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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 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 of the following

measures:

1. Reorient the reveiving antenna.

2. Relocate the computer with respect to the receiver.

3. Move the computer away from the receiver.

4. 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

If necessary, the user should consult the dealer or an experienced

radio/television technician for additional suggestions.

User’s Manual 19

Содержание AS-411P

Страница 1: ...A S 2 AUTO SWITCH AS 411P AS 811P AS 411S AS 811S User s Manual 0 Copyright 1990 ATENB International CO LTD Manual part NO PAPE 0092 200...

Страница 2: ...T l An AS P any one of AS 41 1 P AS 41 1 S AS 81 1 P AS 81 1 S l The Power Adapter spec depends on the following product model the power adapter supports AS 81 1 P model only Model Spec AS 411P 1 NONE...

Страница 3: ...ON 2 l Installation Procedure 7 2 2 DIP Switch Setting 11 2 3 As Buffer Card Installation 13 POWER ON PROCEDURE 3 l Power On Procedure 15 3 2 Auto Switching Mode 15 3 3 Manual Switching Mode 16 APPEND...

Страница 4: ...exactly the same way as the conventional data switch There are four models AS 41 1 P AS 41 1S AS 81 1 P and AS 81 1 S all belong to the AS 2 auto switch products These differences can be quickly under...

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Страница 7: ...NTRONICS 1 CENTRONICS Input Status 4 8 LED Printer Ready 1 1 Manual 1 1 Buffer Care Extended 256K 1 M 2M Bytes Input Arbitration Function Key Input Port Selection Time out Selection Auto From Feed Fir...

Страница 8: ...RS 232C DTE 1 Input Status I 4 I 8 LED Power Manual Input Arbitration 1 1 1 1 First Come First Serve Function Key Manual Select input Port Selection Auto or Manual Time out Selection Operation Temp St...

Страница 9: ...6 meters 1 P the cable length is limited to l For models of AS 41 1 S and AS 81 1 S the cable length is limited to no more than 15 meters l The Input Ports and the Output Ports are constantly configur...

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Страница 16: ...es 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 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 Pus...

Страница 17: ...INSTALLATION AS 2 Auto Switch Fig 2 3 2 The AS 81 1 P s Buffer Card Installation 14 User s Manual...

Страница 18: ...ng 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 If any input c...

Страница 19: ...user can force the AS 2 to switch to and service another input channel 3 3 MANUAL SWITCHING MODE 1 2 3 Press the SELECT button on the left side of the front panel to see the corresponding LED comes o...

Страница 20: ...ck if PRINTER is turned ON or not 4 Check if paper for PRINTER is well prepared 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 acc...

Страница 21: ...APPENDIX B CENTRONICS INTERFACE TIMING CHART Centronics Interface Timing Chart I DATA I I I I 1 ACK _____ ___ ______________ min 18 User s Manual...

Страница 22: ...d 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...

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