Sealevel Systems, Inc. introduces the new COMM+4.PCIe serial interface, which delivers the ultimate flexibility for expanding serial communications in a variety of t
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Resource Center
New Four Port Serial Interface Adds RS-232/422/485 Ports to PCI Express Bus
Posted by Amanda Brock on Sep 22nd 2011
PRODUCT HIGHLIGHTSEach port individually configurable for RS-232, RS-422, or RS-48516C954 buffered UARTs with 128-byte FIFOsEach port supports data rates to
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Why Chuck Leavell Matters to Sealevel
Posted by Tom O'Hanlan on Sep 21st 2011
I often get asked why we have associated our business with rock and roller, environmentalist, and great guy, Chuck Leavell. You have to understand the culture
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Clemson University – Not Your Average Football Program
Posted by Amanda Brock on Sep 1st 2011
As we say our final goodbyes to summer and autumn brings with it cooler temps, changing leaves and a new school year, we have begun to prepare ourselves for another
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Microsoft Windows maintains the configuration (enumeration) information for every USB device that has ever been connected, unless you explicitly uninstalled th
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How should unused analog inputs be handled?
Sep 1st 2011
Non-connected analog inputs should always be connected to the analog ground or common reference terminal. This eliminates phantom readings on all unuse
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Sealevel Systems, Inc. introduces a smaller RISC embedded computer — the Compact SBC-R9-2100 ARM9 RISC single board computer. The SBC-R9-2100 is an application
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SBC-R9-2100 Compact RISC Embedded Single Board Computing
Posted by Amanda Brock on Aug 9th 2011
We’re happy to introduce the newest member of our RISC embedded computing family: the Compact SBC-R9-2100 ARM9 RISC single board computer. The SBC-R9-2100 is a
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Ben O’Hanlan Is New President Of Sealevel
Posted by Amanda Brock on Aug 4th 2011
During our 25th anniversary celebration, our founder and CEO, Tom O’Hanlan, announced Ben O’Hanlan as the company’s new president. Ben has served a
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Sealevel SeaLINK Ethernet serial servers support a 2-byte format to marshal 9-bit serial data between the host computer and the serial server. The least signif
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How do SeaLINK Ethernet serial servers transmit modem control signals in serial tunneling mode?
Jul 30th 2011
SeaLINK Ethernet serial servers use RFC-2217, the Telnet COM port control protocol, to transmit modem control signals in serial tunneling mode. Since S
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Sealevel Systems. Inc. introduces the DIO-16-LPCIe low profile PCI Express digital I/O interface adapter. The DIO-16-LPCIe provides 8 optically isolated inputs a
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New Low Profile PCIe Board Adds Digital Inputs & Outputs
Posted by Amanda Brock on Jul 28th 2011
Introducing the newest DIO-16-LPCIe low profile PCI Express digital I/O interface adapter. The DIO-16-LPCIe provides 8 optically isolated inputs and 8 Reed rela
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Sealevel Celebrates 25 Years of Connectivity and Control
Jul 28th 2011
Sealevel Systems, Inc., proudly celebrated 25 years of innovative, reliable hardware and software products to enable computer connectivity and control with a day-lon
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Manual: 7804e
Jun 28th 2011
Article Specifications:
Latest Update: November 10, 2016
Related Models: 7804e
Product Manual for Sealevel Model 7804e (PDF).
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In The Beginning
Posted by Susan O'Hanlan on Jun 20th 2011
1986 was an amazing year for our family, a year of big adjustments and changes. Tom was working for Adams Incorporated, a textile equipment manufacturer. I launched
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New PCI Express Serial Interface Adds Eight RS-232/422/485 Ports
Posted by Earle Foster on Jun 15th 2011
In June, we launched our new Ultra COMM+8.PCIE serial interface, which delivers the ultimate flexibility for expanding serial communications in a variety of test and
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Sealevel Systems, Inc. introduces the new Ultra COMM+8.PCIE serial interface, which delivers the ultimate flexibility for expanding serial communications in a variet
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