定价： 570元 / 折扣价： 485 元 加购物车

Specifies a Hybrid Ring Control (HRC) protocol that provides a mode of operation in which both packet switched and isochronous data are transmitted within the same special frame structure, called a cycle.

定价： 570元 / 折扣价： 485 元 加购物车

Provides the requirements for the helical-scan recording method and the Digital Data Storage (DDS) recorded format of a 3.81-mm (0.150-in) magnetic tape cartridge to be used for information interchange between information processing systems. Information interchange between information processing systems requires the use of this standard in conjunction with the unrecorded tape and cartridge requirements provided by the American National Standard for Information Systems - Unrecorded Helical-Scan Digital Computer Tape Cartridge for Information Interchange, 3.81-mm (0.150-in), ANSI X3.206-1993.

定价： 570元 / 折扣价： 485 元 加购物车

This standard provides the requirements for the Helical-Scan recording method and the DATA/DAT recorded format of a 3.81 mm (0.150 in) magnetic tape cartridge to be used for information interchange between information processing systems.

定价： 570元 / 折扣价： 485 元 加购物车

The standard specifies the characteristics of 130-mm optical disk cartridges (ODC) of the type providing for information to be written, read, and erased many times using the magneto-optical effect. ANSI X3.212:1992 specifies - definitions of the essential concepts, - the environment in which the characteristics shall be tested, - the environments in which the cartridge shall be operated and stored, - the mechanical, physical, and dimensional characteristics of the case and of the optical disk, - the magneto-optical characteristics and the recording characteristics for recording the information and for erasing it many times, so as to provide physical interchangeability between data processing systems.

定价： 546元 / 折扣价： 465 元 加购物车

This standard specifies the characteristics of 130-mm optical disk cartridges (ODC) of the type providing for information to be written once and read many times.

定价： 570元 / 折扣价： 485 元 加购物车

This standard specifies the characteristics of 130-mm optical disk cartridges (ODC) of the type providing for information to be written once and read many times. ANSI X3.214:1992 specifies - definitions of essential concepts, - the environment in which the characteristics shall be tested, - the environments in which the cartridge shall be operated and stored, - the mechanical, physical, and dimensional characteristics of the case and of the optical disk, - the optical characteristics and the recording characteristics for recording the information once and for reading it many times. so as to provide physical interchangeability between date processing systems.

定价： 546元 / 折扣价： 465 元 加购物车

This standard specifies the characteristics of 130-mm optical disk cartridges (ODC) of the Write Once Multiple (WORM) type, which provides for the disk to be intialized once, and the information to be written once only and read many times using the magnet

定价： 546元 / 折扣价： 465 元 加购物车

This standard is designed to promote the interchangeability of DIBOL programs among a variety of computers. Programs conforming to this standard will be said to be written in DIBOL.

定价： 570元 / 折扣价： 485 元 加购物车

This standard provides the requirements for a standard for a streaming 0.250 inch (6.30 mm), wide, 15 & 18 Track, magnetic tape in a cartridge to be used for information interchange between information processing systems, communications systems, and associated equipment utilizing a standard code for information interchange, as agreed upon by the interchange parties. This standard refers solely to recording on magnetic tape.

定价： 570元 / 折扣价： 485 元 加购物车

Describes the matrix of dot placement and size limits for OCR-MB alphanumeric characters and symbols for optical character recognition (OCR) systems.

定价： 570元 / 折扣价： 485 元 加购物车

The standard specifies the characteristics of 130-mm optical disk cartridges (ODC) of the type providing for information to be written, read, and erased many times using the magneto-optical effect.

定价： 570元 / 折扣价： 485 元 加购物车

This standard specifies the characteristics of 130-mm optical disk cartridges (ODC) of the Write Once Multiple (WORM) type, which provides for the disk to be intialized once, and the information to be written once only and read many times using the magnet.

定价： 570元 / 折扣价： 485 元 加购物车

This standard for an unrecorded cartridge containing 0.250-inch (6.30 mm) magnetic tape presents the minimum requirements for the mechanical and magnetic interchangeability of the cartridge between information processing systems, communications systems, and associated equipment using the American National Standard Code for Information Interchange, ANSI X3.4:1977 (ASCII).

定价： 570元 / 折扣价： 485 元 加购物车

The standard specifies: definitions of essential concepts; the environment in which the characteristics are to be tested; the environments in which the cartridge is to be operated and stored; the mechanical, physical and dimensional characteristics of the case and of the optical disk; the optical characteristics and the recording characteristics for recording the information once and for reading it many times, so as to provide physical interchangeability between data processing systems.

定价： 570元 / 折扣价： 485 元 加购物车