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
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