Table of Contents
Advertisement
HSS-730/830 & UFD505/515 SERVICE MANUAL
3.4. Software Download
The resident software boots up the STB, downloads the entire new software as needed, and tests the
hardware integrity of the STB. These software modules are stored in non-volatile memory so that
these should not be erased during a power outrage or other catastrophic events.
3.4.1. RS-232 Cable Configuration
STB
3.4.2. Software Download with Serial Link Cable form PC
As the STB boots up, the download module is the first to run. It starts by waiting for receipt of an
acknowledgement message on the serial interface indicating that the download is to be performed.
If this message is received within a given second, the module is waiting for commands from the
host PC.
This download module loads an entire STB software image into the STB via the serial interface.
The software image is downloaded into the RAM for verification and then is written to FLASH.
When the module completes a download, it resets and restarted the STB automatically.
Procedure to download the software
First, connect the serial link cable between the PC and STB and make sure that the STB is in the standby or
power off mode.
①
Execute download program (dn.exe), select correct directory and file in your PC
Download file have two types, one is main program, other is channel data.
②
Select correct serial port and command type ('Download' is default).
③
Click button 'Execute' then the data is transferred from PC to the STB via the serial interface. Turn on the
STB power.
④
The STB will display 'SUCC' when the download is complete.
2
RS-232 Port
3
5
Female
HDT DVB SATELLITE STB
2
RS-232 Port
3
5
Female
PC
Page
12
Advertisement
Table of Contents
