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APPENDIX D
INTERFACE PIN ASSIGNMENT
DDS INTERFACE
The DDS Interface is an RJ-48S modular jack.
Pin # Signal
1 TX+
2 TX-
3 no connection
4 no connection
5 no connection
6 no connection
7 RX+
8 RX-
M/34 CONNECTOR, TERMINAL INTERFACE
Pin # Signal
B SGND (Signal Ground)
CRTS
D CTS
E DSR
FCD
H DTR
L LL (Local Loop)
M TM (Test Mode)
N RL (Remote Loop)
PTD
RRD
S TD/
T RD/
U XTC
VRC
W XTC/
X RC/
YTC
AA TC/
(APPENDIX D - Continued)
DB-25 CONNECTOR, TERMINAL INTERFACE
Pin # Signal
1 Frame Ground
2TD
3RD
4RTS
5 CTS
6 DSR
7 SGND (Signal Ground)
8CD
15 TC
17 RC
18 LL (Local Loop)
20 DTR
21 RL (Remote Loop)
24 XTC
25 TM (Test Mode)
CONTROL PORT INTERFACE
8 Position modular connector compliant with EIA-561.
Pin # Signal
4 Signal Ground
5 RD (Output)
6 TD (Input)
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