Northern UTA220/UTA220k Softload, where filename is the name of the softload file to display

Softload

2.To be sure that the software in the file is correct, display the file on the host computer (be careful not to modify it). At the top of each file is a header (ASCII format) containing the product and version information for the softload file. If the host is a PC-compatible, the easiest way to do this is to enter: TYPE filename

where filename is the name of the softload file to display.

3.Load the file to be downloaded to the TA onto the host computer hard disk before downloading (this significantly decreases the download time).

4.Connect the PC to any of the TA’s DTE port(s). Begin executing the communications software package on the host.

5.Configure the host software for: 19200 bps full-duplex asynchronous operation, 8-bit characters with no parity, and RTS/CTS flow control of the DTE.

6.Using the terminal emulation mode on the host, send an AT command to the TA. The TA should respond with OK.

7.Configure the TA for RTS/CTS flow control, using either the keypad on the front panel or the AT&K3 command.

8.Check the version numbers of the current software on the TA to verify that it is to be downloaded into the correct alternate set. Enter AT$Q. The TA should respond with the version codes for both the active and alternate set.

9.Initiate Softload. Enter the AT$Y=x (where x is the softload password). The TA responds with either ERROR (if the password is invalid) or the softload method banner (SOFTLOAD YGMS-1). This banner identifies the download method and file format. The TA then begins to erase the Flash memory for the alternate set so that the new software can be downloaded.

10.When the erase is complete, the TA returns YModem-G initiation characters (G). This indicates that the TA is ready to receive the YModem-G frames containing the new software.

11.Initiate the YModem-G file upload mode on the host computer. Upload only the “.SL” file to the TA; do not attempt to send any other type of file. The transfer takes approximately 3.5 minutes at 19200 bps.

12.If any errors are encountered during the file transfer attempt, set the host back up for the terminal emulation mode and enter ATS59? to display the softload error code.

13.After the YModem-G file transfer is complete, the TA verifies the new software. This takes about 10 seconds. If the software has been transferred and programmed correctly, the TA returns an OK message to the DTE; otherwise it returns

ERROR.

UTA220/UTA220k 13-9