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level marked on the front panel display, the corresponding LED lights up. For
example, if packet collision reaches 1%, the LED labeled 1% will light up.
However, if collisions go beyond 1% (e.g., 30%), the LED labeled 30
the other LEDs before it (i.e., 1, 5, 10 and 20) also light up in rapid succession.
Setting the Communication Mode (Full/Half Duplex)
Color:
Green
Active LEDs:
Full/Half
(Port Status LED)
Full
Function:
The communication mode can be set to either full-duplex or half-
duplex operation. Use the Configure button to light the
Display Mode LED,
be set for the ports. Next set the Port Status LED for the correspond-
ing port in the LED column labeled
Full/Half (Display Mode LED)
STEADY LIGHT
NO LIGHT
Full (Port Status LED)
STEADY LIGHT
NO LIGHT
Notes: 1. Full-duplex mode is supported for both ports.
2. Full-duplex operation only applies to point-to-point access (e.g., when
attaching the SwitcHub to a workstation, server, or another switch). Repeater
hubs use a common collision domain for all communications, and therefore
cannot support full-duplex mode. When connecting the SwitcHub to a repeater
hub, use a standard cascaded connection set for half-duplex communications.
2-6
SwitcHub-2s User's Guide
(Display Mode LED)
ndicating that the transmission mode may now
i
Condition
ON
OFF
Condition
ON
OFF
Hardware Description
+
as indicated below.
Full
Indication
Transmission mode selection enabled.
Transmission mode selection disabled.
Indication
Port is set for full-duplex operation.
Port is set for half-duplex operation.
% and all
Full/Half
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