Patton electronic 2500 Series User Manual
Page 20
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(APPENDIX D - Continued)
DB-25 CONNECTOR, TERMINAL INTERFACE
Pin #
Signal
1
Frame Ground
2
TD
3
RD
4
RTS
5
CTS
6
DSR
7
SGND (Signal Ground)
8
CD
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)
APPENDIX E
TRANSMITTER CLOCK SOURCE DURING TEST LOOPS
RC = Received Clock
37
38
Analog
Originating
Receiving
Clock Mode
Normal
Loop
Remote Loop
Remote Loop
Internal
INT
INT
INT
RC
External
EXT
INT
EXT
EXT
Network
RC
INT
RC
RC
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