Frame ground, Signal ground, Td (a) – Patton electronic X.21 Interfaces User Manual
Page 18: Rd (a), Td (b), Rd (b), Scte (a), Rt (a), Scte (b), Rt (b)
Advertising
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
Advertising