Parameter Description
Link Status Link up or down
Speed Speed of transceiver in Mbps
Duplex Type of duplexing
Cable Status Values are OK, Open, Short, or Impedance
Distance to Fault The distance in meters to a cable fault (accuracy is +/- 2 meters); displays 0 (zero) if there is
no fault
Pair Skew Difference in propagation between the fastest and slowest wire pairs
Pair Polarity Signals on a wire pair are polarized, with one wire carrying the positive signal and one
carrying the negative signal.
MDI Mode The MDI crossover status of the two wire pairs (1&2, 3&6, 4&5, 7&8), will be either MDI or
MDIX
Viewing transceiver information
This features provides the ability to view diagnostic monitoring information for transceivers with Diagnostic Optical
Monitoring (DOM) support. The following table indicates the support level for specific transceivers:
Product # Description Support
1
J8436A 10GbE X2–SC SR
Optic
V
J8437A 10GbE X2–SC LR Optic V
J8440B 10GbE X2-CX4 Xcver NA
J8440C 10GbE X2-CX4 Xcver NA
J4858A Gigabit-SX-LC Mini-
GBIC
V
J4858B Gigabit-SX-LC Mini-
GBIC
V
J4858C Gigabit-SX-LC Mini-
GBIC
V (some)
J9054B 100-FX SFP-LC
Transceiver
N
J8177C Gigabit 1000Base-T
Mini-GBIC
NA
Table Continued
Chapter 13 Troubleshooting 487
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