Aastra OpenCom 510 User Guide - Page 83
Pin Assignment, Indicators, S0 Ports, MX+S01-8: LEDs
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Modules MX+S01-8 Pin Assignment For information on the S0 interface pin assignment, refer to S0 Ports starting on page 40. Indicators There are four LEDs on the front of the MX+S01-8 interface card. MX+S01-8 1 3 2 4 S0 2 S0 1 MX+S01-8: LEDs The LEDs indicate the following: LED 1: Constantly yellow LED 2: Constantly green Flashing yellow Constantly red LED 3: Constantly green LED 4: Constantly yellow At least one connection established through the interface card is active. The interface card is operational; the slot has been activated (flickering is normal). The interface card is ready, but the slot has not been activated or the interface card has not been configured yet. New software is being loaded onto the interface card. If the LED lights up red for an extended period of time, there may be a fault. The interface card is providing the system clock signal (indicated only in the master system and only on an interface card). The interface card is running a combination of subscriber and trunk connections, i.e. both internal and external S0 interfaces have been configured. 81