AFX SERIES® OPERATION MANUAL
SECTION 7:
Rear Panel, Connectors and Protection
Entire Contents Copyright
2018 by Pacific Power Source, Inc. (PPS)
• All Rights Reserved • No reproduction without written authorization from PPS.
AFX Series Power Source Operation Manual
Page 169 of 402
7.3.2
DB25 Connector AUX I/O Pin locations
The pin locations for the various I/O signals on the DB25 connectors are shown in Figure 7-2
below. Note that the connector is installed “Upside” down due to mounting constraints.
PIN# 13 12 11 10 9 8 7 6 5 4 3 2 1
PIN# 25 24 23 22 21 20 19 18 17 16 15 14
RS232
DIGITAL I/O
ANALOG I/O
GND
GND
12VDC
Figure 7-2: DB25 Connector AUX I/O Pin Locations
Functional grouping of pins by I/O function is done as shown in the figure above. The left
hand side groups all
Analog I/O
signals on top on bottom row. The middle section is
reserved for all
Digital I/O
pins. The
RS232
Transmit (Tx) and Receive (Rx) signals are located
on the far right.