48
Chapter 2 Cabling the VPN Router and turning the power on
NN46110-318 02.01
T1/E1 CSU/DSU WAN interface card LEDs
Figure 16
shows the LEDs on the T1/E1 CSU/DSU WAN interface card.
Figure 16
LEDs on the T1/E1 CSU/DSU WAN interface card
Table 12
describes the LEDs on the T1/E1 CSU/DSU WAN interface card.
Table 12
LED indicators on the T1/E1 CSU/DSU WAN interface card
LED
Indicator
Description
LED 1
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.
LED 2
Blue
The blue alarm LED is lit when receiving an upstream
failure denoted by an alarm indication signal (AIS).
LED 3
Yellow
The yellow alarm LED is lit when the far-end equipment
is in the red alarm condition.
LED 4
Green
The green LED is lit when the condition is normal
operation.
CS160012A
LED 4, Green
LED 3, Yellow
LED 1, Red
LED 2, Blue
Summary of Contents for 2750
Page 6: ...6 NN46110 318 02 01 ...
Page 10: ...10 Contents NN46110 318 02 01 Index 103 ...
Page 16: ...16 New in this release NN46110 318 02 01 ...
Page 20: ...20 How to get help NN46110 318 02 01 ...
Page 34: ...34 Chapter 1 Installing the Nortel VPN Router 2750 chassis NN46110 318 02 01 ...
Page 52: ...52 Chapter 2 Cabling the VPN Router and turning the power on NN46110 318 02 01 ...
Page 76: ...76 Chapter 4 Installing option cards and DIMMs NN46110 318 02 01 ...
Page 108: ...108 Index NN46110 318 02 01 X X 21 WAN interface card See single V 35 X 21 WAN interface card ...