Installing the Data Module, Hardware Key, and Remote Maintenance Line
3-4 Installing the Data Module
Installing the 7400B/7400B Plus Data Module with
a Telephone
3
The 7400B Plus comes with the default option set to be used with a voice
terminal. Refer to 7400B/7400B Plus Data Module User Guide.
Installing a 7400B/7400B Plus Data Module without
a Telephone
3
This section describes the equipment you need to install a 7400B/7400B Plus
Data Module and the steps you should follow to prepare it for operation.
To install a 7400B/7400B Plus Data Module, you need the following:
• One 7400B/7400B Plus Data Module
• One EIA-232-D cable
• One D8W cord
• One 7400B/7400B Plus Data Module Power supply
• If the communications port on your PC has nine pins, you also need an
M25/F9 Adapter.
Selecting an EIA-232-D Cable 3
Select an EIA-232-D cable with a male connector at one end to connect with
the Port 1 connector of the 7400B/7400B Plus, and a connector of the
appropriate gender at the other end to connect to the communications port
of your PC.
Cables with an earlier RS-232-C designation will also work.
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