Cabletron Systems NB25 E Using The Forward Broadcast Switch, Testing And Lanview On Line Led

TESTING AND LANVIEW

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.

4.3USING 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.

4-3