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61200217L1-1 T3SU 300 User Manual 1-1
Chapter 1 Introduction
PRODUCT OVERVIEW
The T3SU 300 is a multiport DSU/CSU (data service unit/channel
service unit) that provides access to T3 services. The unit provides a
cost-effective, versatile approach for migrating T1 services to T3.
The TDM (time division multiplexer) multiport design allows you
to share the cost of a T3 line between multiple applications. This
unit maximizes the use of T3 services, providing up to four data
ports capable of transmitting and receiving high-capacity, real time
data.
A HSSI (high speed serial interface) port is built in along with three
slots which accept additional HSSI or V.35 interface cards. The HSSI
interfaces support rates between 75 kbps and 44.2 Mbps in 75 kbps
increments. The high speed V.35 interface option supports rates up
to 10 Mbps in increments of 75 kbps.
Embedded SNMP (simple network management protocol) and
TELNET are available through either a SLIP/PPP or a 10baseT
ethernet port. Through the Management Information Base II(MIB
II), RFC 1407 standards, and an ADTRAN enterprise MIB, the
T3SU 300 can be configured, monitored, and diagnosed using
standard SNMP network management programs such as Hewlett
Packard’s HP OpenView™, IBM’s Netview™, and Cabletron’s
Spectrum™.
Complete configuration, diagnostics, and performance monitoring
are available through SNMP, TELNET, or a VT 100 terminal
interface. This connection can be made via ethernet, a local EIA-232