Manualsbrain.com
  1. Manuals
  2. Brands
  3. Nortel Networks
  4. 2700
  5. User Manual

Nortel Networks 2700 User Manual

Download
Page of 108
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
 shows the LEDs on the 56/64K CSU/DSU WAN interface card.
Figure 14   
LEDs on the 56/64K CSU/DSU WAN interface card
 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