Zhone 3920Plus Manual de instrucciones descargar pdf (Pagina 42)

COMSPHERE 392xPlus Modems

3-2 October 1998 3920-A2-GH30-40

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.

PWR ALRM

CTS TXD LSD RXD TEST

RATE

105

106

103

109

108 142

COMSPHERE 3920Plus

496-14412-02

F1 F2

SQRTS

DTR

104

DIAG

DIAL

Figure 3-1. Model 3920Plus DCP

Model 3921Plus Faceplate and Shared Diagnostic Control Panel (SDCP)

The shared diagnostic control panel (SDCP), Figure 3-2, is used to manage carrier-mounted

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 3-1), whereas the status indicators for the carrier-mounted Model 3921Plus are located on

the Model 3921Plus modem’s faceplate and the SDCP faceplate (Figure 3-2).

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 Table 3-1.

LEDs specific to one model type have the appropriate model number shown in the table.

1 2 ... 37 38 39 40 41 42 43 44 45 46 47 ... 353 354

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Zhone 3920Plus Manual de instrucciones Pagina 42