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124 Chapter 6 Command line interface
209564-A
show tech command
The show tech command has the following syntax:
show tech
Figure 51 shows sample output for the show tech command.
Table 51 Information fields for output of the show ports stats pos sonetmediumtbl
command
Field Description
PORT NUM Port number.
MEDIUM TYPE Identifies whether a sonet or sdh signal is used across the
interface.
TIME ELAPSED Number of seconds, including partial seconds, that have
elapsed since the beginning of the current measurement
period. If the current interval exceeds the maximum value,
the agent will return the maximum value.
VALID INTERVALS Number of previous 15-minute intervals for which data was
collected.
LINE CODING Line coding for this interface. The B3ZS and CMI are used
for electrical SONET/SDH signals (STS-1 and STS-3). The
Non-Return to Zero (NZR) and the Return to Zero are used
for optical SONET/SDH signals.
LINE TYPE Line type for this interface. The line types are Single Mode
fiber or Multi-Mode fiber interfaces.
CIRCUIT ID Transmission vendor’s circuit identifier, to facilitate
troubleshooting.