# t1 yellow

#### Syntax

[ no ] t1 channel yellow { generate | detect }

#### Release Information

Command introduced before JunosE Release 7.1.0.

#### Description

Generates or detects a yellow alarm for a T1 channel on a CT3 interface. The no version restores the default value, to not generate or to not detect a yellow alarm.

#### 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

#### Mode

Controller Configuration