RS-232 serial interface port (flat connector).
Dry-contact relay connector for interfacing with a third-party, external alarm
system (separate orderable item).
Reset pinhole button for resetting the device or restoring it to factory defaults
(press and hold down the button for at least 12 seconds, but no more than 25
seconds).
Gigabit Ethernet LAN interface ports (RJ-45) for connecting IP phones,
computers, or switches. The ports support 1+1 Ethernet port redundancy
(active-standby), half- and full-duplex modes, auto-negotiation, and straight-
through or crossover cable detection. Each port has a status LED:
Ethernet link established.
Data is being received or transmitted.
The WAN / STATUS LED indicates the following:
Reset button has been pressed.
Under-voltage condition on CRMX module.
Booting up phase (U-boot) of the operating system
kernel has completed successfully.
Note: When the device is ordered with dry-contact relay
interfaces, the LED label is STATUS; otherwise, the label
is WAN (despite no WAN interfaces).
Dry contact relay alarm: No Alarm (Dry Contact I Closed
and II Open).
Dry contact relay alarm: Minor Alarm (Dry Contact I and
II Open).
Major Alarm (Dry Contact I and II Closed).
Critical Alarm (Dry Contact I Open and II Closed).
LAN Extension (SWX) module, providing four additional Gigabit Ethernet LAN port
interfaces.
Note: The SWX module is a separate orderable item.
Secondary Power Supply module, providing load sharing with and power
redundancy in case of failure in primary Power Supply module.
Note: The secondary Power Supply module is a separate orderable item.
Primary Power Supply module with a status LED:
AC power is received by device.
Fan Tray module and a schematic on its front panel showing the chassis' slot
numbers.