SeaLevel 7402e User Manual Download Page 21

 

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© Sealevel Systems, Inc.  7402e Manual   |   SL9251  11/2022 

Warranty 

Sealevel's commitment to providing the best I/O solutions is reflected in the Lifetime Warranty that is 
standard on all Sealevel manufactured I/O products. We are able to offer this warranty due to our control 
of manufacturing quality and the historically high reliability of our products in the field. Sealevel products 
are designed and manufactured at its Liberty, South Carolina facility, allowing direct control over product 
development, production, burn-in and testing. Sealevel achieved ISO-9001:2015 certification in 2018. 

Warranty Policy 

Sealevel Systems, Inc. (hereafter "Sealevel") warrants that the Product shall conform to and perform in 
accordance with published technical specifications and shall be free of defects in materials and 
workmanship for the warranty period. In the event of failure, Sealevel will repair or replace the product at 
Sealevel's sole discretion. Failures resulting from misapplication or misuse of the Product, failure to adhere 
to any specifications or instructions, or failure resulting from neglect, abuse, accidents, or acts of nature 
are not covered under this warranty.  

Warranty service may be obtained by delivering the Product to Sealevel and providing proof of purchase. 
Customer agrees to ensure the Product or assume the risk of loss or damage in transit, to prepay shipping 
charges to Sealevel, and to use the original shipping container or equivalent. Warranty is valid only for 
original purchaser and is not transferable.  

This warranty applies to  Sealevel manufactured Product. Product purchased through Sealevel but 
manufactured by a third party will retain the original manufacturer's warranty.  

Non-Warranty Repair/Retest

 

Products returned due to damage or misuse and Products retested with no problem found are subject to 
repair/retest charges. A purchase order or credit card number and authorization must be provided in order 
to obtain an RMA (Return Merchandise Authorization) number prior to returning Product.  

How to obtain an RMA (Return Merchandise Authorization) 

If you need to return a product for warranty or non-warranty repair, you must first obtain an RMA number. 
Please contact Sealevel Systems, Inc. Technical Support for assistance: 

Available  

Monday – Friday, 8:00AM to 5:00PM EST 

Phone   

864-843-4343  

Email 

 

[email protected]

 

Trademarks 

Sealevel Systems, Incorporated acknowledges that all trademarks referenced in this manual are the service 
mark, trademark, or registered trademark of the respective company.  

Summary of Contents for 7402e

Page 1: ...1 Sealevel Systems Inc 7402e Manual SL9251 11 2022 COMM 4 422 PCIe User Manual 7402e and 7402eS...

Page 2: ...D 5 HARDWARE DESCRIPTION 7 HARDWARE CONFIGURATION 8 SOFTWARE INSTALLATION 11 TECHNICAL DESCRIPTION 13 SPECIFICATIONS 15 APPENDIX A TROUBLESHOOTING 16 APPENDIX B HANDLING INSTRUCTIONS 17 APPENDIX C ELE...

Page 3: ...to your application In RS 485 mode the transmitter is automatically enabled in hardware eliminating the need for application software control This allows the 7402e to be used with standard serial com...

Page 4: ...4 Sealevel Systems Inc 7402e Manual SL9251 11 2022...

Page 5: ...xpress Board with Standard Height PC Bracket CA200 DB44 Male to 4 DB9 Male Cable Advisory Conventions Warning The highest level of importance used to stress a condition where damage could result to th...

Page 6: ...ial Cable Item CA176 DB9 Female RS 422 to DB25 Male RS 530 Cable 10 in Length DB9 to DB25 Serial Cable Item CA177 DB9 Female to DB25 Male Standard RS 232 Modem Cable 72 inch Length DB9 Serial Extensio...

Page 7: ...CI Express slot It is available in standard height PCI Express as item 7402eS DB44F Board Connector The board integrates a DB44 female connector for interfacing the four serial ports via the included...

Page 8: ...clock divisor to provide a wide range of possible baud rates Note that there are many combinations that can give the same result e g Prescaler 1 and Divisor 8 Prescaler 2 and Divisor 4 or Prescaler 8...

Page 9: ...n of the interface If multiple COMM 4 422 PCIe adapters are configured in an RS 485 network only the boards on each end should have switches T P P ON Refer to the following table for each position s o...

Page 10: ...10 Sealevel Systems Inc 7402e Manual SL9251 11 2022 Figure 1 RS 422 Mode Figure 2 RS 485 two wire with Echo Figure 3 RS 485 two wire No Echo 1 2 3 4 5 6 7 ON 1 2 3 4 5 6 7 ON 1 2 3 4 5 6 7 ON...

Page 11: ...ear with text similar to The publisher cannot be determined due to the problems below Authenticode signature not found Please click the Yes button and proceed with the installation This declaration si...

Page 12: ...e installation of the adapter and associate it with the newly installed SeaCOM driver Linux Installation You MUST have root privileges to install the software and drivers The syntax is case sensitive...

Page 13: ...eceive FIFOs The UARTs are register compatible with 16C450 16C550 16C654 and 16C750 UARTs The FIFO depth can be changed to match the depth of these UARTs RS 422 485 CA 200 DB 9 Connector Pin Assignmen...

Page 14: ...20 23 27 TX 32 36 40 43 RTS 31 35 39 42 RX 3 7 11 15 CTS 33 37 41 44 GND 17 21 24 28 The RTS output is only available in RS 422 mode The RTS output is tri stated in RS 485 mode and therefore unusable...

Page 15: ...0 to 105 C 58 to 221 F Humidity Range 10 to 90 R H Non Condensing 10 to 90 R H Non Condensing Manufacturing All Sealevel Systems Printed Circuit boards are built to UL 94V0 rating and are 100 electric...

Page 16: ...r help in choosing an I O address and IRQ 4 Make sure the Sealevel Systems adapter is securely installed in a motherboard slot 5 If you are utilizing an operating system prior to Windows 7 please cont...

Page 17: ...statically sensitive components in protective packaging or on anti static mats Grounding Methods The following measures help to avoid electrostatic damages to the device Cover workstations with approv...

Page 18: ...g 4000 feet long RS 422 also defines driver and receiver electrical characteristics that will allow 1 driver and up to 32 receivers on the line at once RS 422 signal levels range from 0 to 5 volts RS...

Page 19: ...fined number of stop bits usually 1 1 5 or 2 An extra bit used for error detection is often appended before the stop bits Figure 4 Asynchronous Communications Bit Diagram This special bit is called th...

Page 20: ...20 Sealevel Systems Inc 7402e Manual SL9251 11 2022 Appendix E Mechanical Drawing...

Page 21: ...nty Warranty service may be obtained by delivering the Product to Sealevel and providing proof of purchase Customer agrees to ensure the Product or assume the risk of loss or damage in transit to prep...

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