Gx6021Open

Gx6021Open (nHandle, nGroup, nRelay, pnStatus)

Name	Type	Comments
nHandle	SHORT	Handle to a GX6021 board.
nGroup	SHORT	Specified group number, group number can be 0 (GX6021_GROUP_FIRST) to 3 (GX6021_GROUP_LAST).
nRelay	SHORT	Specifies the Relay numbers in the group as follow: 0-4: Relays 0 through 4 in the group. 5: Relay connecting two adjacent groups. Groups A to D only. 6: Relay connecting the specified group to the External Coax connector. Group A to P21 and Group D to P22. Apply to Group D (first group) and Group L (last group) only.
pnStatus	PSHORT	Returned status: 0 on success, negative number on failure.

The Gx6021DisconnectGroupToExternalCoax function call can be also used to disconnect the specified group from the External Coax connector.

The Gx6021GetChannel function can be used to retrieve the current channel state.

The following example opens group 2 relay 1:

SHORT nStatus;

Gx6021Open (nHandle, 2, 1, &nStatus);