Test Control
MaxTester 389
Lpbk Tool Button (Loopback Tool)
Interface Tab
Physical Interface
Interface/Rate allows the selection of the loopback tool interface rate:
10/100/1000M Electrical (default), 100M Optical, 1GE Optical, or
10GE LAN.
Connector displays the unused unit’s port (on the same transceiver
port type for 890/890Q) for the selected interface/rate. Ethernet
10/100/1000M electrical is supported on optical connector when using
an active copper SFP.
Clock Mode: Displays the clock mode
Internal: Internal clock of the unit (STRATUM 3).
Recovered: Line clock from the input port signal involved in the tool.
Wa ve le ng th (nm) indicates, when supported, the detected
wavelength.
RX Power (dBm) indicates the current received power level of the
optical laser in dBm.
Green: Power level in range.
Yellow: Power level out-of-range.
Red: Loss of signal or power level is close to damage.
Gray: Invalid operational range value or not supported by the optical
transceiver.
Power Range (dBm) indicates, when supported, the received power
level range of the optical laser in dBm.
RX Frequency (MHz/GHz) indicates the frequency of the input signal.
When no frequency reading is possible, “--” is displayed. Not available
when using an active copper SFP.
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