Blog - Page 67 - Sealevel Systems, Inc

What CRC-CCITT value is used by Sealevel synchronous serial adapters with the Zilog Z16C32?

Dec 29th 2010

The CRC-CCITT polynomial value used in the Zilog Z16C32 is:x16 + x12 + x5 + 1The corresponding hexadecimal value is 0x1021. … View More

What is a CRC in synchronous serial communications?

Dec 29th 2010

The Cyclic Redundancy Check (CRC) is a check value used to detect transmission errors in a frame or block of data. The transmitter encodes the calculated CRC … View More

Data Acquisition Modules Offer Open-Collector Outputs and Optically Isolated Inputs for Distributed

Nov 18th 2010

Sealevel Systems Inc., announces two additions to the popular SeaI/O family of modular I/O — the SeaI/O-530 and SeaI/O-540 digital I/O modules. Offering … View More

EPS-Tech of Israel Joins SeaPARTNER Network

Posted by James Priest on Nov 17th 2010

After a successful visit to Israel earlier this year, we are excited to announce a new partnership in that territory. After assessing our options, we are pleas … View More

How to Switch Highly Inductive Loads Using Digital I/O

Nov 16th 2010

Application Example:Highly inductive loads, those that use magnetic fields such as DC motors, produce a surge of voltage (referred to as “blowback voltage&rd … View More

Is synchronous mode the only mode that can use a BERT pattern?

Oct 30th 2010

Section 2.5 of the ITU O.151 document basically states that a pattern can be encapsulated by the framing bits of a protocol, if necessary. Therefore, the BE … View More

What kind of output is best for controlling the power to a DC motor?

Oct 30th 2010

Open-collector outputs with circuit protection are the best choice for controlling power to devices with highly inductive loads such as DC motors, solenoids, and hi … View More

Manual: Relio R5200

Oct 16th 2010

Downloads: R5200 User Manual Size: 4.86 MB Type: pdf Product Manual for Sealevel Model Relio R5200 in PDF Format. … View More

Meet RECAB at the Embedded Conference in Stockholm

Posted by James Priest on Oct 14th 2010

RECAB is participating in the Embedded Conference in Scandinavia (ECS) in Stockholm, Sweden on October 19-20. This will be the fifth consecutive year of the two-day … View More

CEO and President Wins Entrepreneur Award from SIBF

Posted by Amanda Brock on Oct 8th 2010

Tom O’Hanlan, Sealevel’s CEO and president, was awarded the Allan J. McDonald Award for his outstanding international entrepreneurial effort by the Socie … View More

O’Hanlan Receives Entrepreneur Award from International Business Organization

Oct 7th 2010

Thomas B. (Tom) O’Hanlan, president and CEO of Sealevel Systems, Inc., was awarded the Allan J. McDonald Award from the Society for International Business Fell … View More

How will my Sealevel synchronous serial adapter appear in Windows Device Manager?

Oct 2nd 2010

In Windows Device Manager, Sealevel synchronous serial adapters will install under the “SeaMAC Device” category. The device names for Sealevel synchronou … View More

Ethernet to RS-232 – RF Base Station Interface

Oct 2nd 2010

OverviewA new customer, who makes communication equipment for the public safety sector, had relied on a competing Ethernet to RS-232 serial server for a number of ye … View More

Matlog of France Joins SeaPARTNER Network

Oct 2nd 2010

Matlog, a leading distributor of embedded and industrial computing solutions in Angers, France, has been chosen to strengthen Sealevel’s presence in France thr … View More

Why does my Sealevel synchronous adapter not show up as a COM port?

Oct 1st 2010

Sealevel synchronous serial adapters enumerate as SeaMAC devices in Windows. Since the devices are zero-indexed, the first installed port will be “SeaMAC0&rd … View More

Interoperable Emergency Communications Systems Will Save Lives

Posted by Earle Foster on Sep 15th 2010

After the collapse of the South Tower of the World Trade Center on the morning of September 11, 2001, police in helicopters radioed warnings that the North Tower was … View More

Sealevel’s Commitment to Green Grows

Posted by Tony Roessler on Sep 14th 2010

At Sealevel, we try hard to do our part for the environment. Whether through internal eco-audits or RoHS and WEEE compliance, we work to lower our carbon footprint. … View More

Why don’t standard asynchronous serial adapters support 9-bit protocols?

Sep 1st 2010

Applications that require 9-bit protocols are rare so the chips that support them are more expensive than standard 8-bit UARTs. Most 8-bit UARTs can simula … View More

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What CRC-CCITT value is used by Sealevel synchronous serial adapters with the Zilog Z16C32?

What is a CRC in synchronous serial communications?

Data Acquisition Modules Offer Open-Collector Outputs and Optically Isolated Inputs for Distributed

EPS-Tech of Israel Joins SeaPARTNER Network

How to Switch Highly Inductive Loads Using Digital I/O

Is synchronous mode the only mode that can use a BERT pattern?

What kind of output is best for controlling the power to a DC motor?

Manual: Relio R5200

Meet RECAB at the Embedded Conference in Stockholm

CEO and President Wins Entrepreneur Award from SIBF

O’Hanlan Receives Entrepreneur Award from International Business Organization

How will my Sealevel synchronous serial adapter appear in Windows Device Manager?

Ethernet to RS-232 – RF Base Station Interface

Matlog of France Joins SeaPARTNER Network

Why does my Sealevel synchronous adapter not show up as a COM port?

Interoperable Emergency Communications Systems Will Save Lives

Sealevel’s Commitment to Green Grows

Why don’t standard asynchronous serial adapters support 9-bit protocols?

Your Cart

Resource Center

Browse Categories

Resources

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