Getting Started with Support
Download
Report
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
Course ILT
Serial port characteristics
Port speed
Data bits
Start/stop bits
Parity
Flow control
Male and female connectors
Course ILT
Male
Female
Serial connectors
Course ILT
Pin 6 Pin 9
Pin 5
Pin 1
Serial cables
Course ILT
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
Course ILT
Activity A-2
Examining parallel ports, cables,
and connectors
Course ILT
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
Keyboard
Mouse
Trackball
Trackpad
Pens (styli)
Touch screens
Course ILT
Keyboard port and connector
Course ILT
AT keyboard port and connector
Course ILT
Mouse port and connector
Course ILT
Bar code reader with Y-cable
Course ILT
Activity B-1
Examining keyboard and mouse ports
Course ILT
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
Hot-swappable
Self-configuring connections
Multiple device support
High-speed data transfers
Two classes
– Host
– Device
Course ILT
USB device classes
Audio
Communications device
HID
Imaging
IrDA Bridge
Mass storage
Monitor
Printer
Video
USB versions
Course ILT
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
Course ILT
USB devices in Device Manager
Course ILT
USB ports
Course ILT
USB connectors
Course ILT
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
Bar code readers
Keyboards
Mice
Touch screen monitors
Multimedia devices
Scanners/printers
Biometric devices
3. Restart your computer
Course ILT
Activity C-1
Examining the USB bus
Course ILT
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)
Course ILT
Isochronous transfers
Time-critical transfer of data
Video capture
Real-time video
Machine control
Course ILT
4-pin FireWire ports, connectors
Course ILT
6-pin FireWire ports, connectors
Course ILT
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
Course ILT
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
Course ILT
IrDA port
Course ILT
Radio
Modulated signals sent over radio
waves
Not line of sight
Varying technologies with varying
features
– 802.11g: 54 Mbps
Course ILT
802.11 wireless router
Course ILT
Bluetooth
Short-range radio (10 meters)
Self-configuring devices
Cell phones, PDAs, music players,
etc.
Course ILT
A Bluetooth mouse
Bluetooth address
Course ILT
Activity E-1
Exploring wireless communications
technologies
Course ILT
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
1/8” connectors
RCA connectors
Coax
MIDI
S/PDIF
S-Video
Course ILT
RCA and S-Video connectors
FireWire
S-Video
RCA connectors
USB
Course ILT
Coax connector
Course ILT
MIDI connectors
Course ILT
S/PDIF connections
Coax S/PDIF
connections
Square S/PDIF
input and output
connections
Course ILT
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
Course ILT
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