Paradyne COMSPHERE 3920PLUS Series Specifications

COMSPHERE
3920 PLUS SERIES
V.34 ANALOG PRIVATE
LINE MODEM
B E N E F I T S
• MEETS HIGH-SPEED NETWORK REQUIRE-
MENTS WITH SPEEDS UP TO 33,600 bps
OVER TWO OR FOUR-WIRE LEASED-LINE
AND PUBLIC SWITCHED DIAL NETWORKS
• PROTECTS HARDWARE INVESTMENT WITH
SOFTWARE-DRIVEN ARCHITECTURE
• FOUR-PORT TIME DIVISION MULTIPLEXER
(TDM) PROVIDES MAXIMUM EFFICIENCY
OVER ANALOG LEASED-LINE CIRCUITS,
REDUCING POTENTIAL FOR ADDITIONAL
LINES AND COMMUNICATIONS
EQUIPMENT
• PARADYNE'S NETWORK MANAGEMENT
SYSTEM ENSURES ADVANCED
MODEM CONTROL, NETWORK
EFFICIENCY, AND FAULT ISOLATION,
MAXIMIZING APPLICATION UPTIME
AND USER SATISFACTION
• PREVENTS INTERRUPTIONS OR DATA LOSS
WHEN SWITCHING BETWEEN LEASED LINE
AND DIAL RESTORAL
• DELIVERS FASTER RESPONSE TIMES WITH
TRELLIS MULTIPOINT TURN-AROUND
TIMES AS LOW AS 10 MILLISECONDS
• SUPPORTS DIAGNOSTIC TAIL CIRCUITS
T
he COMSPHERE 3920 Plus Series of software definable, high-speed, network-managed, analog
private line modems are fully compatible with ITU V.34 with data rates up to 33,600 bps.
Based on Paradyne's award-winning COMSPHERE 3800 Series architecture, the software-defined
flexibility of the 3920 Plus Series allows you to change, upgrade, or enhance both the single-port and
four-port families of modems, via downloads over the public switched or leased-line network.
The COMSPHERE 3920 Plus Series delivers unsurpassed reliability with its full-featured standalone
and carrier mount designs for either point-to-point or multipoint applications. The four-port Time Division
Multiplexer (TDM) modem family maximizes your applications' network efficiency and cost
effectiveness by reducing the potential for additional lines and/or equipment.
The single-port modem family is the newest member of the 3920 Plus Series. Like the other
members of the series, the single-port fully supports ITU V.34 (33,600 bps) can be network managed
by the COMSPHERE 6700 Network Management System; and meets the requirements to support
data integrity and speed critical analog applications.
The COMSPHERE 3920 Plus Series modems can be configured for two or four-wire analog leased-
line networks with dial restoral via two-wire dial or two-wire leased line. Should the line quality
deteriorate, the COMSPHERE 3920 Plus Series modems (if optioned) will automatically downshift to
lower speeds, attempting to preserve the link. If the modems are not able to operate at the minimal
selected rate, the modem will initiate non-disruptive dial restoral.
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