ADTRAN Network Router T1 FT1 CSU User Manual

TSUIQ  
Frame Relay T1-FT1 DSU/CSU  
Product Features  
ADTRAN’s industry-leading and award-  
winning DSU/CSU family continues to  
provide more flexibility with the TSU IQ.  
The TSU IQ provides the visibility and control  
you need for both the physical and logical  
connections made in Frame Relay networks.  
This intelligent solution for managed Frame  
Relay access allows you to enjoy the monetary  
savings of Frame Relay without giving up  
management visibility and control.  
type of network configuration. Options  
include simple VT100 connection, front panel,  
management access through inband dedi-  
cated or shared PVCs, SLIP/PPP or ethernet,  
and combination management. Combination  
management allows for simultaneous and  
independent management by the service  
provider and the end user.  
I Real-time measurement of  
throughput, bandwidth  
utilization, bursting,  
congestion, and network  
delay on each PVC  
I Bandwidth utilization by  
protocol and top talkers  
I End-to-end network round  
trip delay measurements  
for network optimization  
The IQ family provides automatic dial  
backup upon interruption of Frame Relay  
services. The TSU IQ monitors both the phys-  
ical link and the Frame Relay signal to  
determine if an interruption has occurred.  
Once detected, the unit automatically initi-  
ates a dial-up call around the Frame Relay  
network. A host IQ unit initiates and accepts  
calls to and from IQ units at remote sites.  
Once connected, the host unit merges backup  
traffic with the primary traffic still being  
received from unaffected remote sites.  
The router or Frame Relay device connected  
to the TSU IQ still receives all data as Frame  
Relay traffic over the primary connection,  
allowing a virtually transparent transition.  
Once the failed condition has been cleared  
and the Frame Relay interruption is over, the  
IQ unit automatically restores traffic to the  
primary link.  
Real-time measurements of Frame Relay  
metrics are stored in the TSU IQ. These  
metrics include statistics on throughput and  
utilization per port and PVC, availability,  
utilization by protocol, top talkers lost frames  
and PVC state, excess bursting above CIR,  
network congestion (FECN, BECN, and DE),  
and end-to-end delay on any or all PVCs.  
This data is crucial for pinpointing specific  
traffic demands and problem sources in the  
network, for analyzing traffic patterns, and for  
general maintenance and troubleshooting of  
the Frame Relay circuit.  
I N-Form provides a web-  
based, cost-effective,  
easy-to-use management  
platform  
I True non-intrusive in-band  
transmission of statistics  
I Embedded SNMP and  
Telnet through SLIP/PPP  
port or optional Ethernet  
interface  
I Optional Dial Backup to  
avoid service interruption  
I Standard V.35 DTE  
Interface  
The statistics are stored in the TSU IQ  
in a standard ASN.1 format making the statis-  
tics available to any SNMP management  
platform or trend analysis package. ADTRAN  
offers N-Form, a powerful proactive network  
management software suite. Modular in  
design, N-Form combines the features of a  
complete SNMP management platform, with  
a network trend analysis tool, in an easy-to-  
use, web-based, low cost package.  
I Easy configuration from  
Front Panel, SNMP, Telnet  
or VT100  
I Standard five-year  
warranty  
Additional features such as an easy-to-use  
front panel interface and modular option  
cards combined with the quality, service and  
support that ADTRAN is known for makes the  
TSU IQ the obvious choice for Frame Relay  
monitoring. The IQ series also includes the  
The TSU IQ supports multiple ways to  
access the collected performance data. This  
management flexibility accommodates both  
the service provider and the end user in any  
IQ Probe, DSU IQ , TSU IQ+ , and the  
NxIQ module for the TSU multiplexer family.  
 

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