
A P P E N D I X A
Cable Pin Assignments & Signals
This appendix includes the following information:
■“Pin Assignments” on page 23
■“Interface Signals” on page 27
Pin Assignments
Ashielded,
TABLE A-1 RS-449 Connector Pin Assignments
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Pin No. | Signal Name | Description | ||
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1 | RxD1(A) | 6 | Port 1 Receive Data | |
2 | RxD1(B) | 24 | Port 1 Receive Data | |
3 | DTR1(A) | 12 | Port 1 Data Terminal Ready | |
4 | DTR1(B) | 30 | Port 1 Data Terminal Ready | |
5 | TxD1(A) | 4 | Port 1 Transmit Data | |
6 | TxD1(B) | 22 | Port 1 | Transmit Data |
7 | RTS1(A) | 7 | Port 1 | Request To Send |
8 | RTS1(B) | 25 | Port 1 | Request To Send |
9 | TxC1(A) | 17 | Port 1 | Transmit Clock |
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