The NetGuardian Expansion unit with integrated hub is the ideal solution for sites with higher alarm point requirements. The unit complements the already powerful NetGuardian and provides 48 discrete alarms per unit with capacity for up to 3 units per NetGuardian (176 alarm point total), an 8-port 10BaseT hub, and 8 additional controls.
The single connection point between the NetGuardian and the Expansion unit makes setup a snap and it mounts easily in a 19" or 23" rack. The Expansion unit's alarm information can be viewed and configured via the NetGuardian's Web Browser or TTY interface.
The reliability, versatility, and capacity of the NetGuardian family of RTUs makes them the standard for network monitoring.
Dimensions:17" Wx 8.625" L x 1.75" H
Weight: 3 lbs. 15 oz. (1.8 kg)
Mounting: 19" or 23" rack
Power Input: -48VDC (-40 to -70VDC),-24VDCor Wide range (-18 to -70VDC)
Current draw: 140mA (dual power feeds standard)
Interfaces: 2 DB9 DCE RS232 port, 1 DB25 port
Hub: Eight 10BaseT ports with Uplink jack
Alarm Point Inputs: 48
Control Outputs (Optional):Relay contacts, 8 each
Form A(N/O, N/C selectable)
Max. Voltage = 60 VDC/120 VAC
Max. Current = 1 Amp, AC/DC
Fuse: 1/4 Amp GMT
Operating Temperature: 0° to 60°C (32° to 140°F)
Extended Opt: -40C° to +70°C (-40° to 158°F)
Operating Humidity: 0% to 95% non-condensing
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An introduction to Monitoring Fundamentals strictly from the perspective of telecom network alarm management.
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