Canoga-perkins 9161 Network Interface Device Instrukcja Użytkownika Pobierz pdf (Strona 14)

Table 2. 9161 Interface LEDs

LED Status Description

TX Off No transmission activity

Green blinking Transmission activity

Amber System self-test

Red Port disabled; may be due to Link Loss Forwarding (LLF)

RX Off No link

Green Link established

Green blinking Receiving activity

Amber System self-test

Red Receiving Remote Fault

NET Off Non-network connection

Green Network connection

Amber System self-test

3.3 Alarms

The 9161 can generate Traps and Major and Minor Alarms. For details about the Traps Log and

setting up notification, see Chapter 4.

3.3.1 Remote Fault

If the Extension port Rx loses the signal, it sends a Remote Fault (RMTF) signal from its Tx, the Rx

LED is off, and an alarm flags the link loss on the Extension port; see Figure 2. When the Extension

port receives a Remote Fault signal, the Rx LED lights red and an alarm flags the remote side optical

link failure. Both local and remote link partners must be configured to the same RMTF

enable/disable setting. To set RMTF in software, see Section 4.7. RMTF complies with the

IEEE802.3u Remote Fault standard.

Usr

Prt

Ext

Prt

RxTx

Usr

Prt

Ext

Prt

RxTx

RMTF

Local Device Remote Device

• Tx transmits RMTF to remote device

• Local device Rx turns OFF

• Local device Rx detects link loss

• Remote device Rx lights red

Figure 2. Remote Fault Signal

9161 Network Interface Device

3-2

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