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1 Can I use Sealevel synchronous serial adapters with Linux?

Sealevel SeaMAC software is used to enable Linux support for products which feature the Zilog® Z85230 Enhanced Serial Communications Controller (ESCC). Our Route56 software package should be used to enable Linux support for products that feature the Zilog®…

2 Can the BERT pattern be used at data rates above 14.4 Kbps?

The ITU document O.153 paragraph 2.1 indicates the BERT pattern can be used at data rates up to 14.4 Kbps. However, the Sealevel WinSSD utility allows the BERT pattern to be used at all available data rates and supported communication modes, including those…

3 Does Sealevel provide source code samples for use with SeaMAC V5?

SeaMAC V5 automatically installs application samples with source code in the 'Samples' subdirectory. In Microsoft Windows 7, Vista, XP and 2000 operating systems, samples are located on your hard drive under C:\Program Files\SeaMAC V5\Samples\.

4 How can I verify that my synchronous serial card is working?

Sealevel provides WinSSD, a helpful software utility that allows easy verification your synchronous card is working properly. After you install the SeaMAC V5 synchronous software driver onto your system, WinSSD will be located in the SeaMAC folder in the…

5 How do I access a Sealevel synchronous serial adapter from my software application?

Sealevel provides a synchronous serial driver, SeaMAC V5, to interface our synchronous serial adapters to your computer. No additional DLL or library files are necessary for basic operation. For advanced configuration, status and control features, use the…

6 How do I configure a synchronous serial PCIe or PCI card for loopback testing under Windows?

The WinSSD utility of SeaMAC for Windows gives you access to all the communication options of Sealevel PCIe and PCI synchronous serial cards necessary to create a loopback test. This includes many options you can combine for a valid communication configuration,…

7 How do Sealevel synchronous serial adapters handle Manchester clock encoded data?

Manchester clock encoding (also known as split phase or bi-phase level encoding) always produces a transition at the center of the bit cell. Sealevel synchronous serial adapters with the Zilog Z85230 chipset family can receive Manchester encoded data, but…

8 How do you transmit a continuous stream of synchronous serial data without any "idle time"?

Sealevel synchronous serial adapters are capable of a constant output stream if the application program can provide a constant stream of serial data. If you are using either blocking (normal) I/O or overlapped I/O with only one write active at a time, then…

9 How does the SeaMAC Configuration Utility help me develop a new application that uses the SeaMAC for Windows API?

The SeaMAC Configuration Utility lets you easily configure a Sealevel synchronous serial port to the communication options you select. By using the utility to change port options rather than by selecting options within your application code, you can quickly…

10 How is the memory accessed on the 3514 and the 5104 synchronous serial adapters?

The Zilog 16C32-based 3514 and 5104 have 256 K of memory on the adapters that are used for buffering the input and output data. To aid in transfer efficiency, the Windows SeaMAC V5 driver conducts 32-bit transfers from the adapters’ memory to the system…

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