HP Modular Cooling System - Manual (Page 37)

Management module 37
Connecting an alarm device to the management
module alarm relay
An alarm device can be connected to the management module alarm relay through the RJ-12 connector. You
can enable or disable the alarm relay for specific alarms and warnings through the web interface. 24 V DC
up to 100 mA is available directly from the management module or the alarm relay can switch up to 30 V at
1 A. For more information, see the HP Modular Cooling System 200/100 Web Interface User Guide.
NOTE: The connection to the alarm relays is hard wired. For more information, see connection
description on the management module.
Alarm relay item Specification
Type of alarm relay
Potential-free change-over contact
Maximum current
consumption
100 mA with internal
or
1 A with external power connection
Maximum voltage DC, 24 V internal
or
DC, 30 V with external power connection