User guide

1.9 Modem Connections
The 1838 Access Plus has a built-in modem that can be used to connect to a PC. Before
programming can be attempted, you need to install the programming software on the computer you
want to use for this purpose. The computer must have modem installed or an external modem
connected to it. Follow the instructions in the programming software help guide for setup information.
Modem Connection
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Mic
Vol
Master
Code
1 2 3 4 5 6 7 8 9 1011
Speaker
Vol
Keypad
Phone
Company
ON
SW1 MODEM / TCP ENB
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BAD DNS
RS-485 RX
LAN DOWN
Phone Line
In Use
LAN Connection Data Transmit
SW2
ON
TERMINATION
OFF
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