ATEN Technology AS-8441B User's Manual
Contents
1. seconds oOo oo Aa WwW Turn on your computers and the printer The four LEDs should flash alternately as the switch scans for print jobs Note If the Bitronics Auto Switch does not get enough power from the connected devices its operation becomes erratic in which case you must use a Power Adapter 1 to 4 Mode AS 8144B only Never change DIP switch segment 3 from 1 gt 4 to 4 gt 1 or vice versa when connected devices are powered On 1 Turn off all devices 2 Connect the Bitronics Auto Switch to the computer with a DB 25 straight through male to male cable 3 Connect the Bitronics Auto Switch to the parallel devices with cables that have a DB 25 male connector at one end to plug into the switch and a connector appropriate for the device at the other 4 Set DIP switch segment 3 located on the side panel to 1 gt 4 mode 5 Turn on your computer and the parallel devices The A LED turns on as the switch connects to port A on start up Note If the Bitronics Auto Switch does not get enough power from the connected devices its operation becomes erratic in which case you must use a Power Adapter Operation 4 to 1 Mode AS 8144B amp AS 8441B Manual Mode Under Manual Mode one computer is selected to have access to the printer Selection is accomplished with a pushbutton located on the side of the switch Each time the button is pressed the switch moves from the current port to the next2. AS 8144B AS 8441B Manual file F aten manuals OEM APC Group as8 144b as8 144b html 4 In 1 Out 1 In 4 Out Reversible Bitronics Auto Switch AS 8144B AS 8441B User s Manual Read this manual thoroughly and follow the installation procedures carefully to prevent any damage to the unit and or the devices it connects to Copyright 1997 2004 Aten International Co Ltd Manual Part No PAPE 1109 100 Printed in Taiwan 05 1997 All brand names and trademarks are the registered property of their respective owners Packing Checklist a 1 x AS 8144B AS 8441B 1 x User s Manual x 3 5 Diskette AS 8144B only If anything is damaged or missing contact your dealer NOTE This equipment has been tested and found to comply with the limits for a Class A digital device pursuant to Part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a 1 of 6 11 19 04 12 15 pm AS 8144B AS 8441B Manual file F aten manuals OEM APC Group as8 144b as8 144b html commercial environment This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instruction manual may cause harmful interference to radio communications Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be requi
3. M APC Group as8 144b as8 144b html Limited Warranty IN NO EVENT SHALL THE DIRECT VENDOR S LIABILITY EXCEED THE PRICE PAID FOR THE PRODUCT FORM DIRECT INDIRECT SPECIAL INCIDENTAL OR CONSEQUENTIAL DAMAGES RESULTING FROM THE USE OF THE PRODUCT DISK OR ITS DOCUMENTATION The direct vendor makes no warranty or representation expressed implied or statutory with respect to the contents or use of this documentation and specially disclaims its quality performance merchantability or fitness for any particular purpose The direct vendor also reserves the right to revise or update device or documentation without obligation to notify any individual or entity of such revisions or update For further inquires please contact your direct vendor 6 of 6 11 19 04 12 15 pm
4. ected Port A LED A on gt Port B LED B on gt Port D LED D on Port E LED E on gt Broadcast all LEDs light then back to Port A Note Broadcast is only operational if all ports are connected to online printers The printers must be of the same model and have the bidirectional function disabled Software Selection Software to select the ports under 1 to 4 Mode is provided on the distribution diskette that came with this package You may use Hot keys under DOS or click on the AS icon under Windows See the READ ME file on the diskette for detailed information regarding installation and operation Appendix Specifications AS 8144B AS 8441B Function 1 4 4 1 4 1 Power Consumption DC 9V 50mA max Cable Length 6m 20ft max Connector Input Female 1 DB 25 4 DB 25 Connector Output Female 4 DB 25 1 DB 25 LEDs 4 Output Status 4 Input Status I P Port Selection X Auto Manual O P Port Selection Software Manual X Timeout X 15 45 sec File Transfer X Yes O P Port Selection Yes X Enclosure Plastic Weight 240g Dimensions LxWxH 175 x 96 x 31 mm 11 19 04 12 15 pm AS 8144B AS 8441B Manual file F aten manuals OEM APC Group as8 144b as8 144b html Troubleshooting 1 LED locks on a port when a cable is connected The Bitronics A
