Digital Equipment DECagent 90, User Information

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Table 1–1 DECagent 90 LEDs and Connectors
!
DC OK—Monitors the voltage.
On: The +12.0 Vdc voltage is normal.
Off: The voltage is abnormal (as when a power failure occurs).
"
Self-test OK indicator—Indicates self-test has passed.
On: Self-test completed successfully.
Off: Self-test is not complete or has failed.
#
Backbone port OK indicator—Monitors the network port.
On: The network port is properly terminated.
Off: The network port is not properly terminated.
Flashing: Flashing at a 1-second interval with the asynchronous
serial port status LED indicates that an IP address has not been set.
$
Asynchronous serial port (RS-232) status LED—Monitors network
activity. This LED will also flicker with auto-baud.
On: Port is operational (DSR active).
Flicker: Port or network has activity.
Off: Port or network is not operational.
Flashing: Flashing at a 1-second interval with the backbone port OK
indicator, indicates that an IP address has not been set.
%
Asynchronous serial port (RS-232) connector— Provides an
interface to the DECagent 90 through a terminal or terminal
emulation program.
&
Reset switch—Resets the agent back to factory settings. Nullifies
the password for the DECagent 90. The agent is accessible without a
password until a new password is defined.
'
Port 0 network connector (BNC)— Connects the agent to the
ThinWire segment. Not used when the agent is installed in the
DEChub 90 backplane.
(
Backplane connector—This provides network and power
connections to the DECagent 90 when it is installed in the DEChub 90
backplane.
)
Power connector—Re5.0 and +12.0 volts from the DECagent
90 power supply. Not used when the agent is installed in the DEChub
90 backplane.
+>
Back cover—Used with standalone units only. It covers the
backplane connector and mounting assembly.
Overview 1–5