GarrettCom Magnum CS14 Series Installation And User Manual page 33

CS14, CSN14 Series Converter Switches
Another feature implemented in Magnum CS14 and CSN14 Series Converter
Switches is a collision-based flow-control mechanism (when operating at half-duplex only).
When the Switch detects that its free buffer queue space is low, the Switch prevents more
frames from entering by forcing a collision signal on all receiving half-duplex ports in order
to stop incoming traffic.
The latency (the time the frame spends in the Switch before it is sent along or
forwarded to its destination) of the CS14 and CSN14 Series Converter Switches varies with
the port-speed types. The length of the frame is a variable as it is with all store-and-
forward switches. For 10 Mb-to-10 Mb or 10 Mb-to-100Mb or 100Mb-to-10 Mb
forwarding, the latency is 15 microseconds plus the packet time at 10 Mb. For 100Mb-to-
100Mb forwarding, the latency is 5 microseconds plus the packet time at 100Mb.
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