Nortel Networks 1010, 1050 T1/E1 CSU/DSU WAN interface card LEDs, Hardware overview, NN46110-313

32Chapter 1 Hardware overview

Table 8 describes the LEDs on the ADSL WAN interface card.

Table 8 LED indicators on the ADSL WAN interface card

CONN LED	Tx/Rx LED	Description
Steady green	Steady green	The ADSL interface card is not initialized; the
		software driver is not installed.
Off	Off	The ADSL interface card is initialized, but has not
		established a link with the ADSL network.
Flashing green	Off	The ADSL interface card is attempting to establish a
		link with the ADSL network.
Steady green	Off	The ADSL interface card has established a link with
		the ADSL network.
Steady green	Flashing green	The ADSL interface card is sending or receiving
		network data. (The LED can be dim.)

T1/E1 CSU/DSU WAN interface card LEDs

Figure 12 shows the LEDs on the T1/E1 CSU/DSU WAN interface card.

Note: The brackets of the full-height and half-height T1/E1 CSU/DSU cards are almost identical. The LEDs on the two cards indicate the same conditions.

Figure 12 LEDs on the T1/E1 CSU/DSU WAN interface card

LED 1, Red LED 2, Blue

LED 4, Green LED 3, Yellow

CS160012A

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