Technical information

Appendix A. Connector Pin Assignments
Serial Port Connector
1
5
69
Figure 5. Serial Port Connector
Note: The external interface for the serial port is a male, 9-pin D-shell connector.
Parallel Port Connector
13
1
25 14
Figure 6. Parallel Port Connector
Note: The external interface for the parallel port is a female, 25-pin D-shell connector.
Table 42. 9-Pin Assignments for the Serial Port Connector
Pin Signal Name I/O Pin Signal Name I/O
1 Data carrier detect I 2 Receive data# I
3 Transmit data# O 4 Data terminal read O
5 Ground NA 6 Data set ready I
7 Request to send O 8 Clear to send I
9 Ring indicator I
Table 43. 25-Pin Assignments for the Parallel Port Connector
Pin Signal Name I/O Pin Signal Name I/O
1 STROBE# I/O 2 D0 I/O
3 D1 I/O 4 D2 I/O
5 D3 I/O 6 D4 I/O
7 D5 I/O 8 D6 I/O
9 D7 I/O 10 ACK# I
11 BUSY I 12 PE I
13 SLCT I 14 AUTO FD XT# O
15 ERROR# I 16 INIT# O
17 SLCT IN# O 18 Ground NA
19 Ground NA 20 Ground NA
21 Ground NA 22 Ground NA
23 Ground NA 24 Ground NA
25 Ground NA
Appendix A. Connector Pin Assignments 35