1a4679a9_RS232_Pinout___DB9_pinout__Signal_Name
[Pin] 1 [Signal] DCD [DTE Signal direction] In [Signal Name] 
Data Carrier Detect
D a t a C a r r i e r D e t e c t
R e c e i v e D a t a
T r a n s m i t D a t a
D a t a T e r m i n a l R e a d y
G r o u n d
D a t a S e t R e a d y
R e q u e s t t o S e n d
C l e a r t o S e n d
R i n g I n d i c a t o r
RS232 Pinout | DB9 pinout
Signal Name