Nortel Networks 1500 manual Single V.35 LEDs, Single V.35 LED Indicators

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 3-4.	Single V.35 LEDs
Table 3-5.	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.

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