IE_TDR_OPEN
#define IE_TDR_OPEN 0x2000 /* detected an open */
#define IE_TDR_OPEN 0x2000 /* detected an open */
#define IE_TDR_OPEN SWAP(0x2000) /* detected an open */
#define IE_TDR_OPEN 0x2000 /* detected an incorrect termination ("open") */