Overview
!
Power Indicator – Lights and remains lit when +5 volts is supplied to the
communications server.
"
Self-Test OK Indicator – Lights when the communications server has
successfully completed the ROM-based self-tests.
#
Network OK Indicator – Lights when the communications server is
connected to an appropriately terminated network. Blinks while the
communications server is loading or dumping software.
$
Port Activity Indicators – Consists of eight LEDs, each corresponding to a
device port on the communications server. Each port activity LED will light
when the associated port is in use by the connected device. These LEDs blink
when port activity is detected and continue blinking until port data transfer
has ceased.
%
Ethernet Address Display – Displays unique addresses of physical devices
on the network in a small window on the communications server.
&
Network Connector (BNC) – Connects the communications server to the
ThinWire network. Not used in DEChub 90 configurations.
'
Port Connectors (MJ8) – Connects the peripheral devices to the
communications server.
(
Power Connector – Connects the power source to the standalone
communications server. Not used in DEChub 90 configurations.
)
Backplane Connector – Connects the communications server power source
and network interface to the backplane in DEChub 90 configurations.
+>
Back Cover – Shields the backplane connector and mounting assembly when
not used in a DEChub 90 configuration.
+?
Reset Switch – Resets the communications server to the factory default
characteristics.
Overview 1–3