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Console Port Server (AP9301, AP9302, AP9303)—Installation and Configuration: How to Interpret the LEDs

APC Console Port Server Installation and Configuration 7

CP LED

Normally the CP LED (CPU status LED) blinks consistently (one second on, one second off). Any other

blinking pattern indicates an error during start-up.

Serial ports

To the left of the Ethernet and Console Connectors are two rows of serial ports



, totaling 8, 16, or 32,

depending on the CPS model. Each serial port has two LEDs.

Event CPU LED Blinking Pattern

(S=Short, L=Long)

Normal Operation S (continuously)

Flash Memory Error - Code L (continuously)

Flash Memory Error - S, L

Configuration

Ethernet Error S, S, L

No Interface Card Detected S, S, S, L

Network Boot Error S, S, S, S, L

Real-Time Clock Error S, S, S, S, S, L

No t e

The Ethernet error listed in the preceding table will occur automatically if the Fast

Ethernet link is not connected to an external hub during start-up. If the Fast

Ethernet is not being used or is connected later, this error can be ignored.

LED Function



DT When illuminated, this Green LED indicates a Data Terminal Ready (DTR)

signal; data is being transmitted to or received from the serial line. This is a

software-controlled LED.



LK When illuminated, this yellow LED indicates that the Link State (the

connection to the LAN) is active. This is a hardware-controlled LED.

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