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Front View
The front view of TEPRIa voice trunk line board is shown in the figure below:
Figure 2.5 Front View of TEPRIa
The components on the front panel of TEPRIa have the functions below:
Table 2.6 Ports and LEDs of TEPRIa Board
Ports to connect T1/E1/PRI cables
Port connected to Ethernet
Program type on operating in port1
- On: Port1 operation in PRI
- Off: Port1 operation in T1/E1
Layer 2 operation status
- On: Normal operation of Layer 2
- Off: Abnormal operation of Layer 2
Reception status of alarm bit from the counterparty switch
- On: Reception of alarm bit from the counterparty switch
- Off: No-reception of alarm bit from the counterparty switch
Signal loss status (LOS) from the counterparty switch
- On: Weak signal or signal loss from the counterparty switch
- Off: Normal signal reception for the counterparty switch
Frame synchronization status with the counterparty switch
- On: Out of synchronization with the counterparty switch
- Off: Synchronization with the counterparty switch
- On (Green): Normal operation (blink at the interval of 200 ms)
- On (Orange): Debug mode operation (blink at the interval of 200 ms)
On when the Reference clock is used as the system clock
Button for resetting board