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CrossFire 8600/8605 Token-Ring Switches v. 1.2, P/N: 710001641 Switch Theory of Operation
Benefits of the CrossFire 8600 and the CrossFire 8605
This section looks into the benefits that can be derived from the technical features
of the switch.
Token-Ring Port Operation Modes
Each port can be independently configured to one of the following operating
modes:
Feature Function Benefit
Half-duplex
concentrator port
Port behaves like an
active MAU port for
classical Token-Ring.
Connects to a single station in
half-duplex mode. Compatible
with older adapters.
Half-duplex station
emulation
The port is
connected to a port
on a MAU.
Connects to classical Token-
Ring segments with multiple
stations in existing
installations.
Full-duplex
concentrator port
Connects to a single
station in full-duplex.
Allows high-performance
station and server connection
and allows high performance
server attachments with up to
97% improvement over a half-
duplex Token-Ring
connection.
Full-duplex station
emulation
Connects to another
switch in full-duplex
mode.
Allows easy connection
between switches.
RI/RO-like
connection
(
CrossFire 8600
on
ports 19 and 20,
CrossFire 8605
on
all 20 fiber ports)
Allows connection
of the RI/RO port
from a MAU or CAU
directly to the
switch.
Enables easy integration into
existing installations.
Table 8. Token-Ring Port Operation Modes