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46Chapter 2 Cabling the VPN Router and turning the power on
56/64K CSU/DSU WAN interface card LEDs
Figure 14 shows the LEDs on the 56/64K CSU/DSU WAN interface card.
Figure 14 LEDs on the 56/64K CSU/DSU WAN interface card
Blue LED | Red LED |
56/64K
DDS
Green LED | Yellow LED |
Table 10 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 the interface card detects a DDS |
| |
Red | The red alarm LED is lit when the interface card detects a DDS |
| signal (LOS) or |
Yellow | The yellow alarm LED is lit when the interface card detects a DDS |
| |
| the |
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. |
|
|