Appendix A Stinger Mrt Intended Use; User Line Interfaces; Network Interfaces - Lucent Technologies Stinger MRT 19 Getting Started Manual

Stinger MRT Intended Use
User line interfaces . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-1
Network interfaces . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-1
Administrative interfaces . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-2
The Stinger MRT unit is an integrated DSL ATM switch that provides ADSL or SHDSL
connections for individual users. The physical interfaces on the unit provide DSL or
ATM network connections to digital lines, a serial or Ethernet LAN connection for
configuration and administration, and (depending on model) analog connections to a
POTS switch. The Stinger MRT unit also provides an interface for monitoring the
alarm status of other devices, and an optional internal modem.

User line interfaces

Users can connect to the Stinger MRT over ADSL or SHDSL lines, depending on
model. Internal splitters on some models also allow lines from a POTS switch to be
connected to the unit. Both the subscriber DSL lines and lines to the POTS switch
connect to the Stinger with USOC RJ-21X 50-pin telephone company connectors.
Information about connecting and disconnecting the 50-pin connectors is provided in
"Connecting cables to a Stinger MRT unit" on page 3-15. For detailed pinout
information, see "50-pin telephone company connector cable specifications" on
page C-4.

Network interfaces

The Stinger MRT unit extracts data from the digital subscriber line and switches it to
remote ATM switches depending on the configuration of virtual circuit and path
information. Stinger modules are available that support ATM connections to ATM
network switches over the following types of digital lines:
T1 (individual lines or aggregated bandwidth)
E1 (individual lines or aggregated bandwidth)
DS3
OC3
For an explanation of installation and configuration options, see the chapter for a
specific module.
Stinger® MRT Getting Started Guide
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A-1
A-1
A-2
A-1