Aethra THE VOICE ISDN Przewodnik Instalacji Pobierz pdf (Strona 17)

LED status

LED

function

OFF ON FLASHING (...)

GREEN

Correct connection with

public exchange modem

LINE

RED

Device initialization

Alternate RED GREEN,

during establishment

of physical level or

connection failed (no

line).

LAN

GREEN

No data flow

Normal operation with

data flow

GREEN

4

3

2

1

GREEN

Free line Busy line

Short switching on

during ring phase

2

1

ISD N

GREEN

Level 1 of line not

active

Level 1 of line active

GREEN

Power supply from

mains

EMERG

RED

No power supply from

mains. Operation with

backup battery

2

.

Slow (1Hz):

powering up

initialization.

Asymmetric:

initialization

RDY

(FAIL)

GREEN

Successful

initialization

Fast-3Hz:

malfunctioning

PWR

RED

No power supply Power supply

Table 4-1: LED’s

2

Only with optional PBU.

Pag. 17

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