Expansion Module
17-2
Figure 17-2 provides a detailed view of the expansion module front panel.
Pushbuttons
Module
Status
LEDs
Port
LEDs
Expansion
Address
LEDs
PWR
X1
X2
X4
X8
Tx
Rx
CM
EXP
ADDR
MERR
RST
MCOM
MCNF
S1
LNK
Rx
LNK
Rx
E1
E2
Frame Number Selector
Rotary Switch
Exp Eth1 - Ethernet
Expansion Port
STS1- STS Diagnostic Port
1
2
5
3B
9
8 6
C
A
7
4
D
Figure 17-2 ACE3600 Expansion Module – Front Panel
Front Panel
Pushbuttons
The expansion module includes two pushbuttons on the front panel, PB1 and PB2.
These pushbuttons are used for activating and testing the modules LED, restarting the unit, and
activating memory test. See the Pushbutton Functionality section below for information on
pushbutton functionality.
Note: The pushbuttons cannot be monitored by the user application program (when it is
running) for the application purposes. The pushbutton status can be checked using the
Hardware Test utility.
Frame Number Selector Switch
The expansion module includes a (rotary) selector switch which enables the user to determine
the frame number in the expanded RTU. The frame number is used during communication
with the main CPU, with the STS, etc. For instructions on setting the frame number, see
Setting the Frame Number below.
Communication Ports
The expansion module includes two on board communication ports: