RDAIRPLAY_CHANNELS Table Layout for Rivendell

The RDAIRPLAY_CHANNELS table holds configuration data for the RDAirPlay
channels assignments and related information.

FIELD NAME           TYPE              REMARKS
------------------------------------------------------------------------------
ID                     int(10) unsigned  * Primary key, Auto Increment
STATION_NAME           varchar(64)       From STATIONS.NAME
INSTANCE               int(10) unsigned  0 = Main Log Output 1
                                         1 = Main Log Output 2
                                         2 = Sound Panel Output 1
                                         3 = Cue Output
                                         4 = Aux Log 1 Output
                                         5 = Aux Log 2 Output
                                         6 = Sound Panel Output 2
                                         7 = Sound Panel Output 3
                                         8 = Sound Panel Output 4
                                         9 = Sound Panel Output 5
CARD                   int(11)
PORT                   int(11)
START_RML              varchar(191)
STOP_RML               varchar(191)
GPIO_TYPE              int unsigned      0 = Edge, 1 = Level
START_GPI_MATRIX       int(11)
START_GPI_LINE         int(11)
START_GPO_MATRIX       int(11)
START_GPO_LINE         int(11)
STOP_GPI_MATRIX        int(11)
STOP_GPI_LINE          int(11)
STOP_GPO_MATRIX        int(11)
STOP_GPO_LINE          int(11)