1623dd9d_RS232_RS422_Video_sync_Adapter__Function
[Signal] RX [DB-9 Pin #] 2 [Comment] RS-232 level input [Data Direction] input to computer [Function] 
RECEIVE DATA
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 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 a d y 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
Manual for Antona ANC-6023 RS232/RS422/Video sync Adapter
Function