Global Solutions
Express NTU
Synchronous ISDN Terminal Adapter
™
Product Features
The Express NTU is a full-featured
nous rates of 300 bps to 230.4 Kbps. Network
transmission at 128 Kbps is supported using
single-port terminal adapter that allows
I Provides up to 128 kbps
of dialed or dedicated
bandwidth for high-speed
data applications
cost-effective high-speed data transmission either multilink PPP or the Bonding delay
at rates up to 128 kbps. The Express NTU
is ideal for LAN/WAN connectivity or
disaster recovery.
equalization protocol.
The Express NTU also supports dedicated
leased 2B1Q services. This provides a
I Supports dedicated 128
kbps service over two
wires in a limited distance
modem or leased line
application
ISDN service is delivered from the
dedicated point-to-point service with no
network by a single 2-wire U-interface which dialing necessary.
is connected directly to the Express NTU.
The front panel of the Express NTU
The Express NTU responds to loopback
commands from the telephone company
central office to make testing easy.
provides five LEDs that indicate the status
of the product, line and DTE. Configuration,
testing and monitoring of the unit can be
accomplished through a VT100 terminal
connected to the DTE port, or remotely over
the ISDN line.
I Uses standard ISDN
Basic Rate service
I EIA-232, V.35 or EIA-530
DTE interface
The Express NTU transmits data over an
EIA-530, EIA-232 or V.35 DTE interface. The
Express NTU performs at synchronous data
rates of 2400 bps to 128 Kbps and asynchro-
I Supports data rates up to
128 kbps synchronous or
230.4 kbps asynchronous
I Built-in network termina-
tion and terminal adapter
functionality
I Supports BONDING and
Multilink PPP
I Remotely configurable
over the ISDN line
PC
I Manual, automatic, and
stored number dialing
PWR
LINE
B2
B1
RD
TD
ISDN
®
TEST
T
ISU XR
I Windows Plug-and-Play
compatible
PC
Express NTU
PC
PC
PWR
B2
B1
RD
TD
ISDN
LINE
TEST
T
ISU XR
Express NTU
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