Nortel Networks 8683POS manual Describes the fields displayed in the Sonet Medium

142Chapter 7 Web management

Figure 63 SONET Medium page

Table 62 describes the fields displayed in the SONET Medium page.

Table 62 SONET Medium page fields

Field	Description
Index	Unique value assigned to each interface.
Type	Signal type, whether sonet or sdh.
Time Elapsed	Number of seconds that have elapsed since the beginning of
	the current measurement period.
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 SONE/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: short and long range single-mode fiber or
	multimode fiber interfaces, and COAX and UTP for electrical
	interfaces.
Circuit Identifier	Transmission vendor’s circuit identifier, to facilitate
	troubleshooting.

209564-A