Test Control
390 MAX-800 Series
Lpbk Tool Button (Loopback Tool)
Auto-Negotiation check box when selected, enables the link
auto-negotiation and allows setting the port Speed, Duplex, Flow
Control, and Local Clock parameters. Those settings are not applied
immediately to the port, they are used only when the negotiation
process is started and take effect only when the auto-negotiation
succeeds. However current settings are applied immediately to the
port when the Auto-Negotiation check box is cleared. The
Auto-Negotiation check box is automatically selected for 1GE
Electrical interface and is not configurable. Available with
10/100/1000M Electrical interface.
Speed, available with 10/100/1000M Electrical interface, allows the
selection of the interface rate: 10M, 100M, 1GE, or Auto
1
. The
negotiated speed will be displayed next to the Speed field selection.
Duplex choices for 10M and 100M electrical interfaces are
Full Duplex (default), Half Duplex, and Auto
1
. For other rates the
Duplex is set to Full Duplex. The negotiated duplex will be displayed
next to the Duplex field selection.
Flow Control choices are TX, RX, RX and TX, None (default), and
Auto
1
. When the Flow Control is set to None, pause frames received
are ignored.
Cable Mode is available with 10/100/1000M Electrical interface.
Manual mode is selected when the Auto-Negotiation check box is
cleared and allows selecting the type of cable: MDI (default) for
straight through cable or MDIX for crossover cable.
Automatic mode is selected when the Auto-Negotiation check box is
selected and allows detecting automatically the MDI or MDIX cable
type.
Local Clock is only available with 1GE electrical interface and allows
setting the provenance of the clock: Master (default), or Slave, or
Auto
2
.
1.
Auto
is only available when the
Auto-Negotiation
check box is selected.
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