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Cable Interface
This printer is equipped with a 9-pin RS-232 connector. The
printer accepts standard RS-232C electrical signal
transmissions when it is connected to a DB-9S connector.
Here are the pin assignments for the connector.
Pin Description
2 Received data
8 Clear to send Input
6 Data set ready
1 Data carrier detect
3 Transmitted data
7 Request to send Output
4 Data terminal ready
Shield Protective ground
5 Signal ground Ground
9N/C
9401/9402 System Administrator’s Guide
7-6