ADTRAN Network Router ISU 512E User Manual

ISU512e  
512 kbps ISDN Inverse Multiplexer with SNMP  
®
Product Features  
The ADTRAN ISU 512e is a standalone  
ISDN Service Unit that connects data  
The ISU 512e supports synchronous data  
rates from 56 kbps to 512 kbps. At rates over  
64 kbps, the ISU 512e supports BONDING  
Mode 1 and MLPPP utilizing from one to  
eight 64 kbps B channels. By supporting  
BONDING the ISU 512e interoperates with  
other BONDING-compatible inverse multi-  
plexers and ISDN terminal adapters. By  
supporting MLPPP the ISU 512e interoperates  
with MLPPP compatible routers and bridges.  
I Low cost inverse  
terminal equipment (DTE) to the ISDN net-  
work. The ISU 512e is specifically designed as  
a low-cost solution for applications such as  
video-conferencing, T1 backup, LAN/WAN  
connectivity, and high-speed file transfer.  
multiplexing  
I Applications include  
video-conferencing,  
LAN/WAN connectivity,  
high-speed file transfer,  
and T1 backup  
Embedded SNMP & Telnet are available  
through a 10BaseT Ethernet port. Through  
the Management Information Base (MIB)-II  
standard and an ADTRAN-supplied enterprise  
MIB, the ISU 512e can be configured, moni-  
tored and diagnosed using standard SNMP  
network management programs such as HP  
I Supports up to four ISDN  
Basic Rate lines  
I Operates at synchronous  
data rates of up to 512 kbps  
The ISU 512e can be configured and main-  
tained, locally or remotely, using a VT100  
terminal interface. For remote configuration,  
the unit can be accessed over the ISDN line.  
I Supports industry stan-  
dard BONDING and  
Multilink PPP  
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Openview , Netview and SunNet Manager.  
The front panel of the ISU 512e consists  
of a two-line by 16 character LCD display,  
seven LEDs, and a 16-button keypad. This  
allows for configuring, dialing, testing, and  
monitoring of the unit without data terminal  
or test equipment.  
I Dialing options include  
front panel, stored number,  
V.25 bis, DTR dialing, and  
an RS-366 dial interface  
The ISU 512e connects directly to the  
ISDN network using up to four Basic Rate  
ISDN (BRI) lines. By terminating four BRI  
circuits, the ISU 512e can create an aggregate  
bandwidth of up to 512 kbps which can be  
used to backup a T1 circuit.  
I Flash memory for  
easy upgrades  
Dialing from the unit is accomplished by  
using the front panel, stored numbers, DTR  
assertion, or V.25 bis in-band dialing. The  
RS-366 parallel dial interface is available  
for applications such as video-conferencing.  
The ISU 512e also supports dedicated 2B1Q  
services. This provides a dedicated point-to-  
point service (as in a limited distance modern  
or leased line application) with no dialing  
necessary.  
I Remote configuration  
over ISDN line  
Since ISDN is a switched digital service,  
bandwidth can be established and utilized on  
an as needed basis. Therefore, the ISU 512e is  
well suited for applications where a high  
bandwidth connection is needed to support  
bursty or infrequent traffic like medical image  
or large file transfer.  
I Embedded SNMP  
and Telnet  
I 10BaseT Ethernet  
SNMP access  
I Standard five-year  
warranty  
 

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