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Contents 

 
The Intelligent RS-485 and RS-422 Adaptors ........................................1 
Front Panel Indicators.............................................................................1 
RS-485 and RS-422 Cabling ..................................................................2 
Cable Termination ..................................................................................3 
Power Supplies .......................................................................................4 
Network Expansion ................................................................................5 
The Main Cabling Points Again! ............................................................5 
Technical Information ............................................................................6 
RS-232 Connector ..................................................................................6 
RS-485 Connector ..................................................................................6 
RS-422 Connector ..................................................................................7 
RJ-45 Connector .....................................................................................7 
Jumper Options.......................................................................................8 
Warranty .................................................................................................9 
Year 2000 Statement ..............................................................................9 
EMC Statement ......................................................................................9 

 

Содержание Intelligent RS-422

Страница 1: ...rocomputers 14 Business Park Drive Notting Hill Victoria 3168 Australia Telephone 03 9578 7600 FAX 03 9578 7727 email solutions asp com au World Wide Web http www asp com au ASP Microcomputers is a di...

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Страница 3: ...S 485 and RS 422 Cabling 2 Cable Termination 3 Power Supplies 4 Network Expansion 5 The Main Cabling Points Again 5 Technical Information 6 RS 232 Connector 6 RS 485 Connector 6 RS 422 Connector 7 RJ...

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Страница 5: ...ocol to communicate with to the PC with the PC being the master Because RS 422 uses a separate pair of wires for data in each direction the Intelligent RS 422 adaptor is always able to both send and r...

Страница 6: ...minal Networked Portable BCR WandNet ASP RS 422 and RS 485 networks must be wired using a single run of shielded twisted pair cable daisy chained to each unit The cable must be looped to each unit in...

Страница 7: ...ch contain two or three twisted pairs of wires respectively are available in 100 metre and 500 metre rolls from A G Garlands Co Pty Ltd in Melbourne phone 03 9543 6411 with offices in other states Oth...

Страница 8: ...S cable for RS 485 installations and MCP 3S cable for RS 422 installations provides for a spare pair of wires In some installations it will be possible to use this spare pair to provide power over the...

Страница 9: ...erial ports Remember that each section of the network can be up to 1200 metres long and can support up to 31 units Although we have had some users connect more than 31 units together in a single netwo...

Страница 10: ...nt to make your own cable Pin Function DB 25 on PC DB 9 on PC 2 Data from PC 2 3 3 Data to PC 3 2 7 Signal Ground 7 5 Note that the Intelligent RS 485 and RS 422 Adaptors use only the transmit and rec...

Страница 11: ...Supply ve RJ 45 Connector The Intelligent RS 485 and RS 422 Adaptors also provide for the use of Category 3 or Category 5 twisted pair cable via an RJ 45 socket on the front panel This connector is wi...

Страница 12: ...RS 485 adaptor the RS 422 adaptor uses the same physical PCB but with different components fitted Jumper 1 if fitted connects unregulated DC voltage from the plug pack powering the Adaptor to the RS 4...

Страница 13: ...will be paid by ASP in the case of warranty repairs ASP welcomes suggestions for improvements to our products and documentation Year 2000 Statement The Intelligent RS 485 and RS 422 Adaptors are hard...

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