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h
12
A. Using straight cable
When using straight cable, this is done from the uplink (MDI-II) port
of the DES-1008D (DES-1008D A) to any of the 10Mbps or 100Mbps
(MDI-X) port of the other switch (switch B) or other devices.
B. Using crossover cable
When using crossover cable, this is done from any (MDI-X) port of
the DES-1008D (DES-1008D A) to any of the 10Mbps, 100Mbps
(MDI-X) port of the other switch (switch B) or other devices.
1. The “100LINK/ACT,10LINK/ACT” LED indicator light
green for hookup to 100Mbps speed or light amber for
hookup to 10Mbps speed.
2. The “Full-Duplex/Collision” LED indicator depends upon LAN
card capabilities for full-duplex or half-duplex
Port Speed & Duplex Mode
After plugging the selected cable to a specific port, the system uses
auto-negotiation to determine the transmission mode for any new
twisted-pair connection:
If the attached device does not support auto-negotiation or has
auto-negotiation disabled, an auto-sensing process is initiated to
select the speed and set the duplex mode to half-duplex.
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