Comsphere 392Xplus Models - Paradyne COMSPHERE 3920Plus Installation Instructions Manual

COMSPHERE 392xPlus Models

The COMSPHERE 392xPlus modem is available in the following four models:
Model 3920Plus standalone singleport modem (model no. 3920-A1-41x).
Model 3920Plus standalone multiport modem (model no. 3920-A1-40x).
Model 3921Plus carrier-mounted singleport modem (model no 3921-B1-01x).
Model 3921Plus carrier-mounted multiport modem (model no. 3921-B1-00x).
The last digit in the model number (x) varies, depending on whether the modem is equipped with fixed Data
Access Arrangement (DAA) or configurable DAA*.
Throughout this document, reference to the Model 392xPlus modem
represents all four models.
*Data Access Arrangement. Hardware that acts as a protective interface between the telephone circuit and the modem. It
performs such functions as ring detection, DC isolation, and surge protection to protect the circuit from being disturbed
by a modem malfunction.
2
NOTE
February 2002 3920-A2-GK41-60