Connector Pin Assignments B-5
Serial Interface Connectors
Pin assignments for the serial interface port connectors are listed in the
following table.
RS-232C Serial Port Connector Pin Assignments
Pin Signal Description
1 DCD Carrier detect
2 Serial In# Receive data
3 Serial Out# Transmit data
4 DTR# Data terminal ready
5 Ground Signal ground
6 DSR Data set ready
7 RTS Request to send
8CTSClear to send
9 RI Ring indicator
Parallel Interface Connector
Parallel interface specifications for this port conform to the IBM-PC interface.
Pin assignments for the parallel interface connector are listed in the following
table.
Parallel Port Connector Pin Assignments
Pin Signal Pin Signal
1 Strobe# 14 Auto feed#
2 Data bit 0 15 Fault#
3 Data bit 1 16 INIT# (Initialize)
4 Data bit 2 17 SLCT IN# (Select in)
5 Data bit 3 18 Ground
6 Data bit 4 19 Ground
7 Data bit 5 20 Ground
8 Data bit 6 21 Ground
9 Data bit 7 22 Ground
10 ACK# (Acknowledge) 23 Ground
11 Busy 24 Ground
12 Error 25 Ground
13 Select
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