Getting Started with the Contivity Extranet Switch 1500 Series
Figure 3-4 shows the Single V.35 LEDs. Look at the condition of the LEDs, then examine the corresponding LED tables to better understand the indications.
LED 4, Red
LED 2, Blue
LED 3, Green
LED 1, Yellow
Figure | Single V.35 LEDs |
Table | Single V.35 LED Indicators |
LED | Description |
|
|
LED1 | Power is on to the adapter and the onboard |
| microcode is loaded. |
|
|
LED2 | The signals CDC and DSR are on between the |
| DSU and the adapter. LED2 detects receive |
| link status. |
|
|
LED3 | Cable is detected. |
|
|
LED4 | No external transmit clock source is available. |
|
|
