As shown in the following illustration, the CX 2000C has LEDs located on its end bracket:
The following table describes each LED:
|
LED |
Description |
|---|---|
|
Application |
Indicator that is optionally controlled by the application. |
|
Ring Voltage |
LED on verifies that a ring signal is available to the board. |
|
Low Battery |
LED on verifies -30 V DC is available to the board. |
|
High Battery |
LED on verifies -48 V DC is available to the board. |
|
BLOCATE |
Not used. |
|
All Ports Idle |
LED on indicates all circuits are idle on the board. |
|
Rear Board In |
LED on indicates that a rear transition board is installed. |
|
DSP Active |
The blink rate of this LED indicates whether the CPU is active: Blink rate CPU status 1 second cycle Active > 1 second cycle No clock signal After the board is inserted, all LEDs are on momentarily. If this LED stays on after you boot the board, the DSP is halted. |
|
Hot Swap LED (blue) |
Reserved for future use. |
When the board is not configured, all LEDs are ON.