User Guide
Page 59
... data blocks starting from the one in error (just block 15 in the U-1496 series is synchronous, then the hosts on the other side. 2. If the interface is 256 bytes. The maximum data block size used on techniques utilized by both LAPM (Link Access Procedure for error(s). 3. ...end of outstanding blocks without acknowledgements is 31 for block 15 is the same as MNP4 and MNP3. ARQ Error Correction with Selective Reject ZyXEL modems support V.42 error control with selective reject. The receiving modem receives the block, calculates its own CRC through 18 are resent....
... data blocks starting from the one in error (just block 15 in the U-1496 series is synchronous, then the hosts on the other side. 2. If the interface is 256 bytes. The maximum data block size used on techniques utilized by both LAPM (Link Access Procedure for error(s). 3. ...end of outstanding blocks without acknowledgements is 31 for block 15 is the same as MNP4 and MNP3. ARQ Error Correction with Selective Reject ZyXEL modems support V.42 error control with selective reject. The receiving modem receives the block, calculates its own CRC through 18 are resent....
User Guide
Page 60
...length encoding and adaptive frequency encoding techniques. In general, it can be enabled from the compressed data stream. U-1496 series modems support a dictionary size up to 100% higher and in succession, only the first three tokens (representing the compressed format of bits...generally higher than 8 bits, so random data will ruin the decompression process. The modem adaptively builds a dictionary of MNP5. U-1496 series modems support both algorithm and data dependent. The compression efficiency of V.42bis is sent. Adaptive Frequency Encoding Adaptive frequency encoding is...
...length encoding and adaptive frequency encoding techniques. In general, it can be enabled from the compressed data stream. U-1496 series modems support a dictionary size up to 100% higher and in succession, only the first three tokens (representing the compressed format of bits...generally higher than 8 bits, so random data will ruin the decompression process. The modem adaptively builds a dictionary of MNP5. U-1496 series modems support both algorithm and data dependent. The compression efficiency of V.42bis is sent. Adaptive Frequency Encoding Adaptive frequency encoding is...
User Guide
Page 61
For some controls and commands to set AT&B1 (default) `FIXED AT DTE RATE'. ZyXEL U-1496 series modems use some applications, like BBSs, where transmission of the modem controller CPU's computation power. What DTE speed is linked to recover the ...is better to make the modem optimize its performance. The DTE speed will still take time to . ADAPTIVE BLOCK SIZE Depending on how fast your application depends on the line condition, ZyXEL U-1496 series modems will disable MNP5 protocol negotiation regardless of limited processing power. DISCONNECT AT*E1 If not error control ...
For some controls and commands to set AT&B1 (default) `FIXED AT DTE RATE'. ZyXEL U-1496 series modems use some applications, like BBSs, where transmission of the modem controller CPU's computation power. What DTE speed is linked to recover the ...is better to make the modem optimize its performance. The DTE speed will still take time to . ADAPTIVE BLOCK SIZE Depending on how fast your application depends on the line condition, ZyXEL U-1496 series modems will disable MNP5 protocol negotiation regardless of limited processing power. DISCONNECT AT*E1 If not error control ...
User Guide
Page 73
...hang up. There is an optimum transmitting power in cellular data communications but not suited for portable use. Chapter Thirteen - Although all ZyXEL U-1496 series modems provide the cellular mode, the U-1496P portable modem is provided with a distant cell's radio communication using the same frequency...because the carrier is portable in North America. cellular mode - Frequency reuse is called AMPS (Advanced Mobile Phone Service) in size and capable of radio channels available. Fading will be instructed to change its radio link to perform reliable high speed data ...
...hang up. There is an optimum transmitting power in cellular data communications but not suited for portable use. Chapter Thirteen - Although all ZyXEL U-1496 series modems provide the cellular mode, the U-1496P portable modem is provided with a distant cell's radio communication using the same frequency...because the carrier is portable in North America. cellular mode - Frequency reuse is called AMPS (Advanced Mobile Phone Service) in size and capable of radio channels available. Fading will be instructed to change its radio link to perform reliable high speed data ...
User Guide
Page 103
...count of the two modems. Chars Sent Characters sent from line and sent to see the summary, as in the following sample: ZyXEL U-MODEM LINK STATUS REPORT Chars Sent 2420 Chars Received2420 Octets Sent 950 Octets Received 950 Blocks Sent 13 Blocks Received 13 Blocks Resent... 0 Max Outstanding 8 Max Block Size 256 Retrain Requested 0 Link Duration 1 Retrain Granted0 T401 Timeouts 0 T402 Timeouts 0 FCS Errors 0 Round Trip Delay 110 Xmitter Underrun 0 ...
...count of the two modems. Chars Sent Characters sent from line and sent to see the summary, as in the following sample: ZyXEL U-MODEM LINK STATUS REPORT Chars Sent 2420 Chars Received2420 Octets Sent 950 Octets Received 950 Blocks Sent 13 Blocks Received 13 Blocks Resent... 0 Max Outstanding 8 Max Block Size 256 Retrain Requested 0 Link Duration 1 Retrain Granted0 T401 Timeouts 0 T402 Timeouts 0 FCS Errors 0 Round Trip Delay 110 Xmitter Underrun 0 ...
User Guide
Page 104
...T401 and T402 are for manufacturer checking link layer operation. Round Trip Delay Octets Received Data bytes received from remote modem. Actual block size can be a bad line or protocol incompatibility. Link Duration Connection time in MNP4 or V.42. T402 will count when modem is a...bad receiving indication. Blocks Resent Number of blocks resent because of block errors. Max Outstanding Error control protocol parameter. Max Block Size Error control protocol parameter. FCS Errors Frame Check Sum Errors or number of error. T401 Timeouts and T402 Timeouts They are ...
...T401 and T402 are for manufacturer checking link layer operation. Round Trip Delay Octets Received Data bytes received from remote modem. Actual block size can be a bad line or protocol incompatibility. Link Duration Connection time in MNP4 or V.42. T402 will count when modem is a...bad receiving indication. Blocks Resent Number of blocks resent because of block errors. Max Outstanding Error control protocol parameter. Max Block Size Error control protocol parameter. FCS Errors Frame Check Sum Errors or number of error. T401 Timeouts and T402 Timeouts They are ...