EXFO FTB-860, User Manual

Page: 288 / 409

Test Control
276
FTB-860/880
Lpbk Tool Button (Loopback Tool)

Cable Mode: Select Cable Mode if the Interface Type is Electrical.
Choices are
Auto Detect
and
Manual
. If
Manual
is selected, go to
the next field and select the type of cable ( MDI for straight through,
MDIX
for crossover).
Note: Cable Mode is not available when Auto-Negotiation is enabled.

Clock Mode
: Displays the mode of the clock when
10G LAN
interface type is selected.
Recovered:
Live clock from the optical port input signal involved
in the tool. Recovered is the only available clock with Loopback
test.

Frequency (MHz) : Indicates the frequency of the input signal in
MHz
. When no frequency reading is possible, “
--
” is displayed.

Link

Auto-Negotiation:
Enable
Auto-Negotiation
, if the remote
connected port is also set to Auto-Negotiation , otherwise it should
be disabled. This is available only with the
10/100/1000 Mbit/s
Electrical interface.

Speed
: Select the
Speed
of the interface. This is available only with
the 10/100/1000 Mbit/s Electrical interface.
Note:
Speed is not available for optical interfaces.
Note: When Speed is configured as Auto , the negotiated speed is displayed
beside the speed configuration parameter.

Duplex : Select the Duplex mode when Auto-Negotiation is
Enabled
. For
10 Mbit/s
and
100 Mbit/s
electrical interfaces,
choices are Full (default), and Auto . For 1000 Mbit/s electrical
interface, the duplex is set to
Full
.