# NetworkInterface.T1E1[x].CRCMFMode

Specifies whether or not the board performs CRC signal checking.

#### Syntax

NetworkInterface.T1E1[x].CRCMFMode = mode

x = 0-(n-1) (0-based trunk number or range of trunk numbers where n equals the number of trunks on the board.)

#### Access

Read/Write

#### Type

String

#### Default

C44ON

#### Allowed values

C44ON | C44OFF

#### Example

NetworkInterface.T1E1[0].CRCMFMode = C44OFF

#### See also

NetworkInterface.T1E1[x].D_Channel, NetworkInterface.T1E1[x].FrameType, NetworkInterface.T1E1[x].Impedance, NetworkInterface.T1E1[x].Length, NetworkInterface.T1E1[x].LineCode, NetworkInterface.T1E1[x].SignalingType, NetworkInterface.T1E1[x].Type