Nortel Networks 2700 manual 56/64K CSU/DSU WAN interface card LEDs

Chapter 2 Cabling the VPN Router and turning the power on 45

56/64K CSU/DSU WAN interface card LEDs

Figure 14 shows the LEDs on the 56/64K CSU/DSU WAN interface card.

Figure 14 LEDs on the 56/64K CSU/DSU WAN interface card

Blue LED Red LED

56/64K

DDS

Green LED Yellow LED

Table 10 describes the LEDs on the 56/64K CSU/DSU WAN interface card.

Table 10 LED indicators on the 56/64K CSU/DSU WAN interface card

LED	Description
Blue	The blue alarm LED is lit when receiving an upstream failure
	denoted by an alarm indication signal (AIS).
Red	The red alarm LED is lit when a loss-of-signal (LOS) or
	out-of-frame (OOF) condition is detected on the receive signal.
Yellow	The yellow alarm LED is lit when the far-end equipment is in the
	red alarm condition.
Green	The green LED is lit when the condition is normal operation.

Nortel VPN Router Installation — VPN Router 2700