AS/2 AUTO SWITCH AS-411P / AS-811P / AS-411S / AS
Contents
1. 2 Auto Switch 1 3 PRODUCT LIMITATION AS 2 is a well designed quality product Its maximum performance and limitation is described as follows e AS 2 s Auto Switching Mode is only suitable for devices which use Hardware Handshaking Xon Xoflf Handshaking is not allowed e AS 2 s Manual Switching Mode is suitable for all kinds of Hand shaking Modes e For models of AS 41 1 P and AS 81 1 P the cable length is limited to no more than 6 meters e For models of AS 41 1 S and AS 81 1 S the cable length is limited to no more than 15 meters e he Input Ports and the Output Ports are constantly configured to be DTE or DCE that are shown in section l 2 Function Specificat ions Make sure you are using the right cable to connect your PC or devices to AS 2 NOTE DTE means Data Terminal Equipment DCE means Data Communications Equipment e he Serial Interface and Parallel Interface mentioned in this manual are RS 232C and Centronics respectively please refer to Appendix B e AS 2 is IBM PC AT XT compatible 6 Users Manual AS 2 Auto Switch INSTALLATION 2 INSTALLATION 2 1 INSTALLATION PROCEDURE 2 1 1 Cable Connection Table AS 411P 4 IN 1 OUT Centronic see Fig 2 1 1 AS 811P 8 IN 1 OUT Centronic see Fig 2 1 2 AS 4118 4 IN 1 OUT Serial see Fig 2 1 3 AS 811S 8 IN 1 OUT Serial see Fig 2 1 4 2 1 2 Serial Port Cabling for AS 411S AS 811S only Device s Connector Pin Cables DB 402S DCE DTE DC2. be quickly understood by reading the following table MODEL INPUT PORT OUTPUT PORT CONNECTION AS 411P 4 CENTRONICS Female 1 CENTRONICS Female Fig 1 1 1 AS 81 1 P 8 CENTRONICS Female 1 CENTRONICS Female Fig 1 1 2 AS 41 1S 4 RS 232C DCE Female 1 RS232C DTE Male rig 1 1 3 AS 811s 8 RS 232C DCE Female RS 232C DTE Male Fig 1 1 4 The AS 2 tremendously improves the efficiency of your switching applications We suggest that you take a few moments to carefully read the following instructions to ensure the maximum benefits and convenience your AS 2 offers The following figures are the AS 2 s front views and rear views Users Manual 1 FUNCTION OVERVIEW AS 2 Auto Switch MANUAL a5 eh ll AUTO SWITCH s sececr ERE ERE EIE CARO NXPENDABLIE a d V AMAA 4 15 o s ald Vy O s os e s 4 V 2448 A 8 505 5 545 AAA AM a KN mm MANUAL a a 9 9 Ss LV Ss SELECT cS POWER COMPUTER COMPUTER 2 COMPUTER 3 COMPUTER 4 COMPUTER COMPUTERGE I ee Fig 1 1 2 AS 811P s Front Rear View 2 User s Manual AS 2 Auto Switch FUNCTION OVERVIEW LA 4M f eil 11 5 AUTO SELECT a e e e e du u Oy 8 DC SAAS emm MANUAL ow ssLEcT PRINTER s READY usi BUFFER CARD EXPENDABLE SOURCE SOURCE 2 SOURCE 4 SOURCE e SOURCE amp ur amm
3. AS 2 AUTO SWITCH AS 411P AS 811P AS 411S 25 65 User s Manual Copyright 1990 ATEN International CO LTD Manual part NO PAPE 0092 200 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 and differences will be specified The last character P and S of each model s string means the parallel interface and the serial interface respectively In this manual AS 2 is used to represent all the models of AS 41 1 P AS 41 1 S and AS 81 1 P 81 1 S When you purchase this product it should contain the following items PACKAGE CHECKLIST e An AS P any one of AS 41 1 P AS 41 1 S AS 81 1 P AS 81 1 S e he Power Adapter spec depends on the following product model the power adapter supports AS 81 1 P model only Model opec AS 411P NONE AS 811P DC 9V 300mA AS 4119 NONE AS 8115 NONE e An AS 2 Auto Switch Users Manual QUICK LOOK INTERFACE TABLE POWER ADAPTER BUFFER CARD MODEL i INPUT PORT OUTPUT PORT SUPPORTED SUPPORTED AS 411P 4 GENTRONICS hemale 1 CENTRONICS Female No yes AS 811P 8 CENTRONICS Female 1 CENTRONICS Female AS 4118 4 RS 232C DCE Female 1 RS 232C DTE Male AS 811S 8 RS232C DCE Female RS 232C DTE Male The adapter comes with buffer card AS 2 is a trademark of ATEN International Co Ltd IBM PC PC XT and PC AT are trademarks of Internati
