User Port Pin Connections
PIN
1,12,A,N
2
10
B,C
M
J
F
H,K
L
E
FUNCTION
Ground
Vcc( + 5)
9VAC
RxD
TxD
/OH
/Rl
DCD,CTS
DSR
DTR
61
SOURCE
from computer
from computer
from computer
from modem
from computer
from computer
from modem
from modem
ground
not connected