To access the second port on an ATA190 device, you need to shift the device MAC Address by two digits and append the digits ’01′ to the end of the device MAC Address. Below is an example.

First Analogue Port MAC Address.

MAC Address of ATA190 is 34DBFD184921

Second Analogue Port MAC Address.

MAC Address of ATA190 is DBFD18492101 (the ’34′ has been discarded and ’01′ has been appended to the end)

Simply Add New Devices, select ATA190 then enter the required MAC Address to access the device configuration page.