Paradise P300 specifications Boot Code Operation, Flash Software Update

10 BOOT CODE OPERATION

10.1FLASH SOFTWARE UPDATE

The Modem software is contained in a FLASH EPROM, and can be updated without opening the equipment through the serial port on the Async ESC connector. It is not even necessary to remove the equipment from the rack BUT it is necessary to route the traffic via another modem, as loading the software requires a processor reset and will affect the traffic.

To access the `Boot Menu`, power the unit up whilst holding in the `MAIN` key, and the following menu will be displayed:

Serial Flash Update

1 Start Process 2 Reboot

Boot Menu

Option 2 allows the unit to continue as normal. Option 1 leads onto the following menu:

Connect PC to serial port

Press YES/ENTER when connected

Boot, Start Process Menu

At this point the serial cable supplied with the equipment should be connected between the PC ands the modems `Async ESC` connector, then the YES key pressed. This leads onto the following menu:

Waiting for communications with PC... \

Press YES/ENTER key to abandon

Boot, Comms Start screen

The bar in the top right hand corner spins whilst it waits for serial communications to begin.

On the PC (under Windows) start the download program (winflash.exe) and select the serial port in use and the new firmware (p300_s.rec). Both the PC and the modem will display the status of the download as it progresses.

The display should first indicate:

Waiting for PC to start erase cycle /

Boot, Process Wait screen

and will then proceed to:

Waiting for flash memory to Erase /

Boot, Erase Wait screen

When the Flash has erased (which takes approximately 30 seconds) the screen changes to:

P300H P300 Series Modem Installation and Operating Handbook Page 165