ADTRAN ISU 2X64 User Manual

ISU2x64  
Dual Port ISDN Service Unit  
Product Features  
The ADTRAN ISU 2x64 is a standalone ISDN  
1200 bps to 115.2 kbps. When using dual  
DTE interfaces, synchronous data transfer  
rates from 2400 bps to 64 kbps and asynchro-  
nous rates from 1200 bps to 57.6 kbps are  
supported. For speeds over 64 kbps using  
a single DTE interface, the industry standard  
Multilink PPP or BONDING delay equaliza-  
tion protocols aggregates the two 64 kbps  
B channels for a maximum of 128 kbps.  
Service Unit that connects data terminal  
equipment to the ISDN network. The ISU  
2x64 is a dual port ISDN Terminal Adapter  
with an integrated NT1. The unit provides  
a cost-effective solution for the transfer of  
data and images over a single ISDN line.  
I Supports video confer-  
encing and audio broad-  
casting at 128 kbps and  
dual modem replacement  
I Uses a single ISDN  
line to support two inde-  
pendent applications  
simultaneously  
The ISU 2x64 can be viewed as a dual  
modem that supports two applications,  
simultaneously and independently, up to  
64 kbps on each DTE interface. For high  
speed applications over 64 kbps, a single  
DTE interface can achieve rates up to 128  
kbps. Target applications for the ISU 2x64  
unit include video conferencing and audio  
broadcasting at 128 kbps, as well as dual  
modem replacement.  
I Dual DTE interfaces  
support data rates  
up to 64 kbps sync  
and 57.6 kbps async  
simultaneously  
Dialing from the ISU 2x64 is accom-  
plished by using the front panel, stored  
numbers, DTR assertion, AT commands,  
or V.25 bis in-band dialing. Dual RS-366  
parallel dial interfaces are also provided,  
which can be used for applications such as  
videoconferencing.  
I Single DTE interface  
supports data rates  
up to 128 kbps sync  
using Multilink PPP or  
BONDING  
The front panel of the ISU 2x64 consists  
of a two-line by 16-character display, seven  
LEDs, and a 16-button keypad. This allows  
for configuring, dialing, testing, and moni-  
toring of the unit without a data terminal or  
test equipment. AT commands may also be  
used for configuration and status monitoring.  
The ISU 2x64 responds to loopback  
commands from the telephone company  
Central Office for network testing. An S/T  
interface version of the ISU 2x64 is also avail-  
able for applications that do not require an  
internal NT1.  
I Compatible with Lucent  
5ESS, Northern Telecom  
DMS-100, NEC, and  
National ISDN-1 switches  
I Supports remote configu-  
ration over the ISDN line  
or externally  
The ISU 2x64 features dual RS-530/  
EIA-232 DTE interfaces and dual RS-366 dial  
interfaces. An S-530A/EIA-232-to-V.35 adapter  
is available to support V.35 DTE interfaces.  
In addition, the ISU 2x64 can be config-  
ured and maintained locally or remotely  
using a VT100 terminal interface. For remote  
configuration, the unit can be accessed over  
the ISDN or externally through the mainte-  
nance port on the back panel.  
I Dual Port ISDN Terminal  
Adapter with integrated  
NT1  
I Uses standard ISDN  
Basic Rate service  
A single DTE interface supports synchro-  
nous data transfer rates from 2400 bps to  
128 kbps and asynchronous rates from  
I Provides U-Interface  
lightning protection  
I Compatible with  
®
Windows Plug and Play  
I Standard 5-year warranty  

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