System Overview

2-11
Telnet
Work Station
RS232
MOSCAD
ToolBo x
System Support CenterNetwork Management Center

MDLC Network

Terminal Server
132
. . .
MDLC
SC
Communication Site

TCP/IP on Ethernet

R485S
EMU EMU EMU
. . .
DEVICE
WDEVICE
X
ENVIRONMENTAL
SENSORS
MDLC
SC
Communication Site
R 485S
EMU EMU EMU
. . .
DEVICE
YDEVICE
Z
ENVIRONMENTAL
SENSORS
MDLC
SC
Communication Site
R 485S
EMU EMU EMU
. . .
DEVICE
YDEVICE
Z
ENVIRONMENTAL
SENSORS

LEGEND

Device
Application
Site
Concentrator
EMU
SC
Element
Management
Unit
Figure 2-6: MOSCAD NFM System Architecture with TELNET Application