A-2
Appendix A
Processor and Interface Card LED Indications
Main Control Processor (MCP2) Card: S/M Versions
Switch Control Processor (SCP2) Card
OFF MCP2 card is powered down.
MP
ON MCP2 card is booting. Flicker indicates normal operation.
OFF SmartMedia card is not installed or not recognized.
SM
ON SmartMedia card is installed and recognized. Flicker indicates card is being accessed.
OFF LAN is not operating.
LAN
ON LAN is initializing. Flicker indicates normal operation.
OFF All circuits idle or no card installed.
S1~S9
ON One or more circuits busy. Flicker indicates the card has a fault.
SCP2 HDLC TX (Transmit) Status
OFF There is no link from the SCP2 card.
TX
ON The link from the SCP2 card is being set up. Flicker indicates a message has been transmitted.
SCP2 HDLC RX (Receive) Status
OFF There is no link from the SCP2 card.
RX
ON The link from the SCP2 card is being set up. Flicker indicates a message has been received.
SCP2 Processor Status
OFF Power is OFF.
SCP
ON SCP2 is booting. Flicker indicates normal operation.
Card Status
OFF The card is idle or not installed.
S1~S8
ON One or more circuits on the card are in use. Flicker indicates a problem with the card.
S9 Not used.