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InterForm Manual - System & Method

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A ppendix B - Attaching Printers to the iSeries<br />

This chapter provides information on how to configure the physical attachment of HP<br />

compatible Laser printers to your <strong>System</strong> i network.<br />

Note: Below it is proposed to change the system value, QAUTOCFG. This change may cause<br />

problems in certain rare setups. Remember always to have the approval of your <strong>System</strong> i<br />

responsible before changing any system value.<br />

Attachment <strong>Method</strong>s<br />

Most modern laser printers are designed for operation with an MS-W indows platform and is<br />

equipped with a Parallel Centronics port. Most of these printers understands HP-PCL5 which<br />

is an ASCII based print language. In order for the printer to operate on the <strong>System</strong> i a physical<br />

and logical protocol conversion must be used.<br />

The attachment of printers can be made by any of the following methods:<br />

400 User’s <strong>Manual</strong> for <strong>InterForm</strong>400 ®<br />

! Twinax to Centronics protocol converter (5219/3812 SCS compatible)<br />

! Printer port of a 5250 Terminal<br />

! Printer port of a PC with <strong>System</strong> i printer session capabilities (ASCII<br />

transparency compatible)<br />

! Internal or external LAN Print Server supporting TCP/IP LPD, TN5250E or<br />

Lexlink (Lexlink connection is not explained in this manual)<br />

! Other attachment which can print through a server receiving ASCII print data<br />

from the <strong>System</strong> i.<br />

®<br />

<strong>InterForm</strong>400 contains an EBCDIC to ASCII conversion program i.e. the setup of Host Print<br />

Transform is not used for merged <strong>InterForm</strong>400 spooled files.<br />

Attaching through a Twinax Protocol Converter<br />

The printer can be attached through any protocol converter emulating an IBM SCS printer and<br />

which understands the ASCII transparency SCS command (03h). This command is a standard<br />

feature according to the 5250 attachment standard, and should be supported by most<br />

interfaces emulating 5219 or 3812.<br />

The interface should preferably be configured to the system as 3812 model 1 SCS Printer<br />

device. If another SCS device description (eg. 4214) is specified enabling host print transform<br />

will allow ASCII transparency to be sent to this device as well. Refer to section Attaching<br />

through a 5250 Terminal.<br />

<strong>System</strong> Configuration by Auto Configuration<br />

The easiest way to create the device description for the protocol converter is using Auto<br />

Configuration.<br />

1. Enable Auto Configuration with the following CL command.<br />

CHGSYSVAL SYSVAL(QAUTOCFG) VALUE(‘1')<br />

2. An available Twinax device address (0-6) should be provided by the system<br />

administrator. Follow the instructions of your protocol converter in order to alter this<br />

switch setting.

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