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REAR PANEL
MODEM/RS-232 (DB-9M)
Provides connection to an external dial-up modem or RS-232 link for optional AutoPilot® monitoring and
control software.
SENSORS (RJ-25)
This jack is reserved for future one-wire sensors.
ETHERNET (RJ-45)
The Ethernet jack connects the ARC Plus SL to the LAN/WAN for communications with the user as well as
with Plus-X I/O devices.
ALARM
The Form C alarm relay can be used to operate external equipment when an alarm condition exists. The
relay may be configured to latch closed when there is an alarm at the local site or when there is an alarm
at any site in the ARC Plus network. A 3-pin connector block is included with the ARC Plus SL.
FAILSAFE
The Form C failsafe relay can be used to interrupt external equipment upon loss of the ARC Plus network
link. The relay is latched closed when the network link is present.
POWER
Standard IEC power entry module. Connect to 100-240VAC, 47-63 Hz. Replace built-in fuse with same type
and value.