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Overview
This chapter describes how to use the diagnostic control panel (DCP) of the 391x Series modem. It
also describes how to select and use each branch of the Top-Level menu tree.
Diagnostic Control Panels
There are two types of diagnostic control panels (DCP), the DCP on the standalone Model 3910
modems and the shared diagnostic control panel (SDCP), an optional feature, used with the
Model 3911 installed into a COMSPHERE 3000 Series Carrier. Both DCPs have a two-line,
32-character liquid crystal display (LCD) and keypad through which Top-Level menu branches are
accessed to perform the following:
The LCD displays the result of any command initiated using the DCP. Most of these operations can
be performed from an attached asynchronous DTE using the AT command set.
3910-A2-GN32-40
Check modem status
Set up configuration options
Initiate diagnostic tests
Initiate and disconnect dial operations
Access remote modems through the local modem's DCP
September 1998
DCP Operation
3
3-1
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