The VLNC35 provide optical 100BASE-LX IEEE 802.3-compliant (100 Mb/s) fast Ethernet interfaces. The VLNC35 performs protocol transparent filtering and bridging of incoming media access control (MAC) frames. MAC frames with a destination address on the local bus are filtered by the circuit packs to prevent unnecessary transmission of frames over the wide area network (WAN). The interface auto-negotiates mode (full/half duplex) and speed (10/100 Mb/s) when interfacing with other 802.3-compliant devices over twisted pair media. The VLNC35 circuit pack must be housed in slot 1 of Function Unit C and is not equipment protected. However, facility protection can be provided through the WAN via UPSR/SNCP or 1+1). The VLNC35 circuit packs also provide four 10/100BASE-T, IEEE 802.3-compliant electrical interfaces that are capable of spanning distances of 100 meters. See, 10/100T (10/100 Mb/s) Ethernet (VLNC35) for additional information about these electrical interfaces.
The following table lists the Ethernet PTM optics that may be used in VLNC35 circuit packs.
|
Apparatus Code |
Comcode |
Description |
|---|---|---|
|
100BASE-LX-I1 |
109527812 |
Optical Fast Ethernet PTM, LC-type connectors (FE-1310SM) |
Each Ethernet port has associated performance monitoring parameters and counters. The counters are provided for incoming and outgoing frames. For more information, refer to Ethernet performance monitoring parameters in Chapter 5, Operations, administration, maintenance, and provisioning.
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