GridConnect NET485 - SMTP Port Number; MTU Size; TCP Re-Transmission Timeout (500 - 4000) (Ms): (500); Enable Alternate MAC

Device Installer
3-26 NET485 User Guide
3.9.7 SMTP Port Number
This option allows you to configure the SMTP (email) port number. Valid range is from 1 - 65535. The
default value is 25.
3.9.8 MTU Size
The Maximum Transmission Unit (MTU) is the largest physical packet size a network can transmit for TCP
and UDP. Enter between 512 and 1400 bytes. The default is 1400 bytes.
3.9.9 TCP Re-transmission Timeout (500 – 4000) (ms): (500) ?
This feature allows the configuration of the desired TCP re-transmission timeout value. If the ACK is not
received for a packet sent from the xPort device, then the unit will retransmit the data. The valid range is
500-4000 msec. Enable Alternate MAC
If necessary, enable the alternate MAC address (if specified in the OEM setup record).
3.9.10 Enable Alternate MAC
If necessary, enable the alternate MAC address (if specified in the OEM setup record).
3.9.11 Ethernet Connection Type
The NET485 allows for the Ethernet speed and duplex to be manually configured. Enter 0 for auto-
negotiation (default). To select the speed and duplex, enter one of the following: 2 (10Mbit/half duplex), 3
(10Mbit/full duplex), 4 (100Mbit/half duplex), or 5 (100Mbit/full duplex).