# t1 shutdown

#### Syntax

[ no ] t1 channel [ /subchannel ] shutdown

#### Release Information

Command introduced before JunosE Release 7.1.0.

#### Description

Disables a T1 or fractional T1 channel on a CT3 interface. The no version restarts a disabled interface.

#### 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
- subchannel—FT1 subchannel on a T1 interface, in the range 1–24

#### Mode

Controller Configuration