Avaya T1/FT1 User Manual download pdf (Page 37)

Using the T1/FT1 Adapter Module In a Passport 2430 Multiservice Access Switch

118943-B Rev 00

4-3

Interpreting LEDs

The T1/FT1 adapter module LEDs (Figure 4-2) will blink on and off during

diagnostic testing, but they will not stay on to indicate data transfer until you have

configured and enabled T1/FT1 software services.

Figure 4-2. Passport 2430 T1/FT1 Adapter Module LEDs

Table 4-1 describes the function of each T1/FT1 LED.

Table 4-1. T1/FT1 LEDs

Label Color Meaning

Red Alm Red Lights when the T1 port is in a red alarm state.

Yel Alm Amber Lights when the DSU/CSU has received a yellow

alarm from the T1 network.

Loop Amber Lights when the T1 interface is placed in loopback

mode.

Sync Green Lights when the T1 port is synchronized with the T1

network.

Red Alm

Yel Alm

Loop

Sync

ARN0106A

T1/FT1

DSU/CSU

1 2 ... 32 33 34 35 36 37 38

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Avaya T1/FT1 User Manual Page 37