Paradyne COMSPHERE 3921Plus Modem - Serial - 33.6 kbit/s - 14.4 kbit/s Fax Transmission Data Rate - 3921-B1-011

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Product Overview

The COMSPHEREModel 3920Plus modems are full-feature, high-speed leased modems, providing reliable asynchronous and synchronous operation over leased or dial-line networks with data rates as high as 33,600 bps.

The COMSPHERE 3920Plus modem is available in several models. This document refers to model numbers in the 3920-A2 series, which are singleport modems with single-rate power supplies. Modems in the 3920-A1 series have universal power supplies and are described in the COMSPHERE 3900 Series Modems, Models 3920Plus and 3921Plus, Installation Instructions, Document No. 3920-A2-GK41.


Manufacturer Zhone Technologies
Mfg Part# 3921-B1-011
SKU 10020388
UPC 753353002190
UPC 14 00753353002190
Host Interface Serial
Product Type Data/Fax Modem
Manufacturer Part Number 3921-B1-011
Manufacturer Zhone Technologies
Product Model 3921Plus
Product Name COMSPHERE 3921Plus Modem
Product Line COMSPHERE
Brand Name Paradyne
Fax Transmission Data Rate 14.4 kbit/s
Modem Transmission Data Rate 33.6 kbit/s
Weight (Approximate) 1 lb
Form Factor Plug-in Card
Height 7.1"
Width 0.9"
Depth 13.4"
Fax Technology Group 3
Modulation ITU-T V.22 / Bell 103 / Bell 212A / ITU-T V.22bis / ITU-T V.32 / ITU-T V.32bis / ITU-T V.34 / ITU-T V.23
Tech Specs
Device Type - Fax / modem
Enclosure Type - Plug-on module
Width - 7.2 in
Depth - 13 in
Height - 1 in
Weight - 1 lbs
Localization - English / United States
Connectivity Technology - Wired
Max Transfer Rate - 33.6 Kbps
Protocols & Specifications - Bell 103, ITU V.21, Bell 212A, ITU V.22, ITU V.22bis, ITU V.32, ITU V.32bis, ITU V.34, ITU V.23, ITU V.25bis
Error Correction Protocol - MNP-4, ITU V.42, MNP-2, MNP-3
Data Compression Protocol - MNP-5, ITU V.42bis
Fax Compatibility - G3
Max Fax Transfer Rate - 14.4 Kbps
Analog Ports Qty - 1
Features - Auto answer, auto call-back
Interfaces - 1 x modem - leased line
Compatible Slots - 1 x expansion slot
Package Type - Retail
Min Operating Temperature - 32 °F
Max Operating Temperature - 122 °F
Humidity Range Operating - 5 - 90%
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