# t1 fdl string

#### Syntax

t1 channel fdl string { eic eicValue | fic ficValue | lic licValue | unit unitValue |
pfi pfiValue | port portValue | generator generatorValue }

no t1 channel fdl string { eic | fic | lic | unit | pfi | port | generator }

#### Release Information

Command introduced before JunosE Release 7.1.0.

#### Description

Defines an FDL message on a T1 channel on a CT3 interface as defined in the ANSI T1.403 specification. Currently, FDL strings can be configured only locally. The no version restores the default value to the specified FDL message or to all FDL messages.

#### Options

- channel—One or more individual T1 channels, ranges of T1 channels, or combination of individual channels and ranges, in the range 1–28 (no spaces); for example, 3,7-15,19-13,27
- eicValue—Equipment identification code; 1–10 characters; default value is the null value
- ficValue—Frame identification code; 1–10 characters; default value is the null value
- licValue—Line identification code; 1–10 characters; default value is the null value
- unitValue—Unit identification code; 1–6 characters; default value is the null value.
- pfiValue—Facility identification code to send in the FDL path message; 1–38 characters; default value is the null value.
- portValue—Equipment port number to send in the FDL idle signal message; 1–38 characters; default value is the null value.
- generatorValue—Generator number to send in the FDL test signal message; 1–38 characters; default value is the null value.

#### Mode

Controller Configuration