beautypg.com

Xerox 4112-4127 Enterprise Printing System-192 User Manual

Page 122

background image

Specifying input parameters

2-14

Using LCDS Print Description Language

BLOCK FORMAT

Specifies the recording mode of the block length field.

Syntax

BLOCK FORMAT = type

Options

BLOCK LENGTH

Specifies the longest physical block that is being processed.

Syntax

BLOCK LENGTH = value

Options

Default

1330

BLOCK LENGTH

parameter: points

to note

The maximum block size that may be processed (up to
24,576 bytes) depends on the available task memory and the
processing features that are invoked. The Tape Client is able
to allocate at least one input buffer for offline tape jobs when
the tapes are written in maximum size blocks.

The LENGTH parameter may be overridden by ANSI or IBM
OS/Standard labels that specify block length.

Table 2-7. BLOCK FORMAT parameter options and definitions

Option

Definition

type

Type of recording mode of the block length field. The following types are
available:

BIN (binary)

DEC (decimal)

PACK (packed with no sign)

PKSG (packed with sign)

Table 2-8. BLOCK LENGTH parameter options and definitions

Option

Definition

value

Specifies the length, in bytes, of the longest physical block (an integer in the
range 12 to 24,576 bytes).