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.
• Use 19200 Bd, 8-N-1 on both the device server and the host pc.
• After upgrading firmware with manager software, reboot the serial device server and re-enter your settings (like baudrate, IP address etc.).

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