Appendix b model 2707, interface pin assignment, Sgnd (signal ground), Rts (request to send) – Patton electronic X.21 Interfaces User Manual
Page 17: Cts (clear to send), Dsr (data set ready), Cd (carrier detect), Dtr (data terminal ready), Llb (local line loop), Tm (test mode), Rdl (remote digital loop)
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APPENDIX B
MODEL 2707, INTERFACE PIN ASSIGNMENT
V.35 Interface
(M/34F Female Connector)
(DCE Configuration)
Pin #
Signal
B
SGND (Signal Ground)
C
RTS (Request to Send)
D
CTS (Clear to Send)
E
DSR (Data Set Ready)
F
CD (Carrier Detect)
H
DTR (Data Terminal Ready)
L
LLB (Local Line Loop)
M
TM (Test Mode)
N
RDL (Remote Digital Loop)
P
TD (Transmit Data)
R
RD (Receive Data)
S
TD/ (Transmit Data-B)
T
RD/ (Receive Data-B)
U
XTC (External Transmit Clock)
V
RC (Receive Timing)
W
XTC/ (External Transmit Clock)
X
RC/ (Receive Timing)
Y
TC (Transmit Clock-A)
AA
TC/ (Transmit Clock-B)