Allied-telesis AT-CM70S Manual de usuario descargar pdf (Pagina 41)

Converteon Media Converter Line Cards Reference Guide

T1/E1 Port LEDs Table 9 lists the T1/E1 surface-mount diagnostic LED’s provisioned on the

Mezzanine Adapter and are viewable through the line card front panel.

Table 8. T1/E1 Port LEDs

LED State Description

RCL

[1 to 4]

Amber Receive Carrier Loss occurred on the

T1/E1 port.

Green The T1/E1 port is operating normally

(NML) and has no Receive Carrier Loss.

LOTC

[1 to 4]

Amber Loss of Transmit Clock occurred on the

T1/E1 port.

Green The T1/E1 port is operating normally

(NML) and has no Loss of Transmit

Clock.

AIS

[1 to 4]

Amber The T1/E1 has received Unframed All

Ones.

OFF The T1/E1 port is operating normally

(NML) and no AIS received.

TEST

[1 to 4]

Green T1/E1 port is synchronized to PRBS test

stream: 2

-1 (E1) or QRSS (T1).

OFF PRBS test stream not detected on the

T1/E1 port.

1 2 ... 36 37 38 39 40 41 42 43 44 45 46 ... 135 136

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Allied-telesis AT-CM70S Manual de usuario Pagina 41