3-2
Chapter 3
Installing Printed Circuit Cards
LED Indications for M Version System
OFF
indicates the MCP card is powered down.
MP
ON
indicates the MCP card is booting Flicker Indicates normal operation.
OFF
indicates the SmartMedia card is not installed or not recognized.
SM
ON
indicates the SmartMedia card is inserted and recognized Flicker indicates the
SmartMedia card is being accessed.
OFF
indicates a LAN is not installed or power is off
LAN
ON
indicates the LAN board is bootingFlicker indicates normal operation
OFF
indicates all circuits idle or no card installed
S1~S9
ON
indicates one or more circuits busy Flicker indicates the card has a fault or is inserted in
the wrong slots. (i.e. TEPRI,PRI,BRI card must be inserted in the slot 1, or 2 or 3,
otherwise LED flickers.)
LED Indications for L Version System
OFF
indicates the MCP card is powered down
MP
ON
indicates the MCP card is booting Flicker Indicates normal operation.
OFF
indicates the SmartMedia card is not installed or not recognized
SM
ON
indicates the SmartMedia card is inserted and recognized Flicker indicates the
SmartMedia card is being accessed.
OFF
indicates a LAN is not installed or power is off
LAN
ON
indicates the LAN board is booting Flicker indicates normal operation.
S1
Not used.
SCP HDLC RX (Receive) Status
OFF
indicates that there is no link from the SCP card
S2
ON
indicates that the link from the SCP card is being set up Flicker indicates a message has
been received.
SCP HDLC TX (Transmit) Status
OFF
indicates that there is no link from the SCP card
S3
ON
indicates that the link from the SCP card is being set up Flicker indicates a message has
been transmitted.
LCP(C#2) HDLC RX (Receive) Status
OFF
indicates that there is no link from the LCP card
S4
ON
indicates that the link from the LCP card is being set up Flicker indicates a message has
been received.
LCP (C#2) HDLC TX (Transmit) Status
OFF
indicates that there is no link from the LCP card
S5
ON
indicates that the link from the LCP card is being set up Flicker indicates a message has
been transmitted.
LCP(C#3) HDLC RX (Receive) Status
OFF
indicates that there is no link from the LCP card
S6
ON
indicates that the link from the LCP card is being set up Flicker indicates a message has
been received.
(continued)
