### EIA-232D SYNC/570i Cabling

Use these diagrams as a reference when building or purchasing EIA-232 cables. See Tips for Building and Purchasing Cables for cable length and quality concerns.

DB-25 Pin Number | EIA-232 Signal | DB-25 Male Connector
2 | TxD (A)
14 | TxD (B)
3 | RxD (A)
16 | RxD (B)
15 | TxCLKIN (A)
12 | TxCLKIN (B)
17 | RxCLK (A)
9 | RxCLK (B)
4 | RTS
5 | CTS
20 | DTR
6 | DSR
8 | DCD
24 | TxCLKOUT (A)
11 | TxCLKOUT (B)
7 | GND
1 and shell | CGND