W&T Centronics/Centronics
Contents
1. The computer side interface converts the parallel data into serial RS422 format whereas the printer side converts the data back into parallel format Pressing the Reset key on the keyboard of the computer side device while running resets that device Subject to error and alteration W amp T Centronics Line Driver Set Both interfaces are connected via a four conductor twisted pair shielded cable This cable is configured as shown in the following diagram Serial Line Driver Cable RS422 DB25 female RS422 DB25 male Computer Side Printer Side 1 o Pta o0 22 0o Paat om 17 Handshake 17 18 Handshake 18 14 GND opt 14 shel shell Should a problem arise first check whether the printer functions without the Centronics Line Driver Set by connecting the computer to the printer directly using a short cable To rule out any possible mistakes in the wiring you can also connect the computer side interface directly to tne printer side interface for test purposes which allows you to check the Centronics Line Driver Set wihtout the serial cable If the configuration works without the communication line then recheck for correct cable wiring using the above diagram Technical Data Insulation min 500 V Transmission rate 8 kcps maximu distance 1000m Power sup ply 2 AC adaptors included Input 36 pole Centronic female Output 36 pin Centronics male receiver module can be plugged direct2. W amp T Centronics Line Driver Set Manual Centronics Line Driver Set W amp T tee Pii Release 1 0 Subject to error and alteration W amp T Centronics Line Driver Set 08 2004 by Wiesemann amp Theis GmbH Subject to error and alteration Since it is possible that we make mistakes you mustn t use any of our statements without verification Please inform us of any error or misunderstanding you come about so we can identify and eliminate it as soon as possible Carry out your work on or with W amp T products only to the ex tent that they are described here and after you have completely read and understood the manual or guide We are not liable for unauthorized repairs or tampering When in doubt check first with us or with your dealer W amp T Centronics Line Driver Set Centronics Line Driver Set The Centronics Line Driver Set 20001 permits unidirectional communication with a peripheral having a parallel interface over a distance of up to 1000 meters The line driver also provides galvanic isolation up to 500 volts between the connected devices Function The line driver consists of two individual converters which must be powered by the power supplies included in the scope of delivery ane Cia PC L RS422 LH 20001 Printer Side 20001 Computer Side
3. ly into the printer Housing Plastic enclosure 124x74x21mm Plastic enclosure 75x61x20 mm Weight approx 750 g incl power supplies Scope of delivery 1x Centronics Line Driver Set 2x AC adaptors for office use
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