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Installation
2.6.2 4 x RS485 via Phoenix
The figure below shows the RS400 when equipped with four RS485 Phoenix ports.
Figure 16: RS400 equipped with four RS485 Phoenix ports
The Phoenix port pin-out is shown below.
Pin
Signal
1
Positive
2
Negative
3
Common (Isolated Ground)
NOTE: On the unit Pin 3 is
marked as Gnd
Figure 17: Phoenix port pin-out
The RS485 serial ports are terminated by default from the factory. Termination provided
is AC Termination style 120 Ohm resistor in series with a 10nF capacitor. The following
table details the appropriate jumper configuration for each RS485 port.
Jumper Position
Port Number
Jumper #
No Termination
AC Termination
1 JP5
Removed
Installed
2 JP6
Removed
Installed
3 JP7
Removed
Installed
4 JP8
Removed
Installed
Table 2.7.2.1 RS485 termination options
20
RuggedCom
®
RuggedServer™
RS400 Family Installation Guide rev109