CBFTF10xx-15x
OPERATION - Continued
Product Features
Auto-Negotiation
The Auto-Negotiation feature allows the Media Converter to be used with 10Base-T and 100Base-TX twisted-pair ports. Using Auto-Negotiation, the Media Converter brings up the copper links in the highest speed and mode possible for all the attached network devices.
If selected, Auto-Negotiation allows a twisted-pair link to become operational only after the Auto-Negotiation function matches network speed capabilities at both ends of the twisted-pair copper segment.
Autocross
The AutoCross™ feature, when selected, allows either straight-through (MDI) or crossover (MDI-X) cables to be used when connecting to 10Base-TX or 100Base-TX devices, such as hubs, transceivers, or network interface cards (NICs). AutoCross determines the characteristics of the cable connection and automatically configures the unit to link up, regardless of the cable configuration. (This feature does not require operator intervention.)
Far-End Fault
When the Far-End Fault feature is activated, a fault on an incoming fiber link causes the Media Converter to transmit a Far-End Fault signal on the outgoing fiber link. In addition the Far-End Fault signal also activates the Link Pass- Through, which, in turn, disables the link on the copper portion of the network.
OPERATION - Continued
Product Features - Continued
Full-Duplex Network
In a full-duplex network, maximum cable lengths are determined by the type of cables that are used. See page 1 (front cover) for the cable specifications for the different CBFTF10xx-15xmodels.
The 512-Bit Rule does not apply in a full-duplex network.
Half-Duplex Network (512-Bit Rule)
In a half-duplex network, the maximum cable lengths are determined by the round trip delay limitations of each Fast Ethernet collision domain. (A collision domain is the longest path between any two terminal devices, e.g. a terminal, switch, or router.)
The 512-Bit Rule determines the maximum length of cable permitted by calculating the round-trip delay in bit-times (BT) of a particular collision domain. If the result is less than or equal to 512 BT, the path is good.
For more information on the 512-Bit Rule, see the white paper titled “Collision Domains” on the Transition Networks website at:
http://www.transition.com/learning/whitepapers/colldom_wp.htm
Using SNMP
See the on-line documentation that comes with Transition Networks FocalPoint™ software for applicable commands and usage.
Use SNMP at an attached terminal or at a remote location to monitor the Media Converter by monitoring:
