| Servant according to ISO/OSI |
bitsynchronous layer 1 protocol |
| Transmission Protocol |
SDLC (HDLC Frame-Level) |
| Character Size |
8 Bit fix |
| Baud Rate |
50 ... 19.200 Bit/s at RS232
1 MBit/s at V.11/X.27 interfaces (baud rate can be increased to 2 MBit/s on demand) |
| Transmission Mode |
bitsynchronous |
| Clock Pulse |
external/internal clock pulse |
| Receiving/Sending Clock Pulse |
can be selected separately |
| Coding |
NRZ/NRZI |
| Frame Size |
128 - 1024 Byte |
| Time Control for Transmitter |
internal handling according to data length |
| Time Control for Receiver |
20 ms - 60 s |
| Special Services |
- Framing for transmit/receive jobs
- CREDITS for 1...255 Frames/Blocks or continuous, permanent reception.
- Support of modem signal lines.
|
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分析和测试工具
帧是一个面向位的标准协议，用来同步PC和数据终端之间