# Clocking.HBus.NetRefSpeed

Indicates the speed of the NETREF timing signal on the CT bus.

For information about setting up CT bus clocking, and rules and restrictions for configuring CT bus clocking, refer to Configuring board clocking.

#### Syntax

Clocking.HBus.NetRefSpeed = speed

#### Access

Read/Write

#### Type

String

#### Default

8K

#### Allowed values

8K | 1544M | 2048M

#### Example

Clocking.HBus.NetRefSpeed = 8K

#### Details

This keyword should always be set to 8K.

#### See also

Clocking.HBus.NetRefSource