5. one in the cycle The port LEDs light to indicate which port has access Port A LED A on gt Port B LED B on gt Port D LED D on Port E LED E on gt Auto LEDs flash in turn then back to Port A Note In order to prevent data loss pressing the port selection button has no effect while a print operation is in process or before a timeout expires Auto Mode Auto Mode is invoked with the port selection pushbutton see Manual Mode above Under Auto Mode the Bitronics Auto Switch scans for print jobs on a first come first served basis The port LEDs flash in turn as each port is accessed When a print job is sensed the switch stops scanning and locks onto the port until the job is finished 11 19 04 12 15 pm AS 8144B AS 8441B Manual 4 of 6 file F aten manuals OEM APC Group as8 144b as8 144b html Once the job is done the switch returns to Auto mode and begins scanning again To exit Auto Mode press the port selection pushbutton 1 to 4 Mode AS 8144B only In 1 to 4 Mode you can either output to a a single port or broadcast to all four ports Selection is accomplished either manually or via software Manual Mode Under Manual Mode selection is accomplished with a pushbutton located on the side of the switch Each time the button is pressed the switch moves from the current port to the next one in the cycle The port LEDs light to indicate which port has access All LEDs light if Broadcast is sel
6. red to correct the interference at his own expense Overview The AS 8144B and AS 8441B are automatic Bitronics first come first served data switches They scan for print job requests from up to four computers and send data to the printer When any of the computers has access to the printer the other computers cannot send their own print jobs until the current job is finished The AS 8441B can also operate as a 1 to 4 selector allowing you to connect four parallel devices to a single computer oe a SENG Ee AS 8144B f AS 8441B ae oe i l T m S 4to 1 1to4 Features Supports IEEE 1284 nibble mode Selects ports by button and software code operation Selectable timeout 15 or 45 seconds a First come first served Non powered operation Reversible operation for 1 in 4 out or 4 in 1 out AS 8144B only Supports broadcast mode AS 8144B only Installation 4 to 1 Mode AS 8144B amp AS 8441B 1 Turn off all devices 2 Connect the Bitronics Auto Switch to the computers with DB 25 straight through male to male 2 of 6 11 19 04 12 15 pm AS 8144B AS 8441B Manual file F aten manuals OEM APC Group as8 144b as8 144b html 3 of 6 cables Connect the Bitronics Auto Switch to the printer with a DB 25 to C 36 male to male cable Set DIP switch segment 3 located on the side panel to 4 gt 1 mode Set DIP switch segment 4 for a time out of either 15 or 45
7. uto Switch receives signal glitches and starts time out counting If the connecting printer is ready just wait till the time out expires Reset the switch by turning DIP switch segment 1 ON down and then off again 2 The printer status Windows show printer not responding or cable not connected intermittently The switches do not emulate printer responses Therefore when status Windows poll for printer status at the same time these messages occur Make sure there is only one printer driver with status Window bi directional ability installed on your computer 3 Error messages show up while or after installing new printer drivers a Un install other bi directional printer status Windows before installing a new one Press the button to lock your computer to the printer before installing a new printer driver or install a new driver without the Bitronics Auto Switch Compatiblity The Bitronics Auto Switch is tested and is compatible with the following devices IOMEGA ZIP DRIVE DITTO800 DITTO2000 DITTO3200 SEAGATE TSTORE3200E SYQUEST EZFLYER SONY STORSTATION VIDEO CAPTURE GOCHA GRABIT SNAPPY QUICKCAM DIGITAL CAMERA SCANNER PAGEWIZ MICROSOLUTION BACKPACK CDROM LOGITEC AUDIOMAN PARALLEL SOUND BLASTER ADDONICS ADDONICS EXTERNAL CDROM 5 of 6 11 19 04 12 15 pm AS 8144B AS 8441B Manual file F aten manuals OE
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