ADTRAN ISU 512 - Manual (Page 110)

Appendix D. Pinouts
94 ISU 512 User Manual 61202.086L1-1
Table D-F
RS-530-to-V.35 Adapter Cable Pinouts
See Figure D-4.
P i n Name I n p u t / O u t p u t D e s c r i p t i o n s
A Shield I / O Shield for cable
B SG I / O Signal Ground
C RTS I Ready to Send
D CTS O Clear to Send
E DSR O Data Set Ready
F CD O Carrier Detect
H DTR I Data Terminal Ready
J * RI O Ring Indicator
P SD-A I Send Data
R RD-A O Receive Data
S SD-B I Send Data (return)
T RD-B O Receive Data (return)
U TC-A I External Transmit Clock
V RC-A O Receive Clock
W TC-B I External Transmit Clock
X RC-B O Receive Clock (return)
Y S T - A O Send Timing
A A ST-B O Send Timing (return)
BB NC N / A No Connection
CC NC N / A No Connection
DD NC N / A No Connection
EE NC N / A No Connection
FF NC N / A No Connection
HH NC N / A No Connection
J J NC N / A No Connection
KK NC N / A No Connection
LL NC N / A No Connection
MM NC N / A No Connection
NN NC N / A No Connection
*Pin J (ring indicator) is needed for most video conferencing applications.