Cabletron Systems NB20E - Manual (Page 29)

TESTING AND LANVIEW
4-3
ON LINE LED
When this green LED is lit, the bridge is on line and operational. The unit
has completed a self diagnostics test and is capable of forwarding packets.
STAND BY LED
When this yellow LED is lit, the bridge is in the “Stand by” mode and not
capable of forwarding packets.
NOTE: There are separate XMT, RCV, CP, and POK LEDs for each port
on the NB20E and NB25E.
TRANSMIT (XMT) LED
When this green LED is flashing, the bridge is transmitting packets to that
network segment.
RECEIVE (RCV) LED
When this yellow LED is flashing, bridge is receiving a data packet from
that segment.
COLLISION PRESENT (CP) LED
When this red LED is flashing, a collision is occurring on that segment.
PORT OK (POK) LED
This green LED is lit to indicate that the transceiver is connected, and that
the port has passed an internal Loop Back Test and is ready for
transmission.
4.3 USING THE FORWARD BROADCAST SWITCH
The Forward Broadcast switch, Figure 4-1, allows the user to select
whether the bridge will forward broadcast messages from one network
segment to the other. When the switch is in the On (|) position, the bridge
will allow broadcast messages to pass.