Page 2 - NOTICE
NOTICE This manual is written for the Auto Switch products of AS-41 1 P/41 1 S and AS-81 1P/811S. Most of the operations of these models are the some, anddifferences will be specified. The last character ‘P’ and ‘S’ of each model’s string means the parallel interface and the serial interface respect...
Page 3 - TABLE OF CONTENTS
TABLE OF CONTENTS FUNCTION OVERVIEW l - l Introduction .................................................................................... 1 l - 2 Function Specifications ................................................................ 4 1-3 Product Limitation .........................................
Page 4 - FUNCTION OVERVIEW
AS/2 Auto Switch FUNCTION OVERVIEW 1 FUNCTION OVERVIEW l-1 INTRODUCTION The AS/2 is a high performance and low cost printer sharing device which operates in either auto switching mode or manual switching mode. TheAS/2 allows up to four or eight source devices to share one common destinationdevices. ...
Page 7 - -2 FUNCTION SPECIFICATIONS
FUNCTION OVERVIEW AS/2 Auto Switch 1-2 FUNCTION SPECIFICATIONS PARALLEL MODEL FUNCTIONS AS-41 1 P AS-81 1 P Power Supply D C 9V, 1 0 0 m A * D C 9V, 1 0 0 m A Cable Length 6 M C O N N E C T O R I N P U T 4 CENTRONICS 8 CENTRONICS (DB-25)Female OUTPUT 1 CENTRONICS 1 CENTRONICS Input Status 4 8 L E D ...
Page 9 - -3 PRODUCT LIMITATION
FUNCTION OVERVIEW AS/2 Auto Switch 1-3 PRODUCT LIMITATION AS/2 is a well designed quality product. Its maximum performance and limitation is described as follows. ‘Hardware’ Handshaking, Xon-Xofl l AS/2's Manual Switching Mode is shaking Modes. l AS/2's Auto Switching Mode is only suitable for devic...
Page 16 - -3 AS Buffer Card Installation
AS/2 Auto Switch INSTALLATION 2-3 AS Buffer Card Installation AS buffer card has 64K, 256K or 1M bytes of memory and is used to expand the buffer memory of AS-41 1 P and AS-81 1 P auto switches. 1) 2) 3) 4) 5) Unscrew the 4 screws on both sides of the case. Lift up the upper case. Find the 14 x 2 go...
Page 18 - POWER ON PROCEDURE
AS/2 Auto Switch POWER ON PROCEDURE 3 POWER ON PROCEDURE 3-1 1) POWER ON PROCEDURE To reset the AS-81 1 P and AS-41 1 P (w/ buffer card), turn off/on power switch. AS-41 1 P (w/o buffer card) can be reset by recycling printer power while it is hooked to a printer. 2) After reset, the input channel’s...
Page 19 - -3 MANUAL SWITCHING MODE
POWER ON PROCEDURE AS/2 Auto Switch 3) When the ‘READY’ LED turns off, it indicates Connectors are not properly connected, Printer(or output device) is not switched on, Printer is not in ON-LINE status, or, Printer is out of paper. If buffer card installed for output ‘READY’ LED reflects buffer read...
Page 20 - APPENDIX A; TROUBLE SHOOTING
APPENDIX A TROUBLE SHOOTING PROBLEM SOLUTIONS LED fails to light up Check if power is turned ON or not Failure of data 1. Check if the Connector of each cable is well transmission plugged or not. 2. Check if PC is turned ON or not. 3. Check if PRINTER is turned ON or not. 4. Check if paper for PRINT...
Page 21 - APPENDIX B; CENTRONICS INTERFACE TIMING CHART; Centronics Interface Timing Chart
APPENDIX B CENTRONICS INTERFACE TIMING CHART Centronics Interface Timing Chart DATA , I I I 1 ACK (min) 18 User’s Manual
Page 22 - APPENDIX C; PREVENTING RADIO&TV INTERFERENCE
APPENDIX C PREVENTING RADIO&TV INTERFERENCE Warning this equipment generates, uses and radiates radio frequency energy and if not installed and used in accordance with the instruction manual may cause interference to radio and television reception. It has been tested and found to comply with the...