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Configuring WAN Line Services

B-44

308648-14.00 Rev 00

show mct1e1 fdl-att

The

show mct1e1 fdl-att

command displays the Facility Data Link (FDL) error

statistics in ATT-54016 mode.

The output contains the following information:

Slot/Module/Conn Name of the physical interface.

Line Number Line number for this line; assigned during configuration. This line

number uniquely identifies this interface and is not equal to any of

the line numbers assigned to logical lines configured through this

port.

ES Counts Number of Errored Seconds (ES). An ES is any 1-second time

interval with either a frame bit error or a CRC-6 error.

SES Counts Number of Severely Errored Seconds (SES). An SES is any

1-second time interval with an OOF error or more than 320

CRC-errors.

SEFS Counts Number of Severely Errored Framing Seconds (SEFS) that a DS1

interface encountered in the previous 24-hour interval.

UAS Counts Number of Severely Errored Seconds (UAS). A UAS is the number

of seconds between 10 consecutive SES events (inclusive) and 10

consecutive non-SES events (exclusive). For more information,

refer to the 1989 ANSI T1.403 specification (

Carrier-to-Customer

Installation DS1 Metallic Interface

CSS Counts Number of Controlled Slip Seconds (CSS) that a DS1 interface