Patton electronic X.21 Interfaces - Manual (Page 18)

17
APPENDIX B - Continued
V.35 TO V.35 (STRAIGHT-
THROUGH CABLE) PIN
OUT
V.35 TO V.35 (CROSS OVER
CABLE) PIN OUT
PIN Function PIN Function PIN
A Frame Ground A Frame Ground A
B Signal Ground B Signal Ground B
C RTS C DCD F
D NC D NC D
E DSR E DTR H
F DCD F RTS C
H DTR H DSR E
K NC K NC K
L NC L NC L
P TD (A) P RD (A) R
R RD (A) R TD (A) P
S TD (B) S RD (B) T
T RD (B) T TD (B) S
U SCTE (A) U RT (A) V
V RT (A) V SCTE (A) U
W SCTE (B) W RT (B) X
X RT (B) X SCTE (B) W
Y NC Y NC Y
AA NC AA NC AA