4. E SS OTE SR IOS Gt E K Sc DTE Note 1 The DTE mode device must be connected to a DCE mode device because the polarity of the communication signals are different The shadow area is a connection example for a DTE device to a DCE device 2 CD is from DCE device to DTE device User s Manual INSTALLATION AS 2 Auto Switch eee LL L 9ie UD0 owtch 2 1 3 Parallel Port Cabling for AS 411P AS 811P only Device s Pin 25 pin 25 pin cable AS 2 Auto Switch DB 25 C 36 or 36 pin 25 pin cable STROBE DO D7 _ ACK BUSY PE SLCT AUTOFEED XT 8 User s Manual AS 2 Auto Switch INSTALLATION e ote Jo s etste gd vy SARSARAATASA oi oTo o oP etu A ey o ota aae e Wii E oi eieiei of o o of eh gd Wii AAA AAAA Aa e SHAMAN SAS SAAS At SA SAS PRINTER M M D25 36 PIN M M D25 PIN Fig 2 1 1 AS 411P s 4 IN 1 OUT Configuration conv COMPUTER 7 OOMPCITIM e qu R UNTER opua equo cca SES Sp SE nm w w 025 56 re Kai Kc Fig 2 1 2 AS 811P s 8 IN 1 OUT Configuration User s Manual INSTALLATION AS 2 Auto Switch Fig 2 1 3 AS 411S s 4 IN 1 OUT Configuration 66 55 DENNER DNNE F M 025 PIN F M 025 PIN AM 025 PIN D25 PI FAN 025 PIN F M D25 PIN SOURCE 1 SOURCE s o 3o XE Ke SOURCE 4 SOoUmce s SOURCE COMMON jeje Geom Gas F M 025
5. LINE status or Printer is out of paper If buffer card installed for output READY LED reflects buffer readiness 4 When the AS 2 is serving a certain input channel it does not switch to serve another channel even though the printing gets interrupted by printer s power off or printer out of paper etc NOTE Only in the Manual Switching Mode user can force the AS 2 to switch to and service another input channel 3 3 MANUAL SWITCHING MODE 1 Press the SELECT button on the left side of the front panel to see the corresponding LED comes on and the selected input channel s LED remains lit 2 Now the AS 2 is in the Manual Switching Mode If the manual selected input channel stays on LED 1 then pressing the SELECT button again the AS 2 will switch the input channel to the next channel LED 2 Pressing the SELECT button again it will switch to the next channel LED 3 and so on 3 If the manual selected input channel stays on LED 4 or LED 8 then pressing the SELECT button the AS 2 will enter Auto Switching Mode and LED 1 LED 4 or LED 8 turned on 16 Users Manual 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 PRINTER is well pr
6. PIN FAN 025 PN F M 025 PN CJ L e am M lt Ce Ee NSS Fig 2 1 4 AS 811S s 8 IN 1 OUT Configuration 10 User s Manual AS 2 Auto Switch INSTALLATION 2 2 DIP SWITCH SETTING While the AS 2 powers on it reads the status of the DIP switches and executes to the function setting which is shown in the following figure The Default Setting of the AS 2 is marked by the shadow area Time Out Setting EME Time Out sec eor oo Fig 2 2 1 AS 411P Auto Switch s DIP Switch Setting Time Out Setting 2 8 4 Time Out sec Fi ON 80 SEI Fig 2 2 2 AS 811P Auto Switch s DIP Switch Setting l CK User s Manual 11 INSTALLATION AS 2 Auto Switch Time Out Setting 4 Time Out sec erer 5 OFF OFF ON 30 OFF ON OFF 25 OFF ON ON 20 o OFF JON Fig 2 2 3 AS 411S 811S Auto Switch s DIP Switch Setting NOTE The DIP Switch Setting with the shadow marks are the AS 2 s Default Setting 12 User s Manual 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 P and AS 81 P auto switches 1 Unscrew the 4 screws on both sides of the case 2 Lift up the upper case 3 Find the 14 x 2 gold pin connector on the PCB for AS 41 1 P users see Fig 2 3 l for AS 81 1 P users see Fig 2 3 2 4 Push the plastic spacers through the PCB to secu
7. epared or not 5 Check if Print command on PC is correct or not 6 Check if connector at computer s end has been connected in accordance with menu Data Loss or Error Check if the Handshake mode between the Computer and AS 2 is the Hardware Handshake mode If failure of printing still exists upon aforesaid solutions please contact your dealer for help Users Manual 17 APPENDIX B CENTRONICS INTERFACE TIMING CHART Centronics Interface Timing Chart 18 Users Manual APPENDIX C PREVENTING RADIO amp 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 limits for a Class A computing device in accordance with the specifications in Subpart J of Part 15 of FCC Rules which are designed to provide reasonable protection against such interference when operated in a commercial environment Operation of this equipment in a residential area is likely to cause interference in which case the user at his own expense will be required to take whatever measures may be required to correct the interference If this equipment does cause interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more o
