Connections

Unit objective: Identify connection interfaces and

connectors and cables

Topic A

Topic A: Connection interfaces Topic B: Connectors and cables

Serial transmission

Serial ports

Port IRQ I/O address (hex)

COM1 4 03F8-03FF

COM2 3 02F8-02FF

COM3 4 03E8-03EF

COM4 3 02E8-02EF

Parallel transmission

USB features

Hot-swappable Self-configuring connections Multiple-device support High-speed data transfers Power Two component classes

– Host– Device

USB versions

USB 1.1– Up to 12 Mbps transfers

USB 2.0– Three speeds: 1.5 Mbps, 12 Mbps, 480 Mbps– Backward compatible– Windows uses “Enhanced” for 2.0

USB 3.0 – SuperSpeed USB– Up to 5.0 Gbps – Upwardly compatible with USB 2.0 devices – Power management features– Full duplex

FireWire features

Hot-swapping and self-configuration Multiple-device support High-speed data transfer rates Asynchronous and isochronous

transfer modes FireWire, IEEE1394, i.Link Peer-to-peer bus

FireWire versions

FireWire 400 (1394a)– Base speed up to 400 Mbps

FireWire 800 (1394b)– Base speed 800 Mbps

SATA and IDE

Host bus adapter AT Attachment

– PATA– SATA– eSATA

Primary and secondary channels

Video interfaces

VGA HDMI DVI

Audio

Digital signal processor Analog-to-digital converter Digital-to-analog converter Jacks

RJ-11 and RJ-45

Wireless

Infrared Radio waves Bluetooth

Topic B

Topic A: Connection interfaces Topic B: Connectors and cables

Video connectors and cables

DVI DisplayPort VGA RCA S-Video Component video Coaxial BNC HDMI Ethernet cable and RJ-45

Peripheral connectors

PATA Floppy drives SATA and eSATA Serial Parallel PS/2 SCSI USB FireWire Audio Phone and modem

Unit summary

Identified connection interfaces and cables and connectors