Zhone 3921Plus Instrukcja Instalacji Pobierz pdf (Strona 8)

Carrier-Mounted Model 3921

Plus

4-Wire/2-Wire Modem

The carrier-mounted Model 3921Plus modem (Figure 2) installs into a COMSPHERE 3000 Series Carrier. The

Model 3921Plus modem’s faceplate covers two slots in the carrier. It has 20 LED status indicators for displaying

modem activity and an audio speaker jack for the carrier’s optional speaker.

The Model 3921Plus modem’s rear has four edge card connectors that mount into two connector plates located on

the rear of the carrier. Each connector plate has two DB-25-S connectors providing four EIA-232-D DTE

interfaces.

Figure 2. Model 3921

Plus

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Zhone 3921Plus Instrukcja Instalacji Strona 8