1-10 CHAPTER 1: GETTING STARTED
LAN COLLISION This LED indicator provides a visual indication that a data collision has occurred on the attached LAN. Collisions are a normal part of Ethernet operation. The LED flashes to provide a visual indication of the number of data collisions that are occurring on the LAN:
■Slow flash – Low collision activity.
■Medium flash – Moderate collision activity.
■Quick flash – High collision activity. Continuous high collision activity can indicate that there is too much traffic on your LAN.
LAN RECEIVE This LED indicator provides confirmation that data is being received from the attached LAN. The LED flashes to provide a visual indication of the activity status occurring on the LAN.
■Slow flash – Low LAN activity.
■Medium flash – Moderate LAN activity.
■Quick flash – High LAN activity.
LAN SEND This LED indicator provides confirmation that data is being transmitted to the attached LAN. The LED flashes to provide a visual indication of the activity status occurring on the LAN.
■Slow flash – Low LAN activity.
■Medium flash – Moderate LAN activity.
■Quick flash – High LAN activity.
ISDN OK This LED indicator provides confirmation of the state of the ISDN line.
■On – Indicates the AccessBuilder 500 is connected to a working ISDN line. Sometimes this LED does not light until the first call attempt is made.
■Off – No ISDN connection present.
ISDN DATA This LED indicator provides confirmation that an ISDN call is in progress and that the AccessBuilder 500 is connecting to a remote unit.
