Manualsbrain.com
  1. Manuals
  2. Brands
  3. Nortel Networks
  4. 2750
  5. User Manual

Nortel Networks 2750 User Manual

Download
Page of 108
50
  Chapter 2  Cabling the VPN Router and turning the power on
NN46110-318 02.01
Single V.35/X.21 WAN interface card LEDs
 shows the LEDs on the single V.35/X.21 WAN interface card.
Figure 18   
LEDs on the single V.35/X.21 WAN interface card
 describes the LEDs on the single V.35/X.21 WAN interface card. 
Table 14   
LED indicators on the single V.35/X.21 WAN interface card
LED
Indicator
Description
LED 1
Red
No external transmit clock source is available.
LED 2
Green
The signals CDC and DSR are on between the DSU 
and the adapter. LED 2 detects receive link status.
LED 3
Green
Power to the adapter is on and the onboard 
microcode is loaded.
LED 4
Green
Cable is detected.
LED 4, Green
LED 3, Green
LED 1, Red
LED 2, Green