Canoga-perkins 9160 10 Gigabit Ethernet Network Interface Device Manual de usuario descargar pdf (Pagina 12)

Remote Fault

The 9160 supports Remote Fault (RMTF) on all MP and SP optical ports with speeds greater than

10 Mbps; it is not supported for the 10G XFP or UTP ports.

To use RMTF on a specific port, you must first enable it on both the local port and the remote device,

and then set that port speed to Auto-negotiation. To set RMTF and the port speed in software, see

page 3-17.

If RMTF is enabled on a port and that port Rx loses the signal, it sends an 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. 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

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Canoga-perkins 9160 10 Gigabit Ethernet Network Interface Device Manual de usuario Pagina 12