Multi-Tech Systems 7500 ユーザーズマニュアル

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Internal Modem Connections
 ION 7500 / ION 7600 User’s Guide
Page 134
Chapter 5 - Features and Applications 
Configuring the Comm 3 Module through the Front Panel
1.
Select COM 3 Setup > COM 3 Hardware > Mode > Modem from the meter’s 
setup menu. Press 
ESC
 to go back to the COM 3 Setup menu.
2.
Select COM 3 Protocol to configure the Comm 3 communications module Baud 
Rate,
 Unit ID, and Protocol setup registers to match your communications 
system.
Configuring the Comm 3 Module via Designer
Before you can configure the Comm 3 module in Designer you must add the meter 
(with the internal modem) and a modem site to your ION Enterprise network. 
Adding a Meter and a Modem Site to your ION Enterprise Network
In the Management Console, add the meter with the internal modem, and a 
modem site to your ION Enterprise network. Describe how your remote modem 
is wired and other communications information on the options screens.
Either before or after adding the Modem Site, you must add a dialout modem to 
the server computer. The server computer dialout modem communicates to the 
modem at the modem site. Refer to the online ION Enterprise Help to learn how to 
add a dialout modem.
On the Modem Site Options screen, be sure to include:
the server computer that will communicate with the remote modem
the remote modem telephone number 
Configuring the Comm 3 Communications Module in Designer
Launch Designer, and configure the Comm 3 Communications module Baud Rate, 
Unit ID, and Protocol setup registers to match your communications system. 
Configure the initialization string for the internal modem using the ModemInit 
register. Refer to “ModemInit Setup Register” on page 132.
To avoid excessive communication 
errors, the baud rate of the modem 
site should match the baud rate of 
the COM 3 port of the meter.
Server computer that 
communicates with the 
remote modem. Ensure that 
the server computer dialout 
modem is configured. 
Remote modem telephone 
number
Pick a local modem type 
from the drop-down box.