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Home > News > Press
Releases > 2001.12.12
Fiber-optic connections, 8Mb rates lead new
feature set
Wallingford, CT (USA) - DNE Technologies, a provider
of tactical voice and data communication solutions, announces the
release of a new family of products, the CV-8448 NRZ to CDI protocol
converters. DNE is the first on the market to offer an NRZ to CDI
conversion product with rates up to 8.448Mbps over fiber-optic cable.
The CV-8448 products allow the bridging of NRZ and CDI protocols
so cameras, routers, cryptos, and other NRZ devices can be positioned
up to 4km from the satellite terminal.
DNE's new CV-8448 Protocol Converter performs NRZ-CDI, CDI-Fiber
and NRZ-Fiber conversions at a variety of data rates, ranging from
16kbps to 8.448Mbps. Flexible timing options allow either pass-through
synchronous timing, or referencing of GPS timing sources and station
clocks. The NRZ interface may be configured to support either the
red or black side of an encryption unit. The CV-8448 series will
be offered in three models which will offer fiber-optic, copper-wire
only, or rack-mounted options. In addition, data mark sense is user
selectable on all units.
The CV-8448 units are designed to bridge the two most popular cable
link protocols utilized in tactical communications, NRZ and CDI.
Non Return to Zero (NRZ) is prevalent among data routers, hubs,
switches, video cameras, and modems because it offers an economical
high-speed interface, yet NRZ devices have output distance ranges
that are extremely short. Conditioned Di-Phase (CDI) protocols are
used where wire or fiber-based connections are needed to send high-speed
data over long distances (2 to 4 km). The CV-8448 allows popular
NRZ devices to be positioned in tactical areas as needed and transport
their data longer distances via CDI cabling.
The CV-8448F is a single unit which offers Balanced CDI rates from
16 kbps to 2048 kbps; Unbalanced CDI rates from 72 kbps to 4608
kbps over a copper-wire UG-1837 connector; and 72 kbps to 8448 kbps
over fiber-optic connectors. A TFOCA-IITM Connector kit is offered
for field installation with this unit. The CV-8448F unit also offers
a 48/5 VDC Power source for popular encryption units. The CV-8448C
Model is a single unit which offers Balanced CDI Rates from 16 kbps
to 2048 kbps and Unbalanced CDI rates from 72 kbps to 4608 kbps
utilizing copper-wire connections. The CV-8448-D is a dual unit,
rack-mounted with two side-by-side single chassis, which also offers
Balanced CDI rates from 16 kbps to 4608 kbps and Unbalanced CDI
rates from 72 kbps to 8448 kbps in both copper-wire and fiber-optic
connectors (with a maximim copper-wire rate of 4608 kbps). Each
individual CV-8448-D unit can be "hot swapped" without
powering down the unit. All CV-8448 units are fully compatible with
the DNE CV-2048 series at rates between 16 kbps and 2048 kbps.
The CV-8448 Converter and DNE's ATM Concentrator Line permit full
use of emerging broadband satellite services, while allowing data
communication and encryption devices to be phyiscally grouped to
simplify monitoring and control of communication links. CDI interfaces
on data routers can be configured to run at higher speeds, and the
reach of video cameras can be extended to be positioned up to 4
kilometers from a satellite terminal.
For more information on the CV-8448 family, the TAC ATM Concentrator
Line, or the AN/FCC-100(V)9 or other DNE products, contact DNE Technologies
at (203) 265-7151 or (800) 370-4485, or visit their web site at
www.dnetech.com.
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