STAR MICRONICS RECOMMENDED SERIAL (RS-232C) PRINTER CABLE WIRING FOR STAR MICRONICS RECEIPT PRINTERS CONNECTED TO PERSONAL COMPUTERS

Models DP8340FM & DP8340RM

Printer Computer

RJ45 Male > DB9 Female

Pin 3 > Pin 2

Pin 4 > Pin 3

Pin 5 > Pin 6

Pin 6 > Pin 1

Pin 7 > Pin 5

Pin 8 > Pin 8

Models SP312FD/SP342FD SP200FD/SP216FD SP349FD TSP412/TSP442

Printer Computer

DB25 Male DB25 Female

Pin 1* > Pin 1

Pin 2 TXD > Pin 3 RXD

Pin 3 RXD > Pin 2 TXD

Pin 4 RTS > Pin 6 DSR

Pin 14 Fault > Pin 8 DCD

Pin 7 Sig Grnd > Pin 7 (Sig Grnd)

Pin 20 DTR > Pin 5 CTS

* Pin 1 is printer frame ground and cable shield connection

Models SP312FD/SP342FD SP200FD/SP216FD SP349FD TSP412/TSP442

Printer Computer

DB25 Male DB9 Female

Pin 1* > Cable shield

Pin 2 TXD > Pin 2 RXD

Pin 3 RXD > Pin 3 TXD

Pin 4 RTS > Pin 6 DSR

Pin 14 Fault > Pin 1 DCD

Pin 7 Sig Grnd > Pin 5 (Sig Grnd)

Pin 20 DTR > Pin 8 CTS

* Pin 1 is printer frame ground and cable shield (cable shield is left floating at PC end)

Models TSP212FD/C-120, SERIAL PORT

Printer Computer

DB9 Male DB9 Female

* Pin 1 DCD

Pin 2 RXD > Pin 3 TXD

Pin 3 TXD > Pin 2 RXD

Pin 4 DTR > Pin 8 CTS

Pin 5 GROUND > Pin 5 GROUND

Pin 7 RTS > * Pin 6 DSR

Pin 20 DTR > Pin 8 CTS

* Pin 1 DCD is jumpered to Pin 6 DSR on the computer end of the cable

Models TSP212FD/C-120, SERIAL PORT

Printer Computer

DB9 Male DB25 Female

Pin 2 RXD > Pin 2 TXD

Pin 3 TXD > Pin 3 RXD

Pin 4 DTR > Pin 5 CTS

Pin 5 GROUND > Pin 7 GROUND

Pin 7 RTS > * Pin 6 DSR

* Pin 8 DCD

* Pin 6 DSR is jumpered to Pin 8 DCD on the computer end of the cable