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Chapter 1 Cabling the VPN Router and turning the power on
35
Nortel VPN Router Installation — VPN Router 1750
56/64K CSU/DSU WAN interface card LEDs
Figure 8
shows the LEDs on the 56/64K CSU/DSU WAN interface card.
Figure 8
LEDs on the 56/64K CSU/DSU WAN interface card
Table 9
describes the LEDs on the 56/64K CSU/DSU WAN interface card.
Table 9
LED indicators on the 56/64K CSU/DSU WAN interface card
LED
Description
Blue
The blue alarm LED is lit when the interface card detects a DDS
out-of-frame (OOF) condition on the receive signal.
Red
The red alarm LED is lit when the interface card detects a DDS loss-of-
signal (LOS) or loss-of-frame (LOF) condition on the receive signal.
Yellow
The yellow alarm LED is lit when the interface card detects a DDS
out-of-service condition on the receive signal. (This LED indicates that
the far-end equipment detects a local LOS or LOF condition.)
Green
The green LED is lit when the interface card receives valid DDS signal
and framing (this LED indicates normal operation of the card.)
All LEDs off
The port is disabled.
56/64K
DDS
Blue LED
Yellow LED
Red LED
Green LED
Summary of Contents for 1750
Page 6: ...6 NN46110 316 02 01 ...
Page 10: ...10 Nortel VPN Router Installation VPN Router 1750 HSSI WAN interface card 100 Index 103 ...
Page 16: ...16 New in this release NN46110 316 02 01 ...
Page 20: ...20 How to get help NN46110 316 02 01 ...
Page 50: ...50 Chapter 2 Installing the Nortel VPN Router 1750 chassis NN46110 316 02 01 ...
Page 66: ...66 Chapter 3 Installing option cards and DIMMs NN46110 316 02 01 ...
Page 102: ...102 Appendix A Technical specifications NN46110 316 02 01 ...