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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
Содержание 2750
Страница 6: ...6 NN46110 318 02 01 ...
Страница 10: ...10 Contents NN46110 318 02 01 Index 103 ...
Страница 16: ...16 New in this release NN46110 318 02 01 ...
Страница 20: ...20 How to get help NN46110 318 02 01 ...
Страница 34: ...34 Chapter 1 Installing the Nortel VPN Router 2750 chassis NN46110 318 02 01 ...
Страница 52: ...52 Chapter 2 Cabling the VPN Router and turning the power on NN46110 318 02 01 ...
Страница 76: ...76 Chapter 4 Installing option cards and DIMMs NN46110 318 02 01 ...
Страница 108: ...108 Index NN46110 318 02 01 X X 21 WAN interface card See single V 35 X 21 WAN interface card ...