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Last updated: November 26, 1999


Pin Assignments
CPU Serial Ports

Sun-4/60/65/75 Serial Ports A and B
SS5 Serial Ports A and B
SS1000 and SC2000 Serial Ports A and B
A11, A12, and A14 Ports A and B
E3x00/4x00/5x00/6x00 Serial Ports A and B
A21 and A22 Serial Port A
RS-232/RS-423
25-Pin Female D-Sub
PIN SIGNAL PIN SIGNAL
2 TD 8 DCD
3 RD 15 TC
4 RTS 17 RC
5 CTS 20 DTR
6 DSR 24 TCO
7 GND


Sun-4/15/30, SS10, SS20, A20,
A25, A26, and A27
Adapter 530-1869 Serial Port A
25-Pin Female D-Sub
PIN SIGNAL PIN SIGNAL
2 TD 8 DCD
3 RD 15 TC
4 RTS 17 RC
5 CTS 20 DTR
6 DSR 24 TCO
7 GND


Sun-4/15/30, SS10, SS20*, A20,
A25, A26, and A27
Adapter 530-1869 Serial Port B
25-Pin Female D-Sub
PIN SIGNAL PIN SIGNAL
2 TD 8 DCD
3 RD 15 TC
4 RTS 20 DTR
5 CTS 24 TCO
7 GND

Port B is asynchronous only.
*   A jumper setting change and an
adapter cable is required to use the
SS20 Port B in synchronous mode.
Pin-9 is dsr and Pin-10 is rtxc.


Netra t1 Model 100/105 Serial Port
8-Pin RJ45
PIN SIGNAL PIN SIGNAL
1 RTS 5 GND
2 DTR 6 RXD
3 TXD 7 DSR
4 GND 8 CTS


JavaStation JJ and JK Serial Port A
Ultra 5 and Ultra 10 Serial Port B
RS-232/RS-423 9-Pin Male D-Sub
PIN SIGNAL PIN SIGNAL
1 DCD 5 GND
2 RD 6 DSR
3 TD 7 RTS
4 DTR 8 CTS
9 RI



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