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The NetGuardian 832A does as much as an RTU can ... and then it does a whole lot more.
The NetGuardian's primary function is to mediate contact closures and analog voltages to SNMP traps - but it also serves as a reach-through terminal server, a self-contained all-in-one alarm monitoring system, a 24/7 email and paging system. - and then there's still more functionality ...
| Protocols: SNMP and DCPx |
Discrete Inputs: 32 (expandable to 176)
Alarm Detection Speed: User-defined (3 to 999 msec)
Analog Inputs: 8
Analog Input Range: (-94 to 94 VDC or 4 to 20 mA)
Control Outputs: 8 Form C relay contacts
Maximum Voltage: 60 VDC/120 VAC
Maximum Current:1 Amp, AC/DC
IP Address Ping Targets: 32
Dimensions: 1.75"H x 17"W x 12"D (4.5 cm x 43.2 cm x 30.5 cm)
Weight: 4 lbs. 3 oz. (1.9 kg)
Mounting: 19" or 23" rack
Power Input: -48VDC (-40 to -70 VDC) see options
Current Draw: 200mA
Fuse: 1 Amp GMT
Operating Temperature: 32°-140° F (0°-60° C)
Operating Humidity: 0%-95% noncondensing