PassPortNetworks

Firmware Update Procedure

Please make sure:

• The serial port mode is upgrade mode.
• DIP switch is off-off position.
• Make sure the RS232 cable is NULL modem cable. If there is no NULL modem cable, please use Virtual COM for upgrading.

Firmware Version

This firmware version (31. Oct. 2007) fixes an auto direction timing problem:

• 1 port module aport311
• 2 port module aport312

History of Firmware

This firmware version (13. Jul. 2007) does significantly reduce answering delay time:

• 1 port module aport311
• 2 port module aport312