Nortel Networks 8683POS manual Show tech command has the following syntax

124Chapter 6 Command line interface

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.

show tech command

The show tech command has the following syntax:

show tech

Figure 51 shows sample output for the show tech command.

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