Cabletron Systems NB20E - Manual (Page 17)

INSTALLATION REQUIREMENTS/ SPECIFICATIONS
2-3
FRONT PANEL INDICATORS
ON LINE When lit, this LED indicates the two port
bridge is on line and operational (green
indicator).
STAND BY When lit, this LED indicates the bridge is not
forwarding packets (yellow indicator).
NOTE: There is one TRANSMIT, RECEIVE, COLLISION, and POK
(Port OK) LED for each segment. The LEDs for RECEIVE, TRANSMIT
and COLLISION are pulsed-stretched for increased viewing effect.
XMT (transmit) When lit, this LED indicates the bridge is
transmitting packets to that segment (green
indictor).
RCV (receive) When lit, this LED indicates that the bridge
is receiving data packets from that segment
(yellow indicator).
CP (collision present) When lit, this LED indicates that a collision
is occurring on that segment (red indicator).
POK (port ok) When lit, this LED indicates transceiver
connected, port has passed Loop Back Test
and is ready for transmission (green
indicator).
FRONT PANEL SWITCHES
FORWARD BROADCAST | / O When this switch is on (|), it allows the
bridge to forward broadcast messages.