AFX SERIES® OPERATION MANUAL
SECTION 5: UNPACKING AND INSTALLATION
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 89 of 485
5.18.5.3
“L” Versions
A DB9 serial interface connector is located on the rear panel for “L” version models of the
AFX Series. “A” version models has the serial interface integrated in the Aux I/O DB25
connector instead.
The DB9 connector is also used for the Remote Inhibit input (pins 7 and 9) and Mode Relay
control output (pins 8 and 5) functions. These functions can be used while using the serial
interface at the same time if needed but a special cable will be required to do so.
PIN
Abbreviation
Description
Pin 1
N/C
Not connected
Pin 2
TXD
Transmit Data
Pin 3
RXD
Receive Data
Pin 4
DTR
Data Terminal Ready
Pin 5
COM
Common
Pin 7
RTS
Input – Remote Inhibit
Pin 8
CTS
Output – Mode Relay Control
Pin 9
N/C
+5Vdc internal pull-up for Remote Inhibit
Table 5-6: Standard RS232 DB9 Pin Assignments
If only the RS232 interface function is used, a regular straight through DB9 to DB9 cable can
be used to connect to a PC serial port.
Summary of Contents for AFX Series
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