Rocstor Arcticroc 2T User Manual download pdf (Page 54)

ARCTICROC 2T – 2Bay RAID System - User Manual Page | 54

FireWire 800 (IEEE 1394b) 9-pin FireWire 800/3200 (IEEE 1394b) connector

was introduced commercially by Apple in 2003. This newer 1394

specification (1394b) and corresponding products allow a transfer rate of

786.432 Mbits/sec full-duplex via a new encoding scheme termed beta

mode. It is backwards compatible to the slower rates and 6-pin connectors

of FireWire 400. However, while the IEEE 1394a and IEEE 1394b standards

are compatible, the FireWire 800's connector is different from FireWire 400's

connector, making the two cables incompatible. An adapter or adapter cable,

purchased from a local electronics store allows the connection of older

devices to the newer port.

The full IEEE 1394b specification supports data rates up to 3200 Mbits/sec over beta-mode

optical connections up to 320 Ft (100 meters) in length.

Universal Serial Bus (USB) is a serial bus standard to interface devices. USB was

designed to allow peripherals to be connected using a single standardized

interface socket and to improve Plug-and-play capabilities by allowing devices to

be connected and disconnected without rebooting the computer (hot-swapping).

Other convenient features include providing power to low-consumption devices

without the need for an external power supply and allowing many devices to be

used without requiring manufacturer specific, individual device drivers to be

installed.

USB can connect computer peripherals such as external hard drives storage

devices, keyboards, PDAs, scanners, digital cameras, printers, personal media

players and flash drives. For many of those devices USB has become the

standard connection method.

USB supports three data transfer rates:

• USB 2.0: A Hi-Speed rate of 480 Mbits/s (60 MB/s). All Rocstor devices are integrated with

USB 2.0, Hi-Speed.

• USB 1.1: A Full Speed rate of 12 Mbits/s (1.5 MB/s). All USB Hubs support Full Speed.

• USB 1.0: A Low Speed rate of 1.5 Mbits/s (187 KB/s)

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Rocstor Arcticroc 2T User Manual Page 54