Status Indicators; Model 3920Plus Diagnostic Control Panel; Model 3921Plus Faceplate And Shared Diagnostic; Control Panel (Sdcp) - Paradyne COMSPHERE 3920PLUS Technical Reference Manual

COMSPHERE 392xPlus Modems

Model 3920Plus Diagnostic Control Panel

The diagnostic control panel (DCP) of the Model 3920Plus modem (Figure 3-1) contains status
indicators, pushbutton-type keys, an LCD, and speaker grill.
COMSPHERE 3920Plus
Model 3921Plus Faceplate and Shared Diagnostic Control Panel (SDCP)
The shared diagnostic control panel (SDCP),
Model 3921Plus modems.
The faceplate of the Model 3921Plus contains LED status indicators that monitor the operation of
the modem. After the SDCP is connected to the modem, the Front Panel indicator of the selected
modem lights to show that the modem is connected.

Status Indicators

The 392xPlus modem status indicators continuously provide information on the modem's
operating condition. All of the status indicators on the Model 3920Plus appear on the DCP
(Figure
the Model 3921Plus modem's faceplate and the SDCP faceplate
The standalone Model 3920Plus modem's DCP has 13 light-emitting diodes (LEDs), and the
carrier-mounted Model 3921Plus has 20 LEDs. These LEDs are listed and described in
LEDs specific to one model type have the appropriate model number shown in the table.
3-2
PWR ALRM DIAG DTR
108
Figure 3-1. Model 3920Plus DCP
3-1), whereas the status indicators for the carrier-mounted Model 3921Plus are located on
October 1998
F1 F2 F3
RTS CTS TXD LSD RXD SQ TEST RATE
103 109 104
105 106
Figure 3-2, is used to manage carrier-mounted
(Figure
DIAL
142
496-14412-02
3-2).
Table
3920-A2-GH30-40
3-1.