Patton electronic 2500 Series user manual Appendix D, DB-25 CONNECTOR, Terminal Interface

(APPENDIX D - Continued)

DB-25 CONNECTOR, TERMINAL INTERFACE

Pin # Signal

1Frame Ground

2TD

3RD

4RTS

5CTS

6DSR

7SGND (Signal Ground)

8CD

15 TC

17RC

18LL (Local Loop)

20DTR

21RL (Remote Loop)

24XTC

25TM (Test Mode)

CONTROL PORT INTERFACE

8 Position modular connector compliant with EIA-561.

Pin # Signal

4Signal Ground

5RD (Output)

6TD (Input)

APPENDIX E

TRANSMITTER CLOCK SOURCE DURING TEST LOOPS

		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

RC = Received Clock

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