User`s manual

123
Appendices
Signal Input/Output
External
device
[ 3 ] Interface Specifications
25
13
14
1
RS-232C Interface Port (Dsub-25S) on the CU-5000
BHT-5000
Pin No. Signal Functions
Pins 1 (FG), 6 (DR), and 8 (CD) are not connected.
2SDSend data →
3RDReceive data ←
4RSRequest to send →
5CSReady to send ←
7SGSignal ground —
20 ER Data terminal equipment ready →