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176 Enterprise Fabric Suite 2007 User Guide • September 2008
Digital Diagnostics Monitoring
Digital Diagnostics Monitoring (DDM) maintains values for temperature, voltage,
txbias, txpower and rxpower. In the display, the value is followed by the status. The
status values are Normal, LowAlarm, LowWarning, HighAlarm and HighWarning
(media vendor-supplied threshold values that are read from the media device). Low
Credits to Donate The number of credits available to be donated by the selected port.
Donor Group The donor group of the selected port.
Valid Donor Groups The number of separate groups within which extended credits may be
donated and assigned.
Media Group
Media Type The transceiver fibre type, such as single mode, multi-mode, copper.
Media Speed The maximum transceiver speed
Media The transceiver type. The 10-Gbps ports always display "unknown", if
attached.
Media Transmitter The transceiver transmitter type, such as longwave, shortwave, electrical.
Media Distance The maximum transceiver transmission distance
Media Vendor The company that manufactured the SFP
Media Vendor ID The IEEE registered company ID
Media Part Number The part number assigned to the SFP
Media Revision Transceiver hardware version
DDM Group
Details For ports with media that support DDM, a button will be available that
displays a dialog with detailed information for the media in the port.
Temperature (C) The measured temperature for the media in the port.
Voltage (V) Internally measured supply voltage. The measured supply voltage for the
media in the port.
Tx Bias (mA) Measured transmitter laser bias current. The measured transmitter, laser bias
current for the media in the port.
Tx Power (mW) Measured transmitter laser output power. The measured Tx output power
for the media in the port.
Rx Power (mW) Measured received optical power. The measured Rx optical power for the
media in the port
TABLE 6-2 Port Information Data Window Entries (Continued)
Entry Description