Printek FormsPro 4300 User Manual download pdf (Page 59)

Page C-1

APPENDIX C

OPTIONAL COAXIAL/TWINAXIAL INTERFACE

This appendix describes the configuration of the optional coaxial/twinaxial interface which

replaces the standard parallel interface. The factory default settings in the Interface setup

menu are Mode: Epson, I/O: CX/TX, and Data Bits: 8.

For your convenience, a parallel interface is also provided as part of the coaxial/twinaxial

interface. The interface will automatically switch to receive data from either the

coaxial/twinaxial port or the parallel port, after the timeout specified on the configuration DIP

switches (SW1-7 & SW1-8). When data is received at the coaxial/twinaxial port, the

interface will automatically switch to Printek emulation and select the EBCDIC font. The

interface will automatically switch the printer to the default emulation selected in the

Interface menu and select the parameters set for the current form in the Forms menu when

data is received at the parallel port. For information about changing emulations and/or how

to command other special printer functions via software control sequences, refer to the

Programmer's Manual.

This interface is supplied with two connector cables. One cable provides a BNC type

connector for coaxial connection. The other cable is a “smart T” for twinaxial connections,

and automatically provides line termination if you have only one twinaxial cable connected.

The interface also configures itself automatically for either coaxial or twinaxial operation,

depending upon which of the above cables is attached to the 15 pin “D” connector. Some of

the configuration DIP switches will also have different meanings depending upon which

cable is attached. Refer to the following coaxial or twinaxial section as appropriate for these

switch definitions and other configuration information.

COAXIAL OPERATION

This interface automatically configures itself for coaxial operation if the 15 pin “D” to BNC

adapter cable is plugged in when power is applied to the printer.

The coaxial interface allows you to attach a FormsPro 4000 series printer to IBM mainframes

via 3274, 3276, or 3174 Cluster Controllers, and emulates either the IBM 3287 or 3262

printer. This interface supports the three types of data transmitted from the Cluster

Controller. These types are dependent upon the controller type, the system configuration, and

the type of communication used. The types are:

DSC (Data Stream Compatible) 3270 type LU3

DSE (Data Stream Emulation) SNA type LU3

SCS (SNA Character Stream) SNA type LU1

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Printek FormsPro 4300 User Manual Page 59