Table 1–1 DECrepeater 90FA LEDs and Connectors
!
DC OK monitors the voltage.
On: The +5.0 Vdc and +12.0 Vdc voltage is normal.
Off: The voltage is abnormal (as when a power failure occurs).
"
Network activity indicator monitors the network activity.
On: There is network activity.
Off: There is no network activity.
#
Port 0 status indicator monitors the status of port 0.
On: Port 0 is functional.
Off: Port 0 is not functioning or has been partitioned.
Flashing: Port 0 has been partitioned by management.
$
Port 1 status indicator monitors the status of port 1. See Table 5–1 in
Chapter 5, Troubleshooting, for more information.
On: Port 1 is functional.
Off: Port 1 is not functioning or has been partitioned.
Flashing: Port 1 has been partitioned by management.
%
Fiber-link status indicator monitors the optical link status of port 1.
See Table 5–2 in Chapter 5, for more information.
On: The link is operational.
Off: The link is not functioning.
&
Port 2 AUI status indicator monitors the status of port 2.
On: The port is operational.
Off: The port is not functioning.
Flashing: The port has been partitioned by management.
'
Fiber-optic transmit connector connects to the receive port of the other
fiber-optic device.
(
Fiber-optic receive connector connects to the transmit port of the other
fiber-optic device.
)
Port 0 network connector (BNC) connects the repeater to the work
group ThinWire segment. Not used when the repeater is installed in the
DEChub 90 backplane.
+>
Port 2 Backbone Port AUI connector provides AUI connection to the
backbone port of the DECrepeater 90FA.
+?
Power connector re5.0 V and +12.0 V from the DECrepeater 90FA
power supply. Not used when the repeater is installed in the DEChub 90
backplane.
+@
Backplane connector provides network and power connections to the
DECrepeater 90FA when it is installed in the DEChub 90 backplane.
+A
Back cover covers the backplane connector and mounting assembly. (Use
with standalone units only.)
Overview 1–3