Nortel Networks 2700 Network Card User Manual


 
Chapter 2 Cabling the VPN Router and turning the power on 45
Nortel VPN Router Installation — VPN Router 2700
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
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.
56/64K
DDS
Blue LED
Yellow LED
Red LED
Green LED