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© Sealevel Systems, Inc.  7803e Manual   |   SL9250  11/2022 

Linux Installation 

You MUST have “root” privileges to install the software and drivers. 

The syntax is case sensitive. 

SeaCOM for Linux can be downloaded here: 

https://www.sealevel.com/support/software-seacom-linux/

It includes the 

README

 and the 

Serial-HOWTO

 help files (located at seacom/dox/howto). This series of 

files both explains typical Linux serial implementations and informs the user about Linux syntax and 
preferred practices.  

User can use a program such as 7-Zip to extract the tar.gz file. 

In addition, the software selectable interface settings can be accessed by referencing 

seacom/utilities/7803emode.

 

For additional software support, including QNX, please call Sealevel Systems’ Technical Support, (864) 843-
4343. Our technical support is free and available from 8:00 AM - 5:00 PM Eastern Time, Monday through 
Friday. For email support contact: 

[email protected]

. 

 

Linux Support  

The 7803e is supported natively in Linux kernels 2.6.28 and later. 

For additional software support, please call Sealevel Systems’ Technical Support, (864) 843-4343. Our 
technical support is free and available from 8:00 AM - 5:00 PM Eastern Time, Monday through Friday. For 
email support contact: 

[email protected]

. 

 

 

 

Summary of Contents for ULTRA COMM+8.PCIe

Page 1: ...1 Sealevel Systems Inc 7803e Manual SL9250 11 2022 COMM 8 PCIe User Manual 7803e...

Page 2: ...STALLATION 8 Windows Installation 8 Linux Installation 9 Upgrading to the Current SeaCOM Driver 10 Linux Support 10 TECHNICAL DESCRIPTION 11 RS 232 CA 202 DB 25 CONNECTOR PIN ASSIGNMENTS 11 RS 232 68...

Page 3: ...s modems data entry terminals and plotters The COMM 8 PCIe will operate on x1 x4 x8 or x16 PCIe bus slots Features OXPCIe958 buffered UART with 128 byte FIFOs Oscillator and clock prescaler support wi...

Page 4: ...andard Height PC Bracket CA202 68 pin to 8 DB25 Male Cable Advisory Conventions Warning The highest level of importance used to stress a condition where damage could result to the product or the user...

Page 5: ...y to find one or more of the following items useful with the COMM 8 PCIe All items can be purchased from our website www sealevel com by calling our sales team at 864 843 4343 Terminal Block Kit Item...

Page 6: ...xpress slot It is available in standard height PCI Express as item 7803eS 68 PIN Board Connector The board integrates a 68 pin female connector for interfacing the eight serial ports via the included...

Page 7: ...ck 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 and...

Page 8: ...rmation presented on the screens that follow 5 A screen may appear with text similar to The publisher cannot be determined due to the problems below Authenticode signature not found Please click the Y...

Page 9: ...to extract the tar gz file In addition the software selectable interface settings can be accessed by referencing seacom utilities 7803emode For additional software support including QNX please call S...

Page 10: ...Remove Programs list In Vista and newer OSs it will be found in the Programs and Features list 3 Navigate to the Device Manager and remove the Sealevel adapter by right clicking on the line item choo...

Page 11: ...n be changed to match the depth of these UARTs RS 232 CA 202 DB 25 CONNECTOR PIN ASSIGNMENTS Signal Name Pin Mode GND Ground 7 TD Transmit Data 2 Output RTS Request To Send 4 Output DTR Data Terminal...

Page 12: ...IN Port 1 2 3 4 5 6 7 8 TD 1 9 19 27 35 43 53 61 RD 2 10 20 28 36 44 54 62 RTS 3 11 21 29 37 45 55 63 CTS 4 12 22 30 38 46 56 64 DTR 5 13 23 31 39 46 57 65 DSR 6 14 24 32 40 48 58 66 DCD 7 15 25 33 41...

Page 13: ...58 F 50 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 el...

Page 14: ...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 15: ...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 16: ...al Equipment and Data Circuit Terminating Equipment Employing Serial Binary Data Interchange Both implementations are in widespread use and will be referred to as RS 232 in this document RS 232 is cap...

Page 17: ...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 1 Asynchronous Communications Bit Diagram This special bit is called th...

Page 18: ...18 Sealevel Systems Inc 7803e Manual SL9250 11 2022 Appendix E Mechanical Drawing...

Page 19: ...d to correct the interference at the user s expense EMC Directive Statement Products bearing the CE Label fulfill the requirements of the EMC directive 89 336 EEC and of the low voltage directive 73 2...

Page 20: ...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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