8. f the following measures Reorient the reveiving antenna Relocate the computer with respect to the receiver Move the computer away from the receiver Plu the computer into a different outlet so that computer and receiver an8 on different branch circuits 5 Ensure that the mounting screws attachment connector screws and ground wires are tightly secured 6 Ensure that good quality shielded and grounded cables are used for data communications A OO N If necessary the user should consult the dealer or an experienced radio television technician for additional suggestions Users Manual 19
9. mowmm Fig 1 1 4 AS 811S s Front Rear View User s Manual 3 FUNCTION OVERVIEW AS 2 Auto Switch 1 2 FUNCTION SPECIFICATIONS PARALLEL MODEL FUNCTIONS AS M1P AS 811P Power Supply DC 9V 100mA DC 9V 100mA Cable Length 6M CONNECTOR INPUT 4 CENTRONICS 8 CENTRONICS DB 25 Female OUTPUT 1 CENTRONICS CENTRONICS Input Status LED Brinter Ready Manual Buffer Care Extended 256K 1 M 2M Bytes Input Arbitration First Come First Serve Function Key Manual Select Input Port Selection Auto or Manual Time out Selection 5 60 sec Ooeration Temp 5 c 40 c Stock Temp 20 c Humidity 0 80 Enclosure Metal Weight 2520g Dimensions 224 x 154 x 615mm 205 x 97 x 230mn The adaptor comes with buffer card Fig 1 2 1 AS 41 1 P AS 81 1 P s Function Specifications 4 Users Manual AS 2 Auto Switch FUNCTION OVERVIEW SERIAL MODEL FUNCTIONS AS 41 1S AS 81 1 s CONNECTOR INPUT Female 4 RS 232C DCE DB 25 OUTPUT Male 1 RS 232C DTE h RS 232C DTE Input Status Power Input Arbitration First Come First Serve Function Key Manual Select input Port Selection Auto or Manual Time out Selection 10 90 sec Operation Temp 5 C 40 C Stock Temp 20 c 60 C Humidity 096 8096 Enclosure Weight Dimensions 224 x 154 x 615mm 205 x 97 x 230mr Fig 1 2 1 AS 41 1 S AS 81 1 S s Function Specifications Users Manual 5 FUNCTION OVERVIEW AS
10. onal Business Machines Corporation TABLE OF CONTENTS 1 FUNCTION OVERVIEW LI Introduction I 2 Function Specifications cuiauisetta uu ite a a 4 1 3 Product Limitation errem 6 2 INSTALLATION 2 l Installation Procedure cse ci eet o o c EE e EE e he ER EX e ae 7 Ge E Une NET 11 2 9 As Buffer Card Installation 13 3 POWER ON PROCEDURE G4 Power Om Procedure dentes once Ha rd Rr 15 3 2 Auto Switehing Mode a 15 S73 Manual Switching 1 1066 EE 16 APPENDIX A Trouble lee te Le EE 17 APPENDIX B Centronics Interface Timing Chart EE 18 APPENDIX C Preventing Radio amp TV Interference mel 19 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 The AS 2 allows up to four or eight source devices to share one common destination devices In the auto switching mode the AS 2 automatically locks on and services the source device that requests to link with the common device However in the manual switching mode the AS 2 works exactly the same way as the conventional data switch There are four models AS 41 1P AS 41 1S AS 81 1 P and AS 81 1 S all belong to the AS 2 auto switch products These differences can
11. re the AS Buffer Card 5 Place the upper case back and tighten the 4 screws back Fig 2 3 The AS 41 P s Buffer Card Installation Users Manual 13 INSTALLATION AS 2 Auto Switch Fig 2 3 2 The AS 81 1 P s Buffer Card Installation 4 J Users Manual AS 2 Auto Switch POWER ON PROCEDURE 3 POWER ON PROCEDURE 3 1 POWER ON PROCEDURE 1 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 service LEDs are on Meanwhile the AS 2 is ready for operation and it enters the auto switching mode automatically 3 2 AUTO SWITCHING MODE 1 In auto switching mode all see the input channel s service LEDs are on That means the AS 2 is standing by to get data from all channels 2 lf any input channel requests to be served the requested channel LED will be on and the AS 2 will lock on to that channel At this moment the output port of AS 2 will only serve the locked input channel until all the input data from the requested channel has been sent out and also the time out period is up The time out setting depends on the current DIP Switch s Setting of AS 2 Users Manual 15 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
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