Nortel Networks Nortel Contivity Secure IP Services Gateway 2700 Uživatelský manuál stáhnout pdf (Strana 47)

Chapter 2 Cabling the VPN Router and turning the power on 47

Nortel VPN Router Installation — VPN Router 2700

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

1 2 ... 42 43 44 45 46 47 48 49 50 51 52 ... 107 108

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Nortel Networks Nortel Contivity Secure IP Services Gateway 2700 Uživatelský manuál Strana 47