ADTRAN ISU 512E User Manual
ISU 512e
512 kbps ISDN Inverse Multiplexer with SNMP
Product Features
■ Low cost inverse
multiplexing
■ Applications include
video-conferencing,
LAN/WAN connectivity,
high-speed file transfer,
and T1 backup
■ Supports up to four ISDN
Basic Rate lines
■ Operates at synchronous
data rates of up to 512 kbps
■ Supports industry stan-
dard BONDING and
Multilink PPP
■ Dialing options include
front panel, stored number,
V.25 bis, DTR dialing, and
an RS-366 dial interface
■ Flash memory for
easy upgrades
■ Remote configuration
over ISDN line
■ Embedded SNMP
and Telnet
■ 10BaseT Ethernet
SNMP access
■ Standard five-year
warranty
The ADTRAN®ISU™512e is a standalone
ISDN Service Unit that connects data
terminal equipment (DTE) to the ISDN network. 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.
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, monitored and diagnosed using standard SNMP
network management programs such as HP
Openview
®
, Netview®and SunNet®Manager.
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.
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.
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 multiplexers and ISDN terminal adapters. By
supporting MLPPP the ISU 512e interoperates
with MLPPP compatible routers and bridges.
The ISU 512e can be configured and maintained, locally or remotely, using a VT100
terminal interface. For remote configuration,
the unit can be accessed over the ISDN line.
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.
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-topoint service (as in a limited distance modern
or leased line application) with no dialing
necessary.
Specifications subject to change without notice. ISU is a trademark of ADTRAN, Inc. 5ESS is a
registered trademark of Lucent, DMS-100 is a trademark of Northern Telecom, HP Openview is a
registered trademark of Hewlett Packard Company, Netview is a registered trademark of IBM
Corporation, SunNet Manager is a registered trademark of Sun Microsystems, Inc., all other
marks or trademarks are property of their respective owners.
Product Specifications
Network Interface
■
Four RJ-45s for ISDN 2B1Q Basic Rate U-Interface
■
Up to four BRIs
(Maximum of eight 56/64 kbps B channels)
DTE Interface
■
V.3 5
■
56 kbps to 512 kbps synchronous data rates
Dialing Selections
■
Manual from front panel
■
In-Band DTE Dialing: V.25 bis
■
DTR assertion
■
From VT100 terminal interface
■
RS-366
Protocols
■
Multilink PPP
■
Clear Channel
■
BONDING Mode 1
Switch Compatibility
■
National ISDN-1, Lucent 5ESS, NTI DMS-100, NEC
Diagnostic and Testing
■
Local and remote loopbacks, V.54 loopback,
2047 pattern (remote testing for BONDING mode only)
■
Remote configuration
ISU 512e
512 kbps ISDN Inverse Multiplexer with SNMP
Display
■
Two-line x 16-character LCD
Environmental
■
Operating Temperature: 0° to 50°C, 32° to 122°F
■
Storage Temperature: -20° to 70°C, -4° to 158°F
■
Relative Humidity: Up to 95%, non-condensing
Physical
■
Dimensions: 2.5" H, 7.875" W, 10.5" D
■
Weight: 3 lbs
■
Power: 115 vAC, 60 Hz, 8 watts maximum dissipation
Product Includes
■
Four 7 foot RJ-45 telephone cables
■
User Manual
Ordering Information
Equipment Part #
ISDN Ordering Codes are available to aid in ordering
ISDN lines for this product.
ISU 512e 1203086L1
ADTRAN, Inc.
Attn: Enterprise Networks
901 Explorer Boulevard
Huntsville, AL 35806
P.O. Box 140000
Huntsville, AL 35814-4000
256 963-8000 voice
256 963-8699 fax
256 963-8200 fax back
General Information
800 9ADTRAN
info@adtran.com
www.adtran.com
Pre-Sales
Technical Support
800 615-1176 toll-free
application.engineer@adtran.com
www.adtran.com/support
Where to Buy
877 280-8416 toll-free
channel.sales@adtran.com
www.adtran.com/where2buy
Post-Sales
Technical Support
888 423-8726
support@adtran.com
www.adtran.com/support
ACES Installation &
Maintenance Service
888 874-ACES
aces@adtran.com
www.adtran.com/support
International Inquiries
256 963 8000 voice
256 963-6300 fax
international@adtran.com
www.adtran.com/international
For the regional office
nearest you, visit:
www.adtran.com/where2buy
Printed in the U.S.A.
61203086L1-8A May 2002
©2002 ADTRAN, Inc. All rights reserved.
ADTRAN is a
TL 9000 registered company.
ADTRAN is a
ISO 9001 registered company.
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