n/a
1
Carrier detect (CD)
1
8
Receive
2
3
Transmit
3
2
Data terminal ready
(DTR)
4
20
Signal ground
5
7
Data set ready (DSR)
6
6
Request to send (RTS)
7
4
Clear to send (CTS)
8
5
Frame ground
9-pin null modem connections
Course ILT
9-pin cable functions
End 1
End 2
Carrier detect (CD)
1
4
Receive
2
3
Transmit
3
2
Data terminal ready (DTR)
4
1 and 6
Signal ground
5
5
Data set ready (DSR)
6
4
Request to send (RTS)
7
8
Clear to send (CTS)
8
7
25-pin null modem connections
Course ILT
25-pin cable functions
End 1
End 2
Frame ground
1
1
Transmit
2
3
Receive
3
2
Request to send (RTS)
4
5
Clear to send (CTS)
5
4
Data set ready (DSR)
6
20
Signal ground
7
7
Carrier detect (CD)
8
20
Data terminal ready (DTR)
20
6 and 8
Course ILT
Activity A-1
Examining serial ports, cables,
and connectors
Course ILT
Parallel ports
 Parallel transmissions
 Often used for printers
 LPT ports
– LPT1
– LPT2
– Additional ports through expansion
adapters
 More modern PCs use USB
Course ILT
Parallel port resources
Port
LPT1
IRQ
n/a
I/O address (hex)
0378-037F
LPT2
n/a
0278-027F
LPT3
n/a
03BC-03BF
Course ILT
Port types
 “Normal” or “Default” (unidirectional)
 Bidirectional versions
– Standard (SPP)
– Enhanced (EPP)
– Extended capabilities port (ECP)
 Communications techniques
– Centronics
Course ILT
Female 25-pin parallel port
Parallel port
Course ILT
Centronics connectors
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Activity A-2
Examining parallel ports, cables,
and connectors
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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
Course ILT
PC input devices
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Keyboard
Mouse
Trackball
Trackpad
Pens (styli)
Touch screens
Course ILT
Keyboard port and connector
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AT keyboard port and connector
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Mouse port and connector
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Bar code reader with Y-cable
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Activity B-1
Examining keyboard and mouse ports
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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
Course ILT
USB features
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Hot-swappable
Self-configuring connections
Multiple device support
High-speed data transfers
Two classes
– Host
– Device
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USB device classes
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Audio
Communications device
HID
Imaging
IrDA Bridge
Mass storage
Monitor
Printer
Video
USB versions
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 USB 1.1
– Up to 12 MBps transfers
 USB 2.0
– Three speeds: 1.5 MBps, 12 MBps, and
480 MBps
– Backward compatible
Course ILT
USB symbols
USB port symbol
USB 2.0 label
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USB devices in Device Manager
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USB ports
Course ILT
USB connectors
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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
Course ILT
Installing USB devices
1. Run setup program from device
manufacturer
2. Connect USB device
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Bar code readers
Keyboards
Mice
Touch screen monitors
Multimedia devices
Scanners/printers
Biometric devices
3. Restart your computer
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Activity C-1
Examining the USB bus
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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
Course ILT
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
FireWire versions
Course ILT
 FireWire 400
– 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
– Cables up to 4.5 meters
 (Extend to 1000 meters with optical
repeaters)
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Isochronous transfers
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Time-critical transfer of data
Video capture
Real-time video
Machine control
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4-pin FireWire ports, connectors
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6-pin FireWire ports, connectors
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FireWire power
 30 volts, 1.5 amps = 45 watts power
 Higher power provisions than USB
Course ILT
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
Course ILT
Activity D-1
Examining the FireWire bus
Course ILT
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
Course ILT
Wireless connections
 Infrared
 Radio
 Bluetooth
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Infrared
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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
Course ILT
IrDA port
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Radio
 Modulated signals sent over radio
waves
 Not line of sight
 Varying technologies with varying
features
– 802.11g: 54 Mbps
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802.11 wireless router
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Bluetooth
 Short-range radio (10 meters)
 Self-configuring devices
 Cell phones, PDAs, music players,
etc.
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A Bluetooth mouse
Bluetooth address
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Activity E-1
Exploring wireless communications
technologies
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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
Course ILT
Multimedia connections
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1/8” connectors
RCA connectors
Coax
MIDI
S/PDIF
S-Video
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RCA and S-Video connectors
FireWire
S-Video
RCA connectors
USB
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Coax connector
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MIDI connectors
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S/PDIF connections
Coax S/PDIF
connections
Square S/PDIF
input and output
connections
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Activity F-1
Examining multimedia connections
Course ILT
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
Course ILT
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
Course ILT
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
Course ILT
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
Course ILT
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
Course ILT
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
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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 SVideo connection
 No sound from the speakers
Course ILT
Activity G-1
Troubleshooting port, cable, and
connector-related problems
Course ILT
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