Chapter 1: Overview
Figure 1-2. Local Management of a Single Shelf Using RS-232/Telnet
Network Management Station
PC running Telnet
Client/StarGazer
Ethernet
Network
Figure 1-3. Remote Management of Multiple Shelves at Two Sites Using Multishelf TAO
The Multishelf TAO firmware allows the DSL circuits in a single shelf or a network of shelves to be managed from a
single point-of-access (the EMU-830 console port of one shelf or using a Telnet session to one EMU-830). The
alarm status for each shelf in a multishelf network can be viewed on a single Network screen
5), and the alarm status of each DSL circuit in a selected shelf can be viewed on a single Main Menu screen
1-5 on page
1-5). Each EMU-830 constantly monitors the DSL cards in its shelf for alarm conditions and
automatically updates the alarm status.
From the TAO Network screen
Main Menu screen
(Figure 1-5 on page
provides access to that card's maintenance menus and is equivalent to connecting a terminal directly to the Craft
port on the HDSL card.
Note:
HDSL cards cannot be directly managed from their front-panel craft port when the EMU-830 is
installed in the shelf. G.SHDSL (UTU-91x and WD92xGx) cards can be managed from their front-panel craft
port when the EMU-830 is installed in the shelf. Telnet can also be used to manage multiple EMU-830s
using multishelf TAO in the same logical IP network.
1-4
WorldDSL
Shelf
Exchange
Switch
To EMU
10Base-T
port
PC running
VT100 dumb
Telnet Client
terminal or
PC with terminal
emulation software
Network Management Station
VT-100 dumb terminal
or PC with terminal
emulation software
Modem
Up to 32 shelves linked
over Ethernet network
PSTN
Ethernet Hub/
(Figure 1-4 on page
1-5), log into any DSL card installed in the shelf. Logging into an DSL card
DSL Lines
NTU/STU-R
NTU/STU-R
To EMU Console port
from PC serial port
Exchange Office 1
Printer
EMU
10Base-T
Port
Modem
Modem connected to
console port of any EMU
Switch
1-5), you can access any shelf in the network and then, from the
September 25, 2006
GSM
Base Station
Video
Conference
PBX
Exchange Office 2
DSL
DSL
Lines to
Lines to
NTUs/
NTUs/
STU-Rs
STU-Rs
DSL
DSL
Lines to
Lines to
NTUs/
NTUs/
STU-Rs
STU-Rs
DSL
DSL
Lines to
Lines to
NTUs/
NTUs/
STU-Rs
STU-Rs
Modem
Modem connected to
console port of any EMU
(Figure 1-4 on page 1-
LTPE-UM-3159-02
(Figure
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