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Setting Up the Network for the MeterM@il Feature ION 7500 / ION 7600 User’s Guide
Page 240 MeterM@il Internal Email Server Feature Technical Note
The network components for using MeterM@il technology are described below.
Ethernet network: Ethernet is the connection medium for the delivery of email
from a meter to an SMTP server.
Workstation with ION software: A computer with ION software is required to
set up a meter equipped with the MeterM@il feature. Refer to “Configuring the
Meter for MeterM@il Technology” on page 242.
Meter: The meter can be connected to your LAN like any other network device.
SMTP mail server: The MeterM@il feature requires an SMTP mail server to be
configured to forward email from the meter to the final destination of the email
message. The SMTP server may be located on your Ethernet network or
accessed via a dial-up modem connection.
BootP server: A BootP server can be set up to automatically configure meter
network settings. See “Automatically Configuring Meter Network Settings” on
page 238. (BootP is not available for ION 8000 Series meters.)
Firewall: If the SMTP server that the meter uses is beyond the corporate
network, you must configure the firewall to allow outgoing connections on TCP/
IP port 25 from the meter to the SMTP server. If the SMTP server is within the
network, no additional configuration is required.
SMTP Connection Timeout
For meter email transmission, an SMTP mail server which is configured to forward
email from that meter to the final destination is required. The SMTP mail server
may be located on your Ethernet network (as illustrated above), or accessed via a
dial-up modem connection (as illustrated below). If the SMTP mail server is
located on your Ethernet network, the connection between the meter and the
SMTP server is usually made quickly. If the SMTP mail server is accessed via a
dial-up modem the connection can take longer, and can cause the meter to
terminate the attempted connection to the SMTP server because the server takes
too long to respond.
You can extend the SMTP Connection Timeout interval on your meter using the
SMTP Connection Timeout setup register in the Ethernet Communications module:
If the SMTP server is on your local network, you can most likely leave the SMTP
Connection Timeout setting to its default of 60 seconds.
If the SMTP server is accessed via a dial-up connection, the SMTP Connection
Timeout should be extended to allow for extra time to establish a connection. The
exact time setting depends on the speed of your dial-up process.
The SMTP Connection Timeout register can be set through the meter’s front panel or
with Designer software. See “‘Setting Up the Meter for the SMTP Server” on
page 242.