Hardware Technical Reference Manual
• The MXe controller can be upgraded with the addition of a second processor, E2T, to
increase capacity.
• Redundancy is available with the addition of a RAID controller, a second hard disk, and a
second AC PSU.
• The MXe base also ships with the equivalent of two quad DSP modules on the main board.
Figure 4: MXe Controller Front View
The controller front panel consists of the following components:
• Six slots for expansion modules (two internal)
•Alarm port
• Two DB-9 ports, both connected to the RTC, for maintenance and printer connection
• Two 10/100/1G BaseT Ethernet LAN ports (RJ-45 connector)
• One 10/100 BaseT Ethernet WAN port (RJ-45 connector) with built-in firewall
The WAN port and firewall is intended to be used either as an access point for performing
remote diagnostics and maintenance (similar to a MODEM) or, if the Firewall function is
disabled, as internal router to transparently route packets between the WAN port and the
controller's LAN ports.
• Four CIM ports
• Remote alarms on/off
• System LEDs - Alarm, Hard Drive, Power/Status
• Status LEDs - Ethernet, CIM, and Alarm
• Reset button.
Note: The WAN port and internal firewall should only be used as a network router in
situations where the amount of internet access is very low. For most installations, the
Administrator should employ a dedicated internet router/firewall.
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