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The Management Module
The diagram alongside shows a front view of the
management module.
At the top and bottom of the front are ejectors
which hold the module in the chassis.
There are three LEDs by the top ejector on the
front of the MSH Management Module. Two
yellow LEDs flash when management traffic is
present - TX (transmit) and RX (receive). A bicolor
PWR LED indicates the operating status.
Table 2-1 Power (PWR) LED Indications
LED
Off
Green
Flashing Green
Pink
During a Lamp Test, described in the MSH Chassis
User Guide (DUA1800-0AAA0X), the yellow LEDs
will be lit and the bicolor LED will flash alternately
pink and green.
The 'Status In' socket allows the connection of
event switches of your choice. The management
facility can monitor the state of these switches.
How to use these is described in "Connecting
Devices for Automatic Monitoring" on page 3-12.
Two RJ45 sockets are for a special feature. A future
release of the management software will allow
the interconnection of MSH chassis for
DUA1850-0AAA05
Indication
Power Off (maybe a fault -- do a
Lamp Test)
Power On (with Self Test complete)
Running Self Test
Fault
The Management Module
2-6
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