Table 1-3: rear panel legend, Preliminary – ADLINK PXES-2780 User Manual
Page 20
 
10
Introduction
Table 1-3: Rear Panel Legend
C
Remote Monitoring 
Connector
The D-sub9 connector acts as a remote 
monitoring connector, when connected to a 
remote computer 
using a standard D-sub9 cable, with pin 
assignments shown in Figure 1-7
Note: The remote monitor port is Rx-Tx/Tx-Rx 
crossed, such that a RS-232 cable with Rx-Rx/
Tx-Tx connection must be used
D
Inhibit/Voltage 
Monitoring DB-9 
Connector
The DB-9 connector monitors the four main 
voltage rails via digital multimeter
X
voltage rail pin assignments 
shown in Figure 1-7
X
10 kΩ current limiting resistors on 
each voltage rail prevent acciden-
tal overload
X
one Inhibit (active low) pin is pro-
vided to power the chassis on/off 
when the Inhibit Switch is in the 
MAN (manual) position, such that 
chassis is powered on when 
Inhibit pin is logic high or open, 
and off when Inhibit pin is 
grounded
E
Inhibit Switch
In the DEF (default) position, the front panel 
power button turns the power supply on/off, and 
in the MAN (manual) position, the INHIBIT pin 
on the DB-9 connector turns the power supply 
on/off
F
Fan Switch
In the HIGH position, fans operate at maximum 
speed, and in AUTO, the fans run based on the 
monitored chassis temperature
G
Universal Power Inlet Accepts C19 power outlet-equipped connection
H
Chassis Ground Lug
The ground wire can be crimped to the ground
lug, using a crimp tool of the appropriate size, 
with the other end connected to ground
Feature
Details
PRELIMINARY