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B&B Electronics manual Documentation Number 485T1995 Manual, Ph, FAX 815

Models: 485T

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Documentation Number 485T1995 Manual	3
B&B Electronics -- PO Box 1040 -- Ottawa, IL 61350
PH (815) 433-5100 --	FAX (815) 433-5105

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B&B Electronics manual Documentation Number 485T1995 Manual, B&B Electronics -- PO Box 1040 -- Ottawa, IL, Ph, FAX 815

Contents

Not Recommended for New Installations InternetRS-422/RS-485 Line Tester B&B Electronics Mfg. Co. IncTABLE OF CONTENTS CONTROLS AND CONNECTIONS ON THE 485TPOWER Documentation Number 485T1995 ManualTable of ContentsFAX 815 INTRODUCTIONRS-422 AND RS-485 STANDARDS ELECTRONICS INDUSTRIES ASSOCIATION Phone 202 457-4900 --- FAX 202B&B Electronics -- PO Box 1040 -- Ottawa, IL Documentation Number 485T1995 ManualPH FAX 815PH 815 433-5100 -- FAX 815 4Documentation Number 485T1995 ManualB&B Electronics -- PO Box 1040 -- Ottawa, IL B&B Electronics -- PO Box 1040 -- Ottawa, IL Documentation Number 485T1995 ManualPH 815 FAX 815CONTROLS AND CONNECTIONS ON THE 485T A and B TerminalsGround Terminal Negative Threshold Exceeded LED Threshold PotPositive Threshold Exceeded LED Termination Switch RS-422/RS-485 SwitchPower RS-232 Data Out ConnectorRS-422/485 TEST 10Documentation Number 485T1995 Manual You can then use the 485T Tester to monitor the data that is being sent or received on your network. If you have a datascope or a computer running a datascope-like program you can connect it to the RS-232 DATA OUT connector on the 485T. A typical program would be BreakOut II which is available from B & B Electronics. The RS-232 DATA OUT connector is wired as a DTE with data output on pin 2. Pin 4 is connected to pin 5 and pin 6 is connected to pins 8 and 20 for handshake loopback. Pin 7 is ground and there is no connection to pin PH 815 433-5100 -- FAX 815 12Documentation Number 485T1995 ManualB&B Electronics -- PO Box 1040 -- Ottawa